custom annotations support

Signed-off-by: CrazyMax <1951866+crazy-max@users.noreply.github.com>

.github/workflows/ci.yml

@@ -165,7 +165,7 @@ jobs:
             name=ghcr.io/name/app,enable=${{ github.event_name == 'pull_request' }}
             name=ghcr.io/name/release,enable=${{ startsWith(github.ref, 'refs/tags/') }}
 
-  labels:
+  custom-labels-annotations:
     runs-on: ubuntu-latest
     steps:
       -
@@ -183,6 +183,11 @@ jobs:
             org.opencontainers.image.title=MyCustomTitle
             org.opencontainers.image.description=this is a "good" example
             org.opencontainers.image.vendor=MyCompany
+          annotations: |
+            maintainer=Foo
+            org.opencontainers.image.title=MyFooTitle
+            org.opencontainers.image.description=this is a "foo" example
+            org.opencontainers.image.vendor=MyFooCompany
 
   global-exps:
     runs-on: ubuntu-latest
@@ -372,6 +377,8 @@ jobs:
             ghcr.io/name/app
           labels: |
             maintainer=CrazyMax
+          annotations: |
+            maintainer=Foo
       -
         name: Build
         uses: docker/build-push-action@v5
@@ -382,6 +389,7 @@ jobs:
             DOCKER_METADATA_OUTPUT_VERSION
             DOCKER_METADATA_OUTPUT_TAGS
             DOCKER_METADATA_OUTPUT_LABELS
+            DOCKER_METADATA_OUTPUT_ANNOTATIONS
             DOCKER_METADATA_OUTPUT_JSON
 
   bake-annotations:

README.md

@@ -47,7 +47,7 @@ ___
     * [`{{date '<format>' tz='<timezone>'}}`](#date-format-tztimezone)
   * [Major version zero](#major-version-zero)
   * [JSON output object](#json-output-object)
-  * [Overwrite labels](#overwrite-labels)
+  * [Overwrite labels and annotations](#overwrite-labels-and-annotations)
   * [Annotations](#annotations)
 * [Contributing](#contributing)
 
@@ -294,14 +294,16 @@ The following inputs can be used as `step.with` keys:
 > ```
 
 | Name              | Type   | Description                                                                  |
-|---------------|--------|-------------------------------------------------------------------------------|
+|-------------------|--------|------------------------------------------------------------------------------|
 | `context`         | String | Where to get context data. Allowed options are: `workflow` (default), `git`. |
 | `images`          | List   | List of Docker images to use as base name for tags                           |
 | `tags`            | List   | List of [tags](#tags-input) as key-value pair attributes                     |
 | `flavor`          | List   | [Flavor](#flavor-input) to apply                                             |
 | `labels`          | List   | List of custom labels                                                        |
+| `annotations`     | List   | List of custom anntoations                                                   |
 | `sep-tags`        | String | Separator to use for tags output (default `\n`)                              |
 | `sep-labels`      | String | Separator to use for labels output (default `\n`)                            |
+| `sep-annotations` | String | Separator to use for annotations output (default `\n`)                       |
 | `bake-target`     | String | Bake target name (default `docker-metadata-action`)                          |
 
 ### outputs
@@ -893,10 +895,11 @@ that you can reuse them further in your workflow using the [`fromJSON` function]
             REVISION=${{ fromJSON(steps.meta.outputs.json).labels['org.opencontainers.image.revision'] }}
 ```
 
-### Overwrite labels
+### Overwrite labels and annotations
 
 If some [OCI Image Format Specification](https://github.com/opencontainers/image-spec/blob/master/annotations.md)
-labels generated are not suitable, you can overwrite them like this:
+generated are not suitable as labels/annotations, you can overwrite them like
+this:
 
 ```yaml
       -

__tests__/context.test.ts

@@ -39,8 +39,10 @@ describe('getInputs', () => {
         githubToken: '',
         images: ['moby/buildkit', 'ghcr.io/moby/mbuildkit'],
         labels: [],
+        annotations: [],
         sepLabels: '\n',
         sepTags: '\n',
+        sepAnnotations: '\n',
         tags: [],
       } as Inputs
     ],
@@ -51,6 +53,7 @@ describe('getInputs', () => {
         ['images', 'moby/buildkit'],
         ['sep-labels', ','],
         ['sep-tags', ','],
+        ['sep-annotations', ',']
       ]),
       {
         context: ContextSource.workflow,
@@ -59,8 +62,10 @@ describe('getInputs', () => {
         githubToken: '',
         images: ['moby/buildkit'],
         labels: [],
+        annotations: [],
         sepLabels: ',',
         sepTags: ',',
+        sepAnnotations: ',',
         tags: [],
       } as Inputs
     ],
@@ -76,8 +81,10 @@ describe('getInputs', () => {
         githubToken: '',
         images: ['moby/buildkit', 'ghcr.io/moby/mbuildkit'],
         labels: [],
+        annotations: [],
         sepLabels: '\n',
         sepTags: '\n',
+        sepAnnotations: '\n',
         tags: [],
       } as Inputs
     ],

__tests__/meta.test.ts

@@ -49,7 +49,7 @@ describe('isRawStatement', () => {
   });
 });
 
-const tagsLabelsTest = async (name: string, envFile: string, inputs: Inputs, exVersion: Version, exTags: Array<string>, exLabels: Array<string>) => {
+const tagsLabelsTest = async (name: string, envFile: string, inputs: Inputs, exVersion: Version, exTags: Array<string>, exLabels: Array<string>, exAnnotations: Array<string> | undefined) => {
   process.env = dotenv.parse(fs.readFileSync(path.join(__dirname, 'fixtures', envFile)));
   const toolkit = new Toolkit();
   const repo = await toolkit.github.repoData();
@@ -63,6 +63,9 @@ const tagsLabelsTest = async (name: string, envFile: string, inputs: Inputs, exV
 
   const labels = meta.getLabels();
   expect(labels).toEqual(exLabels);
+
+  const annotations = meta.getAnnotations();
+  expect(annotations).toEqual(exAnnotations ?? exLabels);
 };
 
 describe('null', () => {
@@ -90,7 +93,8 @@ describe('null', () => {
         "org.opencontainers.image.title=Hello-World",
         "org.opencontainers.image.url=https://github.com/octocat/Hello-World",
         "org.opencontainers.image.version="
-      ]
+      ],
+      undefined
     ],
     [
       'null02',
@@ -117,7 +121,8 @@ describe('null', () => {
         "org.opencontainers.image.title=Hello-World",
         "org.opencontainers.image.url=https://github.com/octocat/Hello-World",
         "org.opencontainers.image.version="
-      ]
+      ],
+      undefined
     ],
   ])('given %p with %p event', tagsLabelsTest);
 });
@@ -149,7 +154,8 @@ describe('push', () => {
         "org.opencontainers.image.title=Hello-World",
         "org.opencontainers.image.url=https://github.com/octocat/Hello-World",
         "org.opencontainers.image.version=dev"
-      ]
+      ],
+      undefined
     ],
     [
       'push02',
@@ -177,7 +183,8 @@ describe('push', () => {
         "org.opencontainers.image.title=Hello-World",
         "org.opencontainers.image.url=https://github.com/octocat/Hello-World",
         "org.opencontainers.image.version=edge"
-      ]
+      ],
+      undefined
     ],
     [
       'push03',
@@ -202,7 +209,8 @@ describe('push', () => {
         "org.opencontainers.image.title=Hello-World",
         "org.opencontainers.image.url=https://github.com/octocat/Hello-World",
         "org.opencontainers.image.version=master"
-      ]
+      ],
+      undefined
     ],
     [
       'push04',
@@ -230,7 +238,8 @@ describe('push', () => {
         "org.opencontainers.image.title=Hello-World",
         "org.opencontainers.image.url=https://github.com/octocat/Hello-World",
         "org.opencontainers.image.version=edge"
-      ]
+      ],
+      undefined
     ],
     [
       'push05',
@@ -256,7 +265,8 @@ describe('push', () => {
         "org.opencontainers.image.title=Hello-World",
         "org.opencontainers.image.url=https://github.com/octocat/Hello-World",
         "org.opencontainers.image.version=dev"
-      ]
+      ],
+      undefined
     ],
     [
       'push06',
@@ -285,7 +295,8 @@ describe('push', () => {
         "org.opencontainers.image.title=Hello-World",
         "org.opencontainers.image.url=https://github.com/octocat/Hello-World",
         "org.opencontainers.image.version=edge"
-      ]
+      ],
+      undefined
     ],
     [
       'push07',
@@ -317,7 +328,8 @@ describe('push', () => {
         "org.opencontainers.image.title=Hello-World",
         "org.opencontainers.image.url=https://github.com/octocat/Hello-World",
         "org.opencontainers.image.version=dev"
-      ]
+      ],
+      undefined
     ],
     [
       'push08',
@@ -349,7 +361,8 @@ describe('push', () => {
         "org.opencontainers.image.title=Hello-World",
         "org.opencontainers.image.url=https://github.com/octocat/Hello-World",
         "org.opencontainers.image.version=edge"
-      ]
+      ],
+      undefined
     ],
     [
       'push09',
@@ -381,7 +394,8 @@ describe('push', () => {
         "org.opencontainers.image.title=Hello-World",
         "org.opencontainers.image.url=https://github.com/octocat/Hello-World",
         "org.opencontainers.image.version=edge"
-      ]
+      ],
+      undefined
     ],
     [
       'push10',
@@ -411,7 +425,8 @@ describe('push', () => {
         "org.opencontainers.image.title=Hello-World",
         "org.opencontainers.image.url=https://github.com/octocat/Hello-World",
         "org.opencontainers.image.version=sha-2665741"
-      ]
+      ],
+      undefined
     ],
     [
       'push11',
@@ -441,7 +456,8 @@ describe('push', () => {
         "org.opencontainers.image.title=Hello-World",
         "org.opencontainers.image.url=https://github.com/octocat/Hello-World",
         "org.opencontainers.image.version=sha-983315b"
-      ]
+      ],
+      undefined
     ],
     [
       'push12',
@@ -469,7 +485,8 @@ describe('push', () => {
         "org.opencontainers.image.title=Hello-World",
         "org.opencontainers.image.url=https://github.com/octocat/Hello-World",
         "org.opencontainers.image.version="
-      ]
+      ],
+      undefined
     ],
     [
       'push13',
@@ -499,7 +516,8 @@ describe('push', () => {
         "org.opencontainers.image.title=Hello-World",
         "org.opencontainers.image.url=https://github.com/octocat/Hello-World",
         "org.opencontainers.image.version=master"
-      ]
+      ],
+      undefined
     ],
     [
       'push14',
@@ -531,7 +549,8 @@ describe('push', () => {
         "org.opencontainers.image.title=Hello-World",
         "org.opencontainers.image.url=https://github.com/octocat/Hello-World",
         "org.opencontainers.image.version=1.2.3"
-      ]
+      ],
+      undefined
     ],
     [
       'push15',
@@ -562,7 +581,8 @@ describe('push', () => {
         "org.opencontainers.image.title=Hello-World",
         "org.opencontainers.image.url=https://github.com/octocat/Hello-World",
         "org.opencontainers.image.version=1.2.3"
-      ]
+      ],
+      undefined
     ],
     [
       'push16',
@@ -591,7 +611,8 @@ describe('push', () => {
         "org.opencontainers.image.title=Hello-World",
         "org.opencontainers.image.url=https://github.com/octocat/Hello-World",
         "org.opencontainers.image.version=edge"
-      ]
+      ],
+      undefined
     ],
     [
       'push17',
@@ -635,7 +656,8 @@ describe('push', () => {
         "org.opencontainers.image.title=Hello-World",
         "org.opencontainers.image.url=https://github.com/octocat/Hello-World",
         "org.opencontainers.image.version=mytag-master"
-      ]
+      ],
+      undefined
     ],
     [
       'push18',
@@ -667,7 +689,8 @@ describe('push', () => {
         "org.opencontainers.image.title=Hello-World",
         "org.opencontainers.image.url=https://github.com/octocat/Hello-World",
         "org.opencontainers.image.version=dev"
-      ]
+      ],
+      undefined
     ],
     [
       'push19',
@@ -699,7 +722,8 @@ describe('push', () => {
         "org.opencontainers.image.title=Hello-World",
         "org.opencontainers.image.url=https://github.com/octocat/Hello-World",
         "org.opencontainers.image.version=sha-860c1904a1ce19322e91ac35af1ab07466440c37"
-      ]
+      ],
+      undefined
     ],
     [
       'push20',
@@ -732,7 +756,8 @@ describe('push', () => {
         "org.opencontainers.image.title=Hello-World",
         "org.opencontainers.image.url=https://github.com/octocat/Hello-World",
         "org.opencontainers.image.version=sha-860c1904a1ce19322e91ac35af1ab07466440c37"
-      ]
+      ],
+      undefined
     ],
     [
       'push21',
@@ -776,7 +801,8 @@ describe('push', () => {
         "org.opencontainers.image.title=Hello-World",
         "org.opencontainers.image.url=https://github.com/octocat/Hello-World",
         "org.opencontainers.image.version=mytag-master"
-      ]
+      ],
+      undefined
     ]
   ])('given %p with %p event', tagsLabelsTest);
 });
@@ -809,7 +835,8 @@ describe('tag', () => {
         "org.opencontainers.image.title=Hello-World",
         "org.opencontainers.image.url=https://github.com/octocat/Hello-World",
         "org.opencontainers.image.version=release1"
-      ]
+      ],
+      undefined
     ],
     [
       'tag02',
@@ -835,7 +862,8 @@ describe('tag', () => {
         "org.opencontainers.image.title=Hello-World",
         "org.opencontainers.image.url=https://github.com/octocat/Hello-World",
         "org.opencontainers.image.version=20200110-RC2"
-      ]
+      ],
+      undefined
     ],
     [
       'tag03',
@@ -866,7 +894,8 @@ describe('tag', () => {
         "org.opencontainers.image.title=Hello-World",
         "org.opencontainers.image.url=https://github.com/octocat/Hello-World",
         "org.opencontainers.image.version=20200110"
-      ]
+      ],
+      undefined
     ],
     [
       'tag04',
@@ -897,7 +926,8 @@ describe('tag', () => {
         "org.opencontainers.image.title=Hello-World",
         "org.opencontainers.image.url=https://github.com/octocat/Hello-World",
         "org.opencontainers.image.version=20200110"
-      ]
+      ],
+      undefined
     ],
     [
       'tag05',
@@ -928,7 +958,8 @@ describe('tag', () => {
         "org.opencontainers.image.title=Hello-World",
         "org.opencontainers.image.url=https://github.com/octocat/Hello-World",
         "org.opencontainers.image.version=1.1.1"
-      ]
+      ],
+      undefined
     ],
     [
       'tag06',
@@ -959,7 +990,8 @@ describe('tag', () => {
         "org.opencontainers.image.title=Hello-World",
         "org.opencontainers.image.url=https://github.com/octocat/Hello-World",
         "org.opencontainers.image.version=1.1.1"
-      ]
+      ],
+      undefined
     ],
     [
       'tag07',
@@ -990,7 +1022,8 @@ describe('tag', () => {
         "org.opencontainers.image.title=Hello-World",
         "org.opencontainers.image.url=https://github.com/octocat/Hello-World",
         "org.opencontainers.image.version=2.0.8-beta.67"
-      ]
+      ],
+      undefined
     ],
     [
       'tag08',
@@ -1021,7 +1054,8 @@ describe('tag', () => {
         "org.opencontainers.image.title=Hello-World",
         "org.opencontainers.image.url=https://github.com/octocat/Hello-World",
         "org.opencontainers.image.version=2.0"
-      ]
+      ],
+      undefined
     ],
     [
       'tag09',
@@ -1055,7 +1089,8 @@ describe('tag', () => {
         "org.opencontainers.image.title=Hello-World",
         "org.opencontainers.image.url=https://github.com/octocat/Hello-World",
         "org.opencontainers.image.version=2.0.8"
-      ]
+      ],
+      undefined
     ],
     [
       'tag10',
@@ -1081,7 +1116,8 @@ describe('tag', () => {
         "org.opencontainers.image.title=Hello-World",
         "org.opencontainers.image.url=https://github.com/octocat/Hello-World",
         "org.opencontainers.image.version="
-      ]
+      ],
+      undefined
     ],
     [
       'tag11',
@@ -1118,7 +1154,8 @@ describe('tag', () => {
         "org.opencontainers.image.title=Hello-World",
         "org.opencontainers.image.url=https://github.com/octocat/Hello-World",
         "org.opencontainers.image.version=1.1.1"
-      ]
+      ],
+      undefined
     ],
     [
       'tag12',
@@ -1150,7 +1187,8 @@ describe('tag', () => {
         "org.opencontainers.image.title=Hello-World",
         "org.opencontainers.image.url=https://github.com/octocat/Hello-World",
         "org.opencontainers.image.version=1.1.1"
-      ]
+      ],
+      undefined
     ],
     [
       'tag13',
@@ -1180,7 +1218,8 @@ describe('tag', () => {
         "org.opencontainers.image.title=Hello-World",
         "org.opencontainers.image.url=https://github.com/octocat/Hello-World",
         "org.opencontainers.image.version=2.0.8-beta.67"
-      ]
+      ],
+      undefined
     ],
     [
       'tag14',
@@ -1214,7 +1253,8 @@ describe('tag', () => {
         "org.opencontainers.image.title=Hello-World",
         "org.opencontainers.image.url=https://github.com/octocat/Hello-World",
         "org.opencontainers.image.version=sometag"
-      ]
+      ],
+      undefined
     ],
     [
       'tag15',
@@ -1249,7 +1289,8 @@ describe('tag', () => {
         "org.opencontainers.image.title=Hello-World",
         "org.opencontainers.image.url=https://github.com/octocat/Hello-World",
         "org.opencontainers.image.version=foo"
-      ]
+      ],
+      undefined
     ],
     [
       'tag16',
@@ -1282,7 +1323,8 @@ describe('tag', () => {
         "org.opencontainers.image.title=Hello-World",
         "org.opencontainers.image.url=https://github.com/octocat/Hello-World",
         "org.opencontainers.image.version=foo"
-      ]
+      ],
+      undefined
     ],
     [
       'tag17',
@@ -1321,7 +1363,8 @@ describe('tag', () => {
         "org.opencontainers.image.title=Hello-World",
         "org.opencontainers.image.url=https://github.com/octocat/Hello-World",
         "org.opencontainers.image.version=1.0.0"
-      ]
+      ],
+      undefined
     ],
     [
       'tag18',
@@ -1360,7 +1403,8 @@ describe('tag', () => {
         "org.opencontainers.image.title=Hello-World",
         "org.opencontainers.image.url=https://github.com/octocat/Hello-World",
         "org.opencontainers.image.version=1.0.0"
-      ]
+      ],
+      undefined
     ],
     [
       'tag19',
@@ -1401,7 +1445,8 @@ describe('tag', () => {
         "org.opencontainers.image.title=Hello-World",
         "org.opencontainers.image.url=https://github.com/octocat/Hello-World",
         "org.opencontainers.image.version=1.0.0-dev"
-      ]
+      ],
+      undefined
     ],
     [
       'tag20',
@@ -1436,7 +1481,8 @@ describe('tag', () => {
         "org.opencontainers.image.title=Hello-World",
         "org.opencontainers.image.url=https://github.com/octocat/Hello-World",
         "org.opencontainers.image.version=v1.1.1-860c190-foo"
-      ]
+      ],
+      undefined
     ],
     [
       'tag21',
@@ -1471,7 +1517,8 @@ describe('tag', () => {
         "org.opencontainers.image.title=Hello-World",
         "org.opencontainers.image.url=https://github.com/octocat/Hello-World",
         "org.opencontainers.image.version=1.1.1-dev"
-      ]
+      ],
+      undefined
     ],
     [
       'tag22',
@@ -1507,7 +1554,8 @@ describe('tag', () => {
         "org.opencontainers.image.title=Hello-World",
         "org.opencontainers.image.url=https://github.com/octocat/Hello-World",
         "org.opencontainers.image.version=foo-1.1.1-dev"
-      ]
+      ],
+      undefined
     ],
     [
       'tag23',
@@ -1538,7 +1586,8 @@ describe('tag', () => {
         "org.opencontainers.image.title=Hello-World",
         "org.opencontainers.image.url=https://github.com/octocat/Hello-World",
         "org.opencontainers.image.version=v1.1.1"
-      ]
+      ],
+      undefined
     ],
     [
       'tag24',
@@ -1568,7 +1617,8 @@ describe('tag', () => {
         "org.opencontainers.image.title=Hello-World",
         "org.opencontainers.image.url=https://github.com/octocat/Hello-World",
         "org.opencontainers.image.version=1.2"
-      ]
+      ],
+      undefined
     ],
     [
       'tag25',
@@ -1598,7 +1648,8 @@ describe('tag', () => {
         "org.opencontainers.image.title=Hello-World",
         "org.opencontainers.image.url=https://github.com/octocat/Hello-World",
         "org.opencontainers.image.version=1.1b2"
-      ]
+      ],
+      undefined
     ],
     [
       'tag26',
@@ -1628,7 +1679,8 @@ describe('tag', () => {
         "org.opencontainers.image.title=Hello-World",
         "org.opencontainers.image.url=https://github.com/octocat/Hello-World",
         "org.opencontainers.image.version=1.0.dev4"
-      ]
+      ],
+      undefined
     ],
     [
       'tag27',
@@ -1660,7 +1712,8 @@ describe('tag', () => {
         "org.opencontainers.image.title=Hello-World",
         "org.opencontainers.image.url=https://github.com/octocat/Hello-World",
         "org.opencontainers.image.version=1.2.3rc2"
-      ]
+      ],
+      undefined
     ],
     [
       'tag28',
@@ -1697,7 +1750,8 @@ describe('tag', () => {
         "org.opencontainers.image.title=Hello-World",
         "org.opencontainers.image.url=https://github.com/octocat/Hello-World",
         "org.opencontainers.image.version=1.1.1"
-      ]
+      ],
+      undefined
     ],
     [
       'tag29',
@@ -1727,7 +1781,8 @@ describe('tag', () => {
         "org.opencontainers.image.title=Hello-World",
         "org.opencontainers.image.url=https://github.com/octocat/Hello-World",
         "org.opencontainers.image.version=1.2.post1"
-      ]
+      ],
+      undefined
     ],
     [
       'tag30',
@@ -1761,7 +1816,8 @@ describe('tag', () => {
         "org.opencontainers.image.title=Hello-World",
         "org.opencontainers.image.url=https://github.com/octocat/Hello-World",
         "org.opencontainers.image.version=sometag"
-      ]
+      ],
+      undefined
     ],
     [
       'tag31',
@@ -1790,7 +1846,8 @@ describe('tag', () => {
         "org.opencontainers.image.title=Hello-World",
         "org.opencontainers.image.url=https://github.com/octocat/Hello-World",
         "org.opencontainers.image.version=v2.0.8-beta.67"
-      ]
+      ],
+      undefined
     ],
     [
       'tag32',
@@ -1822,7 +1879,8 @@ describe('tag', () => {
         "org.opencontainers.image.title=Hello-World",
         "org.opencontainers.image.url=https://github.com/octocat/Hello-World",
         "org.opencontainers.image.version=v1.2.3rc2"
-      ]
+      ],
+      undefined
     ],
     [
       'tag33',
@@ -1859,7 +1917,8 @@ describe('tag', () => {
         "org.opencontainers.image.title=Hello-World",
         "org.opencontainers.image.url=https://github.com/octocat/Hello-World",
         "org.opencontainers.image.version=1.1.1"
-      ]
+      ],
+      undefined
     ]
   ])('given %p with %p event', tagsLabelsTest);
 });
@@ -1895,7 +1954,8 @@ describe('latest', () => {
         "org.opencontainers.image.title=Hello-World",
         "org.opencontainers.image.url=https://github.com/octocat/Hello-World",
         "org.opencontainers.image.version=release1"
-      ]
+      ],
+      undefined
     ],
     [
       'latest02',
@@ -1924,7 +1984,8 @@ describe('latest', () => {
         "org.opencontainers.image.title=Hello-World",
         "org.opencontainers.image.url=https://github.com/octocat/Hello-World",
         "org.opencontainers.image.version=20200110-RC2"
-      ]
+      ],
+      undefined
     ],
     [
       'latest03',
@@ -1953,7 +2014,8 @@ describe('latest', () => {
         "org.opencontainers.image.title=Hello-World",
         "org.opencontainers.image.url=https://github.com/octocat/Hello-World",
         "org.opencontainers.image.version=20200110"
-      ]
+      ],
+      undefined
     ],
     [
       'latest04',
@@ -1982,7 +2044,8 @@ describe('latest', () => {
         "org.opencontainers.image.title=Hello-World",
         "org.opencontainers.image.url=https://github.com/octocat/Hello-World",
         "org.opencontainers.image.version=1.1.1"
-      ]
+      ],
+      undefined
     ],
     [
       'latest05',
@@ -2010,7 +2073,8 @@ describe('latest', () => {
         "org.opencontainers.image.title=Hello-World",
         "org.opencontainers.image.url=https://github.com/octocat/Hello-World",
         "org.opencontainers.image.version=v1.1.1"
-      ]
+      ],
+      undefined
     ],
     [
       'latest06',
@@ -2041,7 +2105,8 @@ describe('latest', () => {
         "org.opencontainers.image.title=Hello-World",
         "org.opencontainers.image.url=https://github.com/octocat/Hello-World",
         "org.opencontainers.image.version=2.0.8"
-      ]
+      ],
+      undefined
     ],
     [
       'latest07',
@@ -2073,7 +2138,8 @@ describe('latest', () => {
         "org.opencontainers.image.title=Hello-World",
         "org.opencontainers.image.url=https://github.com/octocat/Hello-World",
         "org.opencontainers.image.version=v1.1.1"
-      ]
+      ],
+      undefined
     ],
     [
       'latest08',
@@ -2105,7 +2171,8 @@ describe('latest', () => {
         "org.opencontainers.image.title=Hello-World",
         "org.opencontainers.image.url=https://github.com/octocat/Hello-World",
         "org.opencontainers.image.version=v1.1.1"
-      ]
+      ],
+      undefined
     ],
     [
       'latest09',
@@ -2123,6 +2190,12 @@ describe('latest', () => {
           `org.opencontainers.image.description=this is a "good" example`,
           "org.opencontainers.image.title=MyCustomTitle",
           "org.opencontainers.image.vendor=MyCompany",
+        ],
+        annotations: [
+          "maintainer=Foo",
+          `org.opencontainers.image.description=this is a "bad" example`,
+          "org.opencontainers.image.title=MyNotTitle",
+          "org.opencontainers.image.vendor=MyNotCompany",
         ]
       } as Inputs,
       {
@@ -2145,6 +2218,18 @@ describe('latest', () => {
         "org.opencontainers.image.url=https://github.com/octocat/Hello-World",
         "org.opencontainers.image.vendor=MyCompany",
         "org.opencontainers.image.version=v1.1.1"
+      ],
+      [
+        "maintainer=Foo",
+        "org.opencontainers.image.created=2020-01-10T00:30:00.000Z",
+        `org.opencontainers.image.description=this is a "bad" example`,
+        "org.opencontainers.image.licenses=MIT",
+        "org.opencontainers.image.revision=860c1904a1ce19322e91ac35af1ab07466440c37",
+        "org.opencontainers.image.source=https://github.com/octocat/Hello-World",
+        "org.opencontainers.image.title=MyNotTitle",
+        "org.opencontainers.image.url=https://github.com/octocat/Hello-World",
+        "org.opencontainers.image.vendor=MyNotCompany",
+        "org.opencontainers.image.version=v1.1.1"
       ]
     ],
     [
@@ -2174,7 +2259,8 @@ describe('latest', () => {
         "org.opencontainers.image.title=Hello-World",
         "org.opencontainers.image.url=https://github.com/octocat/Hello-World",
         "org.opencontainers.image.version=2.0.8"
-      ]
+      ],
+      undefined
     ]
   ])('given %p with %p event', tagsLabelsTest);
 });
@@ -2206,7 +2292,8 @@ describe('pr', () => {
         "org.opencontainers.image.title=Hello-World",
         "org.opencontainers.image.url=https://github.com/octocat/Hello-World",
         "org.opencontainers.image.version=pr-15"
-      ]
+      ],
+      undefined
     ],
     [
       'pr02',
@@ -2232,7 +2319,8 @@ describe('pr', () => {
         "org.opencontainers.image.title=Hello-World",
         "org.opencontainers.image.url=https://github.com/octocat/Hello-World",
         "org.opencontainers.image.version=pr-15"
-      ]
+      ],
+      undefined
     ],
     [
       'pr03',
@@ -2264,7 +2352,8 @@ describe('pr', () => {
         "org.opencontainers.image.title=Hello-World",
         "org.opencontainers.image.url=https://github.com/octocat/Hello-World",
         "org.opencontainers.image.version=pr-15"
-      ]
+      ],
+      undefined
     ],
     [
       'pr04',
@@ -2296,7 +2385,8 @@ describe('pr', () => {
         "org.opencontainers.image.title=Hello-World",
         "org.opencontainers.image.url=https://github.com/octocat/Hello-World",
         "org.opencontainers.image.version=sha-a9c8c58"
-      ]
+      ],
+      undefined
     ],
     [
       'pr05',
@@ -2329,7 +2419,8 @@ describe('pr', () => {
         "org.opencontainers.image.title=Hello-World",
         "org.opencontainers.image.url=https://github.com/octocat/Hello-World",
         "org.opencontainers.image.version=pr-15-bal"
-      ]
+      ],
+      undefined
     ],
     [
       'pr06',
@@ -2362,7 +2453,8 @@ describe('pr', () => {
         "org.opencontainers.image.title=Hello-World",
         "org.opencontainers.image.url=https://github.com/octocat/Hello-World",
         "org.opencontainers.image.version=15-bal"
-      ]
+      ],
+      undefined
     ],
     [
       'pr07',
@@ -2394,7 +2486,8 @@ describe('pr', () => {
         "org.opencontainers.image.title=Hello-World",
         "org.opencontainers.image.url=https://github.com/octocat/Hello-World",
         "org.opencontainers.image.version=sha-2665741"
-      ]
+      ],
+      undefined
     ],
     [
       'pr08',
@@ -2427,7 +2520,8 @@ describe('pr', () => {
         "org.opencontainers.image.title=Hello-World",
         "org.opencontainers.image.url=https://github.com/octocat/Hello-World",
         "org.opencontainers.image.version=15-bal"
-      ]
+      ],
+      undefined
     ],
     [
       'pr09',
@@ -2464,7 +2558,8 @@ describe('pr', () => {
         "org.opencontainers.image.title=Hello-World",
         "org.opencontainers.image.url=https://github.com/octocat/Hello-World",
         "org.opencontainers.image.version=pr-15"
-      ]
+      ],
+      undefined
     ],
     [
       'pr10',
@@ -2493,7 +2588,8 @@ describe('pr', () => {
         "org.opencontainers.image.title=Hello-World",
         "org.opencontainers.image.url=https://github.com/octocat/Hello-World",
         "org.opencontainers.image.version=mytag-master"
-      ]
+      ],
+      undefined
     ],
     [
       'pr11',
@@ -2522,7 +2618,8 @@ describe('pr', () => {
         "org.opencontainers.image.title=Hello-World",
         "org.opencontainers.image.url=https://github.com/octocat/Hello-World",
         "org.opencontainers.image.version=mytag-master"
-      ]
+      ],
+      undefined
     ],
   ])('given %p with %p event', tagsLabelsTest);
 });
@@ -2872,7 +2969,7 @@ describe('pr-head-sha', () => {
         "org.opencontainers.image.version=mytag-master"
       ]
     ],
-  ])('given %p with %p event', async (name: string, envFile: string, inputs: Inputs, exVersion: Version, exTags: Array<string>, exLabels: Array<string>) => {
+  ])('given %p with %p event', async (name: string, envFile: string, inputs: Inputs, exVersion: Version, exTags: Array<string>, exLabelsAnnotations: Array<string>) => {
     process.env = dotenv.parse(fs.readFileSync(path.join(__dirname, 'fixtures', envFile)));
     process.env.DOCKER_METADATA_PR_HEAD_SHA = 'true';
 
@@ -2887,7 +2984,10 @@ describe('pr-head-sha', () => {
     expect(tags).toEqual(exTags);
 
     const labels = meta.getLabels();
-    expect(labels).toEqual(exLabels);
+    expect(labels).toEqual(exLabelsAnnotations);
+
+    const annotations = meta.getAnnotations();
+    expect(annotations).toEqual(exLabelsAnnotations);
   });
 });
 
@@ -2919,7 +3019,8 @@ describe('schedule', () => {
         "org.opencontainers.image.title=Hello-World",
         "org.opencontainers.image.url=https://github.com/octocat/Hello-World",
         "org.opencontainers.image.version=nightly"
-      ]
+      ],
+      undefined
     ],
     [
       'schedule02',
@@ -2947,7 +3048,8 @@ describe('schedule', () => {
         "org.opencontainers.image.title=Hello-World",
         "org.opencontainers.image.url=https://github.com/octocat/Hello-World",
         "org.opencontainers.image.version=20200110"
-      ]
+      ],
+      undefined
     ],
     [
       'schedule03',
@@ -2975,7 +3077,8 @@ describe('schedule', () => {
         "org.opencontainers.image.title=Hello-World",
         "org.opencontainers.image.url=https://github.com/octocat/Hello-World",
         "org.opencontainers.image.version=20200110-003000"
-      ]
+      ],
+      undefined
     ],
     [
       'schedule04',
@@ -3003,7 +3106,8 @@ describe('schedule', () => {
         "org.opencontainers.image.title=Hello-World",
         "org.opencontainers.image.url=https://github.com/octocat/Hello-World",
         "org.opencontainers.image.version=nightly"
-      ]
+      ],
+      undefined
     ],
     [
       'schedule05',
@@ -3035,7 +3139,8 @@ describe('schedule', () => {
         "org.opencontainers.image.title=Hello-World",
         "org.opencontainers.image.url=https://github.com/octocat/Hello-World",
         "org.opencontainers.image.version=nightly"
-      ]
+      ],
+      undefined
     ],
     [
       'schedule06',
@@ -3073,7 +3178,8 @@ describe('schedule', () => {
         "org.opencontainers.image.title=Hello-World",
         "org.opencontainers.image.url=https://github.com/octocat/Hello-World",
         "org.opencontainers.image.version=sha-860c190"
-      ]
+      ],
+      undefined
     ],
     [
       'schedule07',
@@ -3106,7 +3212,8 @@ describe('schedule', () => {
         "org.opencontainers.image.title=Hello-World",
         "org.opencontainers.image.url=https://github.com/octocat/Hello-World",
         "org.opencontainers.image.version=glo-nightly-bal"
-      ]
+      ],
+      undefined
     ],
     [
       'schedule08',
@@ -3134,7 +3241,8 @@ describe('schedule', () => {
         "org.opencontainers.image.title=Hello-World",
         "org.opencontainers.image.url=https://github.com/octocat/Hello-World",
         "org.opencontainers.image.version=20200110-093000"
-      ]
+      ],
+      undefined
     ],
   ])('given %p with %p event', tagsLabelsTest);
 });
@@ -3167,7 +3275,8 @@ describe('release', () => {
         "org.opencontainers.image.title=Hello-World",
         "org.opencontainers.image.url=https://github.com/octocat/Hello-World",
         "org.opencontainers.image.version=v1.1.1"
-      ]
+      ],
+      undefined
     ],
     [
       'release02',
@@ -3201,7 +3310,8 @@ describe('release', () => {
         "org.opencontainers.image.title=Hello-World",
         "org.opencontainers.image.url=https://github.com/octocat/Hello-World",
         "org.opencontainers.image.version=v1.1.1"
-      ]
+      ],
+      undefined
     ]
   ])('given %s with %p event', tagsLabelsTest);
 });
@@ -3242,7 +3352,8 @@ describe('raw', () => {
         "org.opencontainers.image.title=Hello-World",
         "org.opencontainers.image.url=https://github.com/octocat/Hello-World",
         "org.opencontainers.image.version=dev"
-      ]
+      ],
+      undefined
     ],
     [
       'raw02',
@@ -3272,7 +3383,8 @@ describe('raw', () => {
         "org.opencontainers.image.title=Hello-World",
         "org.opencontainers.image.url=https://github.com/octocat/Hello-World",
         "org.opencontainers.image.version=dev"
-      ]
+      ],
+      undefined
     ],
     [
       'raw03',
@@ -3307,7 +3419,8 @@ describe('raw', () => {
         "org.opencontainers.image.title=Hello-World",
         "org.opencontainers.image.url=https://github.com/octocat/Hello-World",
         "org.opencontainers.image.version=release1"
-      ]
+      ],
+      undefined
     ],
     [
       'raw04',
@@ -3344,7 +3457,8 @@ describe('raw', () => {
         "org.opencontainers.image.title=Hello-World",
         "org.opencontainers.image.url=https://github.com/octocat/Hello-World",
         "org.opencontainers.image.version=20200110"
-      ]
+      ],
+      undefined
     ],
     [
       'raw05',
@@ -3390,7 +3504,8 @@ describe('raw', () => {
         "org.opencontainers.image.title=Hello-World",
         "org.opencontainers.image.url=https://github.com/octocat/Hello-World",
         "org.opencontainers.image.version=1.1.1"
-      ]
+      ],
+      undefined
     ],
     [
       'raw06',
@@ -3425,7 +3540,8 @@ describe('raw', () => {
         "org.opencontainers.image.title=Hello-World",
         "org.opencontainers.image.url=https://github.com/octocat/Hello-World",
         "org.opencontainers.image.version=my"
-      ]
+      ],
+      undefined
     ],
     [
       'raw07',
@@ -3463,7 +3579,8 @@ describe('raw', () => {
         "org.opencontainers.image.title=Hello-World",
         "org.opencontainers.image.url=https://github.com/octocat/Hello-World",
         "org.opencontainers.image.version=my"
-      ]
+      ],
+      undefined
     ],
     [
       'raw08',
@@ -3499,7 +3616,8 @@ describe('raw', () => {
         "org.opencontainers.image.title=Hello-World",
         "org.opencontainers.image.url=https://github.com/octocat/Hello-World",
         "org.opencontainers.image.version=my"
-      ]
+      ],
+      undefined
     ],
     [
       'raw09',
@@ -3537,7 +3655,8 @@ describe('raw', () => {
         "org.opencontainers.image.title=Hello-World",
         "org.opencontainers.image.url=https://github.com/octocat/Hello-World",
         "org.opencontainers.image.version=foo-my-bar"
-      ]
+      ],
+      undefined
     ],
     [
       'raw10',
@@ -3571,7 +3690,8 @@ describe('raw', () => {
         "org.opencontainers.image.title=Hello-World",
         "org.opencontainers.image.url=https://github.com/octocat/Hello-World",
         "org.opencontainers.image.version=foo"
-      ]
+      ],
+      undefined
     ],
   ])('given %p wth %p event', tagsLabelsTest);
 });
@@ -3615,7 +3735,6 @@ describe('json', () => {
           "org.opencontainers.image.version": "dev"
         },
         "annotations": [
-          "manifest:foo=",
           "manifest:org.opencontainers.image.created=2020-01-10T00:30:00.000Z",
           "manifest:org.opencontainers.image.description=This your first repo!",
           "manifest:org.opencontainers.image.licenses=MIT",
@@ -3877,15 +3996,13 @@ describe('json', () => {
           "org.opencontainers.image.version": "v1.1.1"
         },
         "annotations": [
-          "manifest:maintainer=CrazyMax",
           "manifest:org.opencontainers.image.created=2020-01-10T00:30:00.000Z",
-          "manifest:org.opencontainers.image.description=Another description",
+          "manifest:org.opencontainers.image.description=This your first repo!",
           "manifest:org.opencontainers.image.licenses=MIT",
           "manifest:org.opencontainers.image.revision=860c1904a1ce19322e91ac35af1ab07466440c37",
           "manifest:org.opencontainers.image.source=https://github.com/octocat/Hello-World",
-          "manifest:org.opencontainers.image.title=MyCustom=Title",
+          "manifest:org.opencontainers.image.title=Hello-World",
           "manifest:org.opencontainers.image.url=https://github.com/octocat/Hello-World",
-          "manifest:org.opencontainers.image.vendor=MyCompany",
           "manifest:org.opencontainers.image.version=v1.1.1"
         ]
       }
@@ -4385,25 +4502,21 @@ describe('bakeFile', () => {
         "target": {
           "docker-metadata-action": {
             "annotations": [
-              "index:maintainer=CrazyMax",
               "index:org.opencontainers.image.created=2020-01-10T00:30:00.000Z",
-              "index:org.opencontainers.image.description=Another description",
+              "index:org.opencontainers.image.description=This your first repo!",
               "index:org.opencontainers.image.licenses=MIT",
               "index:org.opencontainers.image.revision=860c1904a1ce19322e91ac35af1ab07466440c37",
               "index:org.opencontainers.image.source=https://github.com/octocat/Hello-World",
-              "index:org.opencontainers.image.title=MyCustom=Title",
+              "index:org.opencontainers.image.title=Hello-World",
               "index:org.opencontainers.image.url=https://github.com/octocat/Hello-World",
-              "index:org.opencontainers.image.vendor=MyCompany",
               "index:org.opencontainers.image.version=v1.1.1",
-              "manifest-descriptor:maintainer=CrazyMax",
               "manifest-descriptor:org.opencontainers.image.created=2020-01-10T00:30:00.000Z",
-              "manifest-descriptor:org.opencontainers.image.description=Another description",
+              "manifest-descriptor:org.opencontainers.image.description=This your first repo!",
               "manifest-descriptor:org.opencontainers.image.licenses=MIT",
               "manifest-descriptor:org.opencontainers.image.revision=860c1904a1ce19322e91ac35af1ab07466440c37",
               "manifest-descriptor:org.opencontainers.image.source=https://github.com/octocat/Hello-World",
-              "manifest-descriptor:org.opencontainers.image.title=MyCustom=Title",
+              "manifest-descriptor:org.opencontainers.image.title=Hello-World",
               "manifest-descriptor:org.opencontainers.image.url=https://github.com/octocat/Hello-World",
-              "manifest-descriptor:org.opencontainers.image.vendor=MyCompany",
               "manifest-descriptor:org.opencontainers.image.version=v1.1.1"
             ]
           }

action.yml

@@ -23,12 +23,18 @@ inputs:
   labels:
     description: 'List of custom labels'
     required: false
+  annotations:
+    description: 'List of custom annotations'
+    required: false
   sep-tags:
     description: 'Separator to use for tags output (default \n)'
     required: false
   sep-labels:
     description: 'Separator to use for labels output (default \n)'
     required: false
+  sep-annotations:
+    description: 'Separator to use for annotations output (default \n)'
+    required: false
   bake-target:
     description: 'Bake target name (default docker-metadata-action)'
     required: false

src/context.ts

@@ -10,8 +10,10 @@ export interface Inputs {
   tags: string[];
   flavor: string[];
   labels: string[];
+  annotations: string[];
   sepTags: string;
   sepLabels: string;
+  sepAnnotations: string;
   bakeTarget: string;
   githubToken: string;
 }
@@ -23,8 +25,10 @@ export function getInputs(): Inputs {
     tags: Util.getInputList('tags', {ignoreComma: true, comment: '#'}),
     flavor: Util.getInputList('flavor', {ignoreComma: true, comment: '#'}),
     labels: Util.getInputList('labels', {ignoreComma: true, comment: '#'}),
+    annotations: Util.getInputList('annotations', {ignoreComma: true, comment: '#'}),
     sepTags: core.getInput('sep-tags', {trimWhitespace: false}) || `\n`,
     sepLabels: core.getInput('sep-labels', {trimWhitespace: false}) || `\n`,
+    sepAnnotations: core.getInput('sep-annotations', {trimWhitespace: false}) || `\n`,
     bakeTarget: core.getInput('bake-target') || `docker-metadata-action`,
     githubToken: core.getInput('github-token')
   };

src/main.ts

@@ -71,32 +71,31 @@ actionsToolkit.run(
     });
 
     // Annotations
-    const alevels = process.env.DOCKER_METADATA_ANNOTATIONS_LEVELS || 'manifest';
+    const annotationsRaw: Array<string> = meta.getAnnotations();
-    if (labels.length > 0) {
+    const annotationsLevels = process.env.DOCKER_METADATA_ANNOTATIONS_LEVELS || 'manifest';
     await core.group(`Annotations`, async () => {
       const annotations: Array<string> = [];
-        for (const level of alevels.split(',')) {
+      for (const level of annotationsLevels.split(',')) {
         annotations.push(
-            ...labels.map(label => {
+          ...annotationsRaw.map(label => {
             const v = `${level}:${label}`;
             core.info(v);
             return v;
           })
         );
       }
-        setOutput(`annotations`, annotations.join(inputs.sepLabels));
+      setOutput(`annotations`, annotations.join(inputs.sepAnnotations));
     });
-    }
 
     // JSON
-    const jsonOutput = meta.getJSON(alevels.split(','));
+    const jsonOutput = meta.getJSON(annotationsLevels.split(','));
     await core.group(`JSON output`, async () => {
       core.info(JSON.stringify(jsonOutput, null, 2));
       setOutput('json', JSON.stringify(jsonOutput));
     });
 
     // Bake files
-    for (const kind of ['tags', 'labels', 'annotations:' + alevels]) {
+    for (const kind of ['tags', 'labels', 'annotations:' + annotationsLevels]) {
       const outputName = kind.split(':')[0];
       const bakeFile: string = meta.getBakeFile(kind);
       await core.group(`Bake file definition (${outputName})`, async () => {

src/meta.ts

@@ -468,7 +468,15 @@ export class Meta {
   }
 
   public getLabels(): Array<string> {
-    const labels: Array<string> = [
+    return this.getOCIAnnotationsWithCustoms(this.inputs.labels);
+  }
+
+  public getAnnotations(): Array<string> {
+    return this.getOCIAnnotationsWithCustoms(this.inputs.annotations);
+  }
+
+  private getOCIAnnotationsWithCustoms(extra: string[]): Array<string> {
+    const res: Array<string> = [
       `org.opencontainers.image.title=${this.repo.name || ''}`,
       `org.opencontainers.image.description=${this.repo.description || ''}`,
       `org.opencontainers.image.url=${this.repo.html_url || ''}`,
@@ -478,11 +486,11 @@ export class Meta {
       `org.opencontainers.image.revision=${this.context.sha || ''}`,
       `org.opencontainers.image.licenses=${this.repo.license?.spdx_id || ''}`
     ];
-    labels.push(...this.inputs.labels);
+    res.push(...extra);
 
     return Array.from(
       new Map<string, string>(
-        labels
+        res
           .map(label => label.split('='))
           // eslint-disable-next-line @typescript-eslint/no-unused-vars
           .filter(([_key, ...values]) => values.length > 0)
@@ -496,7 +504,7 @@ export class Meta {
   public getJSON(alevels: string[]): unknown {
     const annotations: Array<string> = [];
     for (const level of alevels) {
-      annotations.push(...this.getLabels().map(label => `${level}:${label}`));
+      annotations.push(...this.getAnnotations().map(label => `${level}:${label}`));
     }
     return {
       tags: this.getTags(),
@@ -536,7 +544,7 @@ export class Meta {
       const name = kind.split(':')[0];
       const annotations: Array<string> = [];
       for (const level of kind.split(':')[1].split(',')) {
-        annotations.push(...this.getLabels().map(label => `${level}:${label}`));
+        annotations.push(...this.getAnnotations().map(label => `${level}:${label}`));
       }
       return this.generateBakeFile(name, {
         annotations: annotations

test/output.Dockerfile

@@ -4,9 +4,11 @@ RUN apk add --no-cache coreutils jq
 ARG DOCKER_METADATA_OUTPUT_VERSION
 ARG DOCKER_METADATA_OUTPUT_TAGS
 ARG DOCKER_METADATA_OUTPUT_LABELS
+ARG DOCKER_METADATA_OUTPUT_ANNOTATIONS
 ARG DOCKER_METADATA_OUTPUT_JSON
 RUN printenv DOCKER_METADATA_OUTPUT_VERSION
 RUN printenv DOCKER_METADATA_OUTPUT_TAGS
 RUN printenv DOCKER_METADATA_OUTPUT_LABELS
+RUN printenv DOCKER_METADATA_OUTPUT_ANNOTATIONS
 RUN printenv DOCKER_METADATA_OUTPUT_JSON
 RUN echo $DOCKER_METADATA_OUTPUT_JSON | jq