bake: split definition into two files

Allows to either include tags or labels or both definitions. Keep bake-file output for backward compatibility. Signed-off-by: CrazyMax <1951866+crazy-max@users.noreply.github.com>
2024-09-30 11:21:20 +02:00 · 2023-11-22 22:46:29 +01:00 · 2023-11-22 22:46:29 +01:00 · b94479639a
commit b94479639a
parent 62339db73c
6 changed files with 443 additions and 281 deletions
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@ -323,7 +323,8 @@ jobs:
        with:
          files: |
            ./test/docker-bake.hcl
-            ${{ steps.docker_meta.outputs.bake-file }}
+            ${{ steps.docker_meta.outputs.bake-file-tags }}
+            ${{ steps.docker_meta.outputs.bake-file-labels }}
          targets: |
            release

--- a/README.md
+++ b/README.md
@ -230,8 +230,8 @@ jobs:
          targets: build
 ```

-Content of `${{ steps.meta.outputs.bake-file }}` file will look like this with
-`refs/tags/v1.2.3` ref:
+Content of `${{ steps.meta.outputs.bake-file }}` file, combining tags and
+labels, will look like this with `refs/tags/v1.2.3` ref:

 ```json
 {
@ -262,6 +262,22 @@ Content of `${{ steps.meta.outputs.bake-file }}` file will look like this with
 }
 ```

+You can also use the `bake-file-tags` and `bake-file-labels` outputs if you
+just want to use tags and/or labels respectively. The following example is
+similar to the previous one:
+
+```yaml
+      -
+        name: Build
+        uses: docker/bake-action@v3
+        with:
+          files: |
+            ./docker-bake.hcl
+            ${{ steps.meta.outputs.bake-file-tags }}
+            ${{ steps.meta.outputs.bake-file-labels }}
+          targets: build
+```
+
 ## Customizing

 ### inputs
@ -276,28 +292,29 @@ The following inputs can be used as `step.with` keys:
 >   org.opencontainers.image.vendor=MyCompany
 > ```

-| 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                                                         |
-| `sep-tags`          | String | Separator to use for tags output (default `\n`)                               |
-| `sep-labels`        | String | Separator to use for labels output (default `\n`)                             |
-| `bake-target`       | String | Bake target name (default `docker-metadata-action`)                           |
+| 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                                                         |
+| `sep-tags`    | String | Separator to use for tags output (default `\n`)                               |
+| `sep-labels`  | String | Separator to use for labels output (default `\n`)                             |
+| `bake-target` | String | Bake target name (default `docker-metadata-action`)                           |

 ### outputs

 The following outputs are available:

-| Name        | Type   | Description                                                                |
-|-------------|--------|----------------------------------------------------------------------------|
-| `version`   | String | Docker image version                                                       |
-| `tags`      | String | Docker tags                                                                |
-| `labels`    | String | Docker labels                                                              |
-| `json`      | String | JSON output of tags and labels                                             |
-| `bake-file` | File   | [Bake file definition](https://docs.docker.com/build/bake/reference/) path |
+| Name               | Type   | Description                                                                                     |
+|--------------------|--------|-------------------------------------------------------------------------------------------------|
+| `version`          | String | Docker image version                                                                            |
+| `tags`             | String | Docker tags                                                                                     |
+| `labels`           | String | Docker labels                                                                                   |
+| `json`             | String | JSON output of tags and labels                                                                  |
+| `bake-file-tags`   | File   | [Bake file definition](https://docs.docker.com/build/bake/reference/) path with tags            |
+| `bake-file-labels` | File   | [Bake file definition](https://docs.docker.com/build/bake/reference/) path with labels          |

 Alternatively, each output is also exported as an environment variable:

@ -305,7 +322,8 @@ Alternatively, each output is also exported as an environment variable:
 * `DOCKER_METADATA_OUTPUT_TAGS`
 * `DOCKER_METADATA_OUTPUT_LABELS`
 * `DOCKER_METADATA_OUTPUT_JSON`
-* `DOCKER_METADATA_OUTPUT_BAKE_FILE`
+* `DOCKER_METADATA_OUTPUT_BAKE_FILE_TAGS`
+* `DOCKER_METADATA_OUTPUT_BAKE_FILE_LABELS`

 So it can be used with our [Docker Build Push action](https://github.com/docker/build-push-action/):

--- a/tests/meta.test.ts
+++ b/tests/meta.test.ts
@ -3719,12 +3719,363 @@ describe('json', () => {
  });
 });

-describe('bake', () => {
+describe('bakeFile', () => {
  // prettier-ignore
  // eslint-disable-next-line jest/expect-expect
  test.each([
    [
-      'bake01',
+      'bakeFile01',
+      'event_push_dev.env',
+      {
+        images: ['user/app'],
+        tags: [
+          `type=ref,event=branch`,
+          `type=raw,my`,
+          `type=raw,custom`,
+          `type=raw,tags`
+        ],
+        labels: [
+          "invalid"
+        ]
+      } as Inputs,
+      {
+        "target": {
+          "docker-metadata-action": {
+            "tags": [
+              "user/app:dev",
+              "user/app:my",
+              "user/app:custom",
+              "user/app:tags"
+            ],
+            "args": {
+              "DOCKER_META_IMAGES": "user/app",
+              "DOCKER_META_VERSION": "dev",
+            }
+          }
+        }
+      },
+      {
+        "target": {
+          "docker-metadata-action": {
+            "labels": {
+              "org.opencontainers.image.created": "2020-01-10T00:30:00.000Z",
+              "org.opencontainers.image.description": "This your first repo!",
+              "org.opencontainers.image.licenses": "MIT",
+              "org.opencontainers.image.revision": "860c1904a1ce19322e91ac35af1ab07466440c37",
+              "org.opencontainers.image.source": "https://github.com/octocat/Hello-World",
+              "org.opencontainers.image.title": "Hello-World",
+              "org.opencontainers.image.url": "https://github.com/octocat/Hello-World",
+              "org.opencontainers.image.version": "dev"
+            }
+          }
+        }
+      }
+    ],
+    [
+      'bakeFile02',
+      'event_push_dev.env',
+      {
+        images: ['user/app'],
+        tags: [
+          `type=ref,event=branch`,
+          `type=raw,my`
+        ]
+      } as Inputs,
+      {
+        "target": {
+          "docker-metadata-action": {
+            "tags": [
+              "user/app:dev",
+              "user/app:my",
+            ],
+            "args": {
+              "DOCKER_META_IMAGES": "user/app",
+              "DOCKER_META_VERSION": "dev",
+            }
+          }
+        }
+      },
+      {
+        "target": {
+          "docker-metadata-action": {
+            "labels": {
+              "org.opencontainers.image.created": "2020-01-10T00:30:00.000Z",
+              "org.opencontainers.image.description": "This your first repo!",
+              "org.opencontainers.image.licenses": "MIT",
+              "org.opencontainers.image.revision": "860c1904a1ce19322e91ac35af1ab07466440c37",
+              "org.opencontainers.image.source": "https://github.com/octocat/Hello-World",
+              "org.opencontainers.image.title": "Hello-World",
+              "org.opencontainers.image.url": "https://github.com/octocat/Hello-World",
+              "org.opencontainers.image.version": "dev"
+            }
+          }
+        }
+      }
+    ],
+    [
+      'bakeFile03',
+      'event_tag_release1.env',
+      {
+        images: ['user/app'],
+        tags: [
+          `type=ref,event=tag`,
+          `type=raw,my`,
+          `type=raw,custom`,
+          `type=raw,tags`
+        ],
+        bakeTarget: "meta"
+      } as Inputs,
+      {
+        "target": {
+          "meta": {
+            "tags": [
+              "user/app:release1",
+              "user/app:my",
+              "user/app:custom",
+              "user/app:tags",
+              "user/app:latest"
+            ],
+            "args": {
+              "DOCKER_META_IMAGES": "user/app",
+              "DOCKER_META_VERSION": "release1",
+            }
+          }
+        }
+      },
+      {
+        "target": {
+          "meta": {
+            "labels": {
+              "org.opencontainers.image.created": "2020-01-10T00:30:00.000Z",
+              "org.opencontainers.image.description": "This your first repo!",
+              "org.opencontainers.image.licenses": "MIT",
+              "org.opencontainers.image.revision": "860c1904a1ce19322e91ac35af1ab07466440c37",
+              "org.opencontainers.image.source": "https://github.com/octocat/Hello-World",
+              "org.opencontainers.image.title": "Hello-World",
+              "org.opencontainers.image.url": "https://github.com/octocat/Hello-World",
+              "org.opencontainers.image.version": "release1"
+            }
+          }
+        }
+      }
+    ],
+    [
+      'bakeFile04',
+      'event_tag_20200110-RC2.env',
+      {
+        images: ['user/app'],
+        tags: [
+          `type=match,pattern=\\d{8}`,
+          `type=raw,my`,
+          `type=raw,custom`,
+          `type=raw,tags`
+        ],
+        flavor: [
+          `latest=false`
+        ]
+      } as Inputs,
+      {
+        "target": {
+          "docker-metadata-action": {
+            "tags": [
+              "user/app:20200110",
+              "user/app:my",
+              "user/app:custom",
+              "user/app:tags"
+            ],
+            "args": {
+              "DOCKER_META_IMAGES": "user/app",
+              "DOCKER_META_VERSION": "20200110",
+            }
+          }
+        }
+      },
+      {
+        "target": {
+          "docker-metadata-action": {
+            "labels": {
+              "org.opencontainers.image.created": "2020-01-10T00:30:00.000Z",
+              "org.opencontainers.image.description": "This your first repo!",
+              "org.opencontainers.image.licenses": "MIT",
+              "org.opencontainers.image.revision": "860c1904a1ce19322e91ac35af1ab07466440c37",
+              "org.opencontainers.image.source": "https://github.com/octocat/Hello-World",
+              "org.opencontainers.image.title": "Hello-World",
+              "org.opencontainers.image.url": "https://github.com/octocat/Hello-World",
+              "org.opencontainers.image.version": "20200110"
+            }
+          }
+        }
+      }
+    ],
+    [
+      'bakeFile05',
+      'event_tag_v1.1.1.env',
+      {
+        images: ['org/app', 'ghcr.io/user/app'],
+        tags: [
+          `type=semver,pattern={{version}}`,
+          `type=semver,pattern={{major}}.{{minor}}`,
+          `type=semver,pattern={{major}}`,
+          `type=raw,my`,
+          `type=raw,custom`,
+          `type=raw,tags`
+        ]
+      } as Inputs,
+      {
+        "target": {
+          "docker-metadata-action": {
+            "tags": [
+              "org/app:1.1.1",
+              "org/app:1.1",
+              "org/app:1",
+              "org/app:my",
+              "org/app:custom",
+              "org/app:tags",
+              "org/app:latest",
+              "ghcr.io/user/app:1.1.1",
+              "ghcr.io/user/app:1.1",
+              "ghcr.io/user/app:1",
+              "ghcr.io/user/app:my",
+              "ghcr.io/user/app:custom",
+              "ghcr.io/user/app:tags",
+              "ghcr.io/user/app:latest"
+            ],
+            "args": {
+              "DOCKER_META_IMAGES": "org/app,ghcr.io/user/app",
+              "DOCKER_META_VERSION": "1.1.1",
+            }
+          }
+        }
+      },
+      {
+        "target": {
+          "docker-metadata-action": {
+            "labels": {
+              "org.opencontainers.image.created": "2020-01-10T00:30:00.000Z",
+              "org.opencontainers.image.description": "This your first repo!",
+              "org.opencontainers.image.licenses": "MIT",
+              "org.opencontainers.image.revision": "860c1904a1ce19322e91ac35af1ab07466440c37",
+              "org.opencontainers.image.source": "https://github.com/octocat/Hello-World",
+              "org.opencontainers.image.title": "Hello-World",
+              "org.opencontainers.image.url": "https://github.com/octocat/Hello-World",
+              "org.opencontainers.image.version": "1.1.1"
+            }
+          }
+        }
+      }
+    ],
+    [
+      'bakeFile06',
+      'event_tag_v1.1.1.env',
+      {
+        images: ['org/app', 'ghcr.io/user/app'],
+        tags: [
+          `type=raw,my`,
+          `type=raw,custom`,
+          `type=raw,tags`
+        ]
+      } as Inputs,
+      {
+        "target": {
+          "docker-metadata-action": {
+            "tags": [
+              "org/app:my",
+              "org/app:custom",
+              "org/app:tags",
+              "ghcr.io/user/app:my",
+              "ghcr.io/user/app:custom",
+              "ghcr.io/user/app:tags"
+            ],
+            "args": {
+              "DOCKER_META_IMAGES": "org/app,ghcr.io/user/app",
+              "DOCKER_META_VERSION": "my",
+            }
+          }
+        }
+      },
+      {
+        "target": {
+          "docker-metadata-action": {
+            "labels": {
+              "org.opencontainers.image.created": "2020-01-10T00:30:00.000Z",
+              "org.opencontainers.image.description": "This your first repo!",
+              "org.opencontainers.image.licenses": "MIT",
+              "org.opencontainers.image.revision": "860c1904a1ce19322e91ac35af1ab07466440c37",
+              "org.opencontainers.image.source": "https://github.com/octocat/Hello-World",
+              "org.opencontainers.image.title": "Hello-World",
+              "org.opencontainers.image.url": "https://github.com/octocat/Hello-World",
+              "org.opencontainers.image.version": "my"
+            }
+          }
+        }
+      }
+    ],
+    [
+      'bakeFile07',
+      'event_tag_v1.1.1.env',
+      {
+        images: ['org/app'],
+        labels: [
+          "maintainer=CrazyMax",
+          "org.opencontainers.image.title=MyCustom=Title",
+          "org.opencontainers.image.description=Another description",
+          "org.opencontainers.image.vendor=MyCompany",
+        ],
+      } as Inputs,
+      {
+        "target": {
+          "docker-metadata-action": {
+            "tags": [
+              "org/app:v1.1.1",
+              "org/app:latest"
+            ],
+            "args": {
+              "DOCKER_META_IMAGES": "org/app",
+              "DOCKER_META_VERSION": "v1.1.1",
+            }
+          }
+        }
+      },
+      {
+        "target": {
+          "docker-metadata-action": {
+            "labels": {
+              "maintainer": "CrazyMax",
+              "org.opencontainers.image.created": "2020-01-10T00:30:00.000Z",
+              "org.opencontainers.image.description": "Another description",
+              "org.opencontainers.image.licenses": "MIT",
+              "org.opencontainers.image.revision": "860c1904a1ce19322e91ac35af1ab07466440c37",
+              "org.opencontainers.image.source": "https://github.com/octocat/Hello-World",
+              "org.opencontainers.image.title": "MyCustom=Title",
+              "org.opencontainers.image.url": "https://github.com/octocat/Hello-World",
+              "org.opencontainers.image.vendor": "MyCompany",
+              "org.opencontainers.image.version": "v1.1.1"
+            }
+          }
+        }
+      }
+    ]
+  ])('given %p with %p event', async (name: string, envFile: string, inputs: Inputs, exBakeTags: unknown, exBakeLabels: unknown) => {
+    process.env = dotenv.parse(fs.readFileSync(path.join(__dirname, 'fixtures', envFile)));
+
+    const toolkit = new Toolkit();
+    const repo = await toolkit.github.repoData();
+    const meta = new Meta({...getInputs(), ...inputs}, await getContext(ContextSource.workflow), repo);
+
+    const bakeFileTags = meta.getBakeFile('tags');
+    expect(JSON.parse(fs.readFileSync(bakeFileTags, 'utf8'))).toEqual(exBakeTags);
+
+    const bakeFileLabels = meta.getBakeFile('labels');
+    expect(JSON.parse(fs.readFileSync(bakeFileLabels, 'utf8'))).toEqual(exBakeLabels);
+  });
+});
+
+describe('bakeFileTagsLabels', () => {
+  // prettier-ignore
+  // eslint-disable-next-line jest/expect-expect
+  test.each([
+    [
+      'bakeFileTagsLabels01',
      'event_push_dev.env',
      {
        images: ['user/app'],
@ -3764,254 +4115,6 @@ describe('bake', () => {
          }
        }
      }
-    ],
-    [
-      'bake02',
-      'event_push_dev.env',
-      {
-        images: ['user/app'],
-        tags: [
-          `type=ref,event=branch`,
-          `type=raw,my`
-        ]
-      } as Inputs,
-      {
-        "target": {
-          "docker-metadata-action": {
-            "tags": [
-              "user/app:dev",
-              "user/app:my",
-            ],
-            "labels": {
-              "org.opencontainers.image.created": "2020-01-10T00:30:00.000Z",
-              "org.opencontainers.image.description": "This your first repo!",
-              "org.opencontainers.image.licenses": "MIT",
-              "org.opencontainers.image.revision": "860c1904a1ce19322e91ac35af1ab07466440c37",
-              "org.opencontainers.image.source": "https://github.com/octocat/Hello-World",
-              "org.opencontainers.image.title": "Hello-World",
-              "org.opencontainers.image.url": "https://github.com/octocat/Hello-World",
-              "org.opencontainers.image.version": "dev"
-            },
-            "args": {
-              "DOCKER_META_IMAGES": "user/app",
-              "DOCKER_META_VERSION": "dev",
-            }
-          }
-        }
-      }
-    ],
-    [
-      'bake03',
-      'event_tag_release1.env',
-      {
-        images: ['user/app'],
-        tags: [
-          `type=ref,event=tag`,
-          `type=raw,my`,
-          `type=raw,custom`,
-          `type=raw,tags`
-        ],
-        bakeTarget: "meta"
-      } as Inputs,
-      {
-        "target": {
-          "meta": {
-            "tags": [
-              "user/app:release1",
-              "user/app:my",
-              "user/app:custom",
-              "user/app:tags",
-              "user/app:latest"
-            ],
-            "labels": {
-              "org.opencontainers.image.created": "2020-01-10T00:30:00.000Z",
-              "org.opencontainers.image.description": "This your first repo!",
-              "org.opencontainers.image.licenses": "MIT",
-              "org.opencontainers.image.revision": "860c1904a1ce19322e91ac35af1ab07466440c37",
-              "org.opencontainers.image.source": "https://github.com/octocat/Hello-World",
-              "org.opencontainers.image.title": "Hello-World",
-              "org.opencontainers.image.url": "https://github.com/octocat/Hello-World",
-              "org.opencontainers.image.version": "release1"
-            },
-            "args": {
-              "DOCKER_META_IMAGES": "user/app",
-              "DOCKER_META_VERSION": "release1",
-            }
-          }
-        }
-      }
-    ],
-    [
-      'bake04',
-      'event_tag_20200110-RC2.env',
-      {
-        images: ['user/app'],
-        tags: [
-          `type=match,pattern=\\d{8}`,
-          `type=raw,my`,
-          `type=raw,custom`,
-          `type=raw,tags`
-        ],
-        flavor: [
-          `latest=false`
-        ]
-      } as Inputs,
-      {
-        "target": {
-          "docker-metadata-action": {
-            "tags": [
-              "user/app:20200110",
-              "user/app:my",
-              "user/app:custom",
-              "user/app:tags"
-            ],
-            "labels": {
-              "org.opencontainers.image.created": "2020-01-10T00:30:00.000Z",
-              "org.opencontainers.image.description": "This your first repo!",
-              "org.opencontainers.image.licenses": "MIT",
-              "org.opencontainers.image.revision": "860c1904a1ce19322e91ac35af1ab07466440c37",
-              "org.opencontainers.image.source": "https://github.com/octocat/Hello-World",
-              "org.opencontainers.image.title": "Hello-World",
-              "org.opencontainers.image.url": "https://github.com/octocat/Hello-World",
-              "org.opencontainers.image.version": "20200110"
-            },
-            "args": {
-              "DOCKER_META_IMAGES": "user/app",
-              "DOCKER_META_VERSION": "20200110",
-            }
-          }
-        }
-      }
-    ],
-    [
-      'bake05',
-      'event_tag_v1.1.1.env',
-      {
-        images: ['org/app', 'ghcr.io/user/app'],
-        tags: [
-          `type=semver,pattern={{version}}`,
-          `type=semver,pattern={{major}}.{{minor}}`,
-          `type=semver,pattern={{major}}`,
-          `type=raw,my`,
-          `type=raw,custom`,
-          `type=raw,tags`
-        ]
-      } as Inputs,
-      {
-        "target": {
-          "docker-metadata-action": {
-            "tags": [
-              "org/app:1.1.1",
-              "org/app:1.1",
-              "org/app:1",
-              "org/app:my",
-              "org/app:custom",
-              "org/app:tags",
-              "org/app:latest",
-              "ghcr.io/user/app:1.1.1",
-              "ghcr.io/user/app:1.1",
-              "ghcr.io/user/app:1",
-              "ghcr.io/user/app:my",
-              "ghcr.io/user/app:custom",
-              "ghcr.io/user/app:tags",
-              "ghcr.io/user/app:latest"
-            ],
-            "labels": {
-              "org.opencontainers.image.created": "2020-01-10T00:30:00.000Z",
-              "org.opencontainers.image.description": "This your first repo!",
-              "org.opencontainers.image.licenses": "MIT",
-              "org.opencontainers.image.revision": "860c1904a1ce19322e91ac35af1ab07466440c37",
-              "org.opencontainers.image.source": "https://github.com/octocat/Hello-World",
-              "org.opencontainers.image.title": "Hello-World",
-              "org.opencontainers.image.url": "https://github.com/octocat/Hello-World",
-              "org.opencontainers.image.version": "1.1.1"
-            },
-            "args": {
-              "DOCKER_META_IMAGES": "org/app,ghcr.io/user/app",
-              "DOCKER_META_VERSION": "1.1.1",
-            }
-          }
-        }
-      }
-    ],
-    [
-      'bake06',
-      'event_tag_v1.1.1.env',
-      {
-        images: ['org/app', 'ghcr.io/user/app'],
-        tags: [
-          `type=raw,my`,
-          `type=raw,custom`,
-          `type=raw,tags`
-        ]
-      } as Inputs,
-      {
-        "target": {
-          "docker-metadata-action": {
-            "tags": [
-              "org/app:my",
-              "org/app:custom",
-              "org/app:tags",
-              "ghcr.io/user/app:my",
-              "ghcr.io/user/app:custom",
-              "ghcr.io/user/app:tags"
-            ],
-            "labels": {
-              "org.opencontainers.image.created": "2020-01-10T00:30:00.000Z",
-              "org.opencontainers.image.description": "This your first repo!",
-              "org.opencontainers.image.licenses": "MIT",
-              "org.opencontainers.image.revision": "860c1904a1ce19322e91ac35af1ab07466440c37",
-              "org.opencontainers.image.source": "https://github.com/octocat/Hello-World",
-              "org.opencontainers.image.title": "Hello-World",
-              "org.opencontainers.image.url": "https://github.com/octocat/Hello-World",
-              "org.opencontainers.image.version": "my"
-            },
-            "args": {
-              "DOCKER_META_IMAGES": "org/app,ghcr.io/user/app",
-              "DOCKER_META_VERSION": "my",
-            }
-          }
-        }
-      }
-    ],
-    [
-      'bake07',
-      'event_tag_v1.1.1.env',
-      {
-        images: ['org/app'],
-        labels: [
-          "maintainer=CrazyMax",
-          "org.opencontainers.image.title=MyCustom=Title",
-          "org.opencontainers.image.description=Another description",
-          "org.opencontainers.image.vendor=MyCompany",
-        ],
-      } as Inputs,
-      {
-        "target": {
-          "docker-metadata-action": {
-            "tags": [
-              "org/app:v1.1.1",
-              "org/app:latest"
-            ],
-            "labels": {
-              "maintainer": "CrazyMax",
-              "org.opencontainers.image.created": "2020-01-10T00:30:00.000Z",
-              "org.opencontainers.image.description": "Another description",
-              "org.opencontainers.image.licenses": "MIT",
-              "org.opencontainers.image.revision": "860c1904a1ce19322e91ac35af1ab07466440c37",
-              "org.opencontainers.image.source": "https://github.com/octocat/Hello-World",
-              "org.opencontainers.image.title": "MyCustom=Title",
-              "org.opencontainers.image.url": "https://github.com/octocat/Hello-World",
-              "org.opencontainers.image.vendor": "MyCompany",
-              "org.opencontainers.image.version": "v1.1.1"
-            },
-            "args": {
-              "DOCKER_META_IMAGES": "org/app",
-              "DOCKER_META_VERSION": "v1.1.1",
-            }
-          }
-        }
-      }
    ]
  ])('given %p with %p event', async (name: string, envFile: string, inputs: Inputs, exBakeDefinition: unknown) => {
    process.env = dotenv.parse(fs.readFileSync(path.join(__dirname, 'fixtures', envFile)));
@ -4020,7 +4123,7 @@ describe('bake', () => {
    const repo = await toolkit.github.repoData();
    const meta = new Meta({...getInputs(), ...inputs}, await getContext(ContextSource.workflow), repo);

-    const bakeFile = meta.getBakeFile();
+    const bakeFile = meta.getBakeFileTagsLabels();
    expect(JSON.parse(fs.readFileSync(bakeFile, 'utf8'))).toEqual(exBakeDefinition);
  });
 });
--- a/action.yml
+++ b/action.yml
@ -44,10 +44,14 @@ outputs:
    description: 'Generated Docker tags'
  labels:
    description: 'Generated Docker labels'
-  bake-file:
-    description: 'Bake definiton file'
  json:
    description: 'JSON output of tags and labels'
+  bake-file-tags:
+    description: 'Bake definition file with tags'
+  bake-file-labels:
+    description: 'Bake definition file with labels'
+  bake-file:
+    description: 'Bake definition file with tags and labels'

 runs:
  using: 'node20'
--- a/src/main.ts
+++ b/src/main.ts
@ -81,11 +81,16 @@ actionsToolkit.run(
      setOutput('json', JSON.stringify(jsonOutput));
    });

-    // Bake file definition
-    const bakeFile: string = meta.getBakeFile();
-    await core.group(`Bake file definition`, async () => {
-      core.info(fs.readFileSync(bakeFile, 'utf8'));
-      setOutput('bake-file', bakeFile);
-    });
+    // Bake files
+    for (const kind of ['tags', 'labels']) {
+      const bakeFile: string = meta.getBakeFile(kind);
+      await core.group(`Bake file definition (${kind})`, async () => {
+        core.info(fs.readFileSync(bakeFile, 'utf8'));
+        setOutput(`bake-file-${kind}`, bakeFile);
+      });
+    }
+
+    // Bake file with tags and labels
+    setOutput(`bake-file`, meta.getBakeFileTagsLabels());
  }
 );
--- a/src/meta.ts
+++ b/src/meta.ts
@ -494,7 +494,33 @@ export class Meta {
    };
  }

-  public getBakeFile(): string {
+  public getBakeFile(kind: string): string {
+    switch (kind) {
+      case 'tags':
+        return this.generateBakeFile(kind, {
+          tags: this.getTags(),
+          args: {
+            DOCKER_META_IMAGES: this.getImageNames().join(','),
+            DOCKER_META_VERSION: this.version.main
+          }
+        });
+      case 'labels':
+        return this.generateBakeFile(kind, {
+          labels: this.getLabels().reduce((res, label) => {
+            const matches = label.match(/([^=]*)=(.*)/);
+            if (!matches) {
+              return res;
+            }
+            res[matches[1]] = matches[2];
+            return res;
+          }, {})
+        });
+      default:
+        throw new Error(`Unknown bake file type: ${kind}`);
+    }
+  }
+
+  public getBakeFileTagsLabels(): string {
    const bakeFile = path.join(ToolkitContext.tmpDir(), 'docker-metadata-action-bake.json');
    fs.writeFileSync(
      bakeFile,
@ -522,7 +548,12 @@ export class Meta {
        2
      )
    );
+    return bakeFile;
+  }

+  private generateBakeFile(name: string, dt): string {
+    const bakeFile = path.join(ToolkitContext.tmpDir(), `docker-metadata-action-bake-${name}.json`);
+    fs.writeFileSync(bakeFile, JSON.stringify({target: {[this.inputs.bakeTarget]: dt}}, null, 2));
    return bakeFile;
  }