diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index a843995..ebc549a 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -102,7 +102,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        tag-latest:
+        flavor-latest:
           - "auto"
           - "true"
           - "false"
@@ -122,10 +122,12 @@ jobs:
             type=ref,event=branch
             type=ref,event=tag
             type=ref,event=pr
-            type=semver,latest=${{ matrix.tag-latest }},pattern={{raw}}
-            type=semver,latest=${{ matrix.tag-latest }},pattern={{version}}
-            type=semver,latest=${{ matrix.tag-latest }},pattern={{major}}.{{minor}}.{{patch}}
+            type=semver,pattern={{raw}}
+            type=semver,pattern={{version}}
+            type=semver,pattern={{major}}.{{minor}}.{{patch}}
             type=sha
+          flavor: |
+            latest=${{ matrix.flavor-latest }}
 
   label-custom:
     runs-on: ubuntu-latest
diff --git a/__tests__/flavor.test.ts b/__tests__/flavor.test.ts
new file mode 100644
index 0000000..fcd6642
--- /dev/null
+++ b/__tests__/flavor.test.ts
@@ -0,0 +1,115 @@
+import {Flavor, Transform} from '../src/flavor';
+
+describe('transform', () => {
+  // prettier-ignore
+  test.each([
+    [
+      [
+        `randomstr`,
+        `latest=auto`
+      ],
+      {} as Flavor,
+      true
+    ],
+    [
+      [
+        `unknwown=foo`
+      ],
+      {} as Flavor,
+      true
+    ],
+    [
+      [
+        `latest`,
+      ],
+      {} as Flavor,
+      true
+    ],
+    [
+      [
+        `latest=true`
+      ],
+      {
+        latest: "true",
+        prefix: "",
+        suffix: ""
+      } as Flavor,
+      false
+    ],
+    [
+      [
+        `latest=false`
+      ],
+      {
+        latest: "false",
+        prefix: "",
+        suffix: ""
+      } as Flavor,
+      false
+    ],
+    [
+      [
+        `latest=auto`
+      ],
+      {
+        latest: "auto",
+        prefix: "",
+        suffix: ""
+      } as Flavor,
+      false
+    ],
+    [
+      [
+        `latest=foo`
+      ],
+      {} as Flavor,
+      true
+    ],
+    [
+      [
+        `prefix=sha-`
+      ],
+      {
+        latest: "auto",
+        prefix: "sha-",
+        suffix: ""
+      } as Flavor,
+      false
+    ],
+    [
+      [
+        `suffix=-alpine`
+      ],
+      {
+        latest: "auto",
+        prefix: "",
+        suffix: "-alpine"
+      } as Flavor,
+      false
+    ],
+    [
+      [
+        `latest=false`,
+        `prefix=dev-`,
+        `suffix=-alpine`
+      ],
+      {
+        latest: "false",
+        prefix: "dev-",
+        suffix: "-alpine"
+      } as Flavor,
+      false
+    ],
+  ])('given %p attributes ', async (inputs: string[], expected: Flavor, invalid: boolean) => {
+    try {
+      const flavor = Transform(inputs);
+      console.log(flavor);
+      expect(flavor).toEqual(expected);
+    } catch (err) {
+      if (!invalid) {
+        console.error(err);
+      }
+      expect(true).toBe(invalid);
+    }
+  });
+});
diff --git a/__tests__/meta.test.ts b/__tests__/meta.test.ts
index 9b83785..897a322 100644
--- a/__tests__/meta.test.ts
+++ b/__tests__/meta.test.ts
@@ -433,6 +433,36 @@ describe('push', () => {
         "org.opencontainers.image.licenses=MIT"
       ]
     ],
+    [
+      'push12',
+      'event_push_invalidchars.env',
+      {
+        images: ['org/app', 'ghcr.io/user/app'],
+        tags: [
+          `type=semver,pattern={{version}}`,
+          `type=edge`
+        ],
+      } as Inputs,
+      {
+        main: 'my-feature-1245',
+        partial: [],
+        latest: false
+      } as Version,
+      [
+        'org/app:my-feature-1245',
+        'ghcr.io/user/app:my-feature-1245'
+      ],
+      [
+        "org.opencontainers.image.title=Hello-World",
+        "org.opencontainers.image.description=This your first repo!",
+        "org.opencontainers.image.url=https://github.com/octocat/Hello-World",
+        "org.opencontainers.image.source=https://github.com/octocat/Hello-World",
+        "org.opencontainers.image.version=my-feature-1245",
+        "org.opencontainers.image.created=2020-01-10T00:30:00.000Z",
+        "org.opencontainers.image.revision=90dd6032fac8bda1b6c4436a2e65de27961ed071",
+        "org.opencontainers.image.licenses=MIT"
+      ]
+    ]
   ])('given %p with %p event', tagsLabelsTest);
 });
 
@@ -497,7 +527,10 @@ describe('tag', () => {
       {
         images: ['user/app'],
         tags: [
-          `type=match,latest=false,pattern=\\d{8}`
+          `type=match,pattern=\\d{8}`
+        ],
+        flavor: [
+          `latest=false`
         ]
       } as Inputs,
       {
@@ -525,7 +558,10 @@ describe('tag', () => {
       {
         images: ['user/app'],
         tags: [
-          `type=match,latest=false,pattern=(.*)-RC,group=1`
+          `type=match,pattern=(.*)-RC,group=1`
+        ],
+        flavor: [
+          `latest=false`
         ]
       } as Inputs,
       {
@@ -834,10 +870,13 @@ describe('tag', () => {
       {
         images: ['ghcr.io/user/app'],
         tags: [
-          `type=ref,latest=false,event=tag`,
-          `type=semver,latest=false,pattern={{version}}`,
-          `type=semver,latest=false,pattern={{major}}.{{minor}}`,
-          `type=semver,latest=false,pattern={{major}}`
+          `type=ref,event=tag`,
+          `type=semver,pattern={{version}}`,
+          `type=semver,pattern={{major}}.{{minor}}`,
+          `type=semver,pattern={{major}}`
+        ],
+        flavor: [
+          `latest=false`
         ]
       } as Inputs,
       {
@@ -858,7 +897,7 @@ describe('tag', () => {
         "org.opencontainers.image.revision=90dd6032fac8bda1b6c4436a2e65de27961ed071",
         "org.opencontainers.image.licenses=MIT"
       ]
-    ],
+    ]
   ])('given %p with %p event', tagsLabelsTest);
 });
 
@@ -1046,7 +1085,10 @@ describe('latest', () => {
       {
         images: ['org/app', 'ghcr.io/user/app'],
         tags: [
-          `type=ref,latest=false,event=tag`
+          `type=ref,event=tag`
+        ],
+        flavor: [
+          `latest=false`
         ]
       } as Inputs,
       {
@@ -1075,7 +1117,10 @@ describe('latest', () => {
       {
         images: ['org/app', 'ghcr.io/MyUSER/MyApp'],
         tags: [
-          `type=ref,latest=false,event=tag`
+          `type=ref,event=tag`
+        ],
+        flavor: [
+          `latest=false`
         ]
       } as Inputs,
       {
@@ -1104,7 +1149,10 @@ describe('latest', () => {
       {
         images: ['org/app', 'ghcr.io/MyUSER/MyApp'],
         tags: [
-          `type=ref,latest=false,event=tag`
+          `type=ref,event=tag`
+        ],
+        flavor: [
+          `latest=false`
         ],
         labels: [
           "maintainer=CrazyMax",
@@ -1374,6 +1422,38 @@ describe('schedule', () => {
         "org.opencontainers.image.licenses=MIT"
       ]
     ],
+    [
+      'schedule06',
+      'event_schedule.env',
+      {
+        images: ['org/app', 'ghcr.io/user/app'],
+        tags: [
+          `type=schedule`,
+          `type=sha,priority=2000`
+        ]
+      } as Inputs,
+      {
+        main: 'sha-90dd603',
+        partial: ['nightly'],
+        latest: false
+      } as Version,
+      [
+        'org/app:sha-90dd603',
+        'org/app:nightly',
+        'ghcr.io/user/app:sha-90dd603',
+        'ghcr.io/user/app:nightly'
+      ],
+      [
+        "org.opencontainers.image.title=Hello-World",
+        "org.opencontainers.image.description=This your first repo!",
+        "org.opencontainers.image.url=https://github.com/octocat/Hello-World",
+        "org.opencontainers.image.source=https://github.com/octocat/Hello-World",
+        "org.opencontainers.image.version=sha-90dd603",
+        "org.opencontainers.image.created=2020-01-10T00:30:00.000Z",
+        "org.opencontainers.image.revision=90dd6032fac8bda1b6c4436a2e65de27961ed071",
+        "org.opencontainers.image.licenses=MIT"
+      ]
+    ],
   ])('given %p with %p event', tagsLabelsTest);
 });
 
@@ -1517,10 +1597,13 @@ describe('raw', () => {
       {
         images: ['user/app'],
         tags: [
-          `type=match,latest=false,pattern=\\d{8}`,
+          `type=match,pattern=\\d{8}`,
           `type=raw,my`,
           `type=raw,custom`,
           `type=raw,tags`
+        ],
+        flavor: [
+          `latest=false`
         ]
       } as Inputs,
       {
@@ -1633,9 +1716,12 @@ describe('raw', () => {
         images: ['user/app'],
         tags: [
           `type=ref,priority=90,event=branch`,
-          `type=raw,latest=true,my`,
+          `type=raw,my`,
           `type=raw,custom`,
           `type=raw,tags`
+        ],
+        flavor: [
+          `latest=true`
         ]
       } as Inputs,
       {
@@ -1787,10 +1873,13 @@ describe('bake', () => {
       {
         images: ['user/app'],
         tags: [
-          `type=match,latest=false,pattern=\\d{8}`,
+          `type=match,pattern=\\d{8}`,
           `type=raw,my`,
           `type=raw,custom`,
           `type=raw,tags`
+        ],
+        flavor: [
+          `latest=false`
         ]
       } as Inputs,
       {
diff --git a/__tests__/tag.test.ts b/__tests__/tag.test.ts
index d336d9d..299b25b 100644
--- a/__tests__/tag.test.ts
+++ b/__tests__/tag.test.ts
@@ -21,7 +21,6 @@ describe('transform', () => {
           attrs: {
             "priority": DefaultPriorities[Type.Schedule],
             "enable": "true",
-            "latest": "auto",
             "prefix": "",
             "suffix": "",
             "pattern": "nightly"
@@ -32,7 +31,6 @@ describe('transform', () => {
           attrs: {
             "priority": DefaultPriorities[Type.Semver],
             "enable": "true",
-            "latest": "auto",
             "prefix": "",
             "suffix": "",
             "pattern": "{{version}}"
@@ -43,7 +41,6 @@ describe('transform', () => {
           attrs: {
             "priority": DefaultPriorities[Type.Match],
             "enable": "true",
-            "latest": "auto",
             "prefix": "",
             "suffix": "",
             "pattern": "\\d{1,3}.\\d{1,3}.\\d{1,3}",
@@ -55,7 +52,6 @@ describe('transform', () => {
           attrs: {
             "priority": DefaultPriorities[Type.Edge],
             "enable": "true",
-            "latest": "auto",
             "prefix": "",
             "suffix": "",
             "branch": ""
@@ -66,7 +62,6 @@ describe('transform', () => {
           attrs: {
             "priority": DefaultPriorities[Type.Ref],
             "enable": "true",
-            "latest": "auto",
             "prefix": "",
             "suffix": "",
             "event": RefEvent.Branch
@@ -77,7 +72,6 @@ describe('transform', () => {
           attrs: {
             "priority": DefaultPriorities[Type.Ref],
             "enable": "true",
-            "latest": "auto",
             "prefix": "",
             "suffix": "",
             "event": RefEvent.Tag
@@ -88,7 +82,6 @@ describe('transform', () => {
           attrs: {
             "priority": DefaultPriorities[Type.Ref],
             "enable": "true",
-            "latest": "auto",
             "prefix": "pr-",
             "suffix": "",
             "event": RefEvent.PR
@@ -99,7 +92,6 @@ describe('transform', () => {
           attrs: {
             "priority": DefaultPriorities[Type.Raw],
             "enable": "true",
-            "latest": "auto",
             "prefix": "",
             "suffix": "",
             "value": "foo"
@@ -110,7 +102,6 @@ describe('transform', () => {
           attrs: {
             "priority": DefaultPriorities[Type.Sha],
             "enable": "true",
-            "latest": "auto",
             "prefix": "sha-",
             "suffix": ""
           }
@@ -142,7 +133,6 @@ describe('parse', () => {
         attrs: {
           "priority": DefaultPriorities[Type.Schedule],
           "enable": "true",
-          "latest": "auto",
           "prefix": "",
           "suffix": "",
           "pattern": "{{date 'YYYYMMDD'}}"
@@ -162,7 +152,6 @@ describe('parse', () => {
         attrs: {
           "priority": DefaultPriorities[Type.Semver],
           "enable": "true",
-          "latest": "auto",
           "prefix": "",
           "suffix": "",
           "pattern": "{{version}}"
@@ -177,7 +166,6 @@ describe('parse', () => {
         attrs: {
           "priority": "1",
           "enable": "true",
-          "latest": "auto",
           "prefix": "",
           "suffix": "",
           "pattern": "{{version}}"
@@ -197,7 +185,6 @@ describe('parse', () => {
         attrs: {
           "priority": DefaultPriorities[Type.Match],
           "enable": "true",
-          "latest": "auto",
           "prefix": "",
           "suffix": "",
           "pattern": "v(.*)",
@@ -213,7 +200,6 @@ describe('parse', () => {
         attrs: {
           "priority": DefaultPriorities[Type.Match],
           "enable": "true",
-          "latest": "auto",
           "prefix": "",
           "suffix": "",
           "pattern": "^v(\\d{1,3}.\\d{1,3}.\\d{1,3})$",
@@ -229,7 +215,6 @@ describe('parse', () => {
         attrs: {
           "priority": "700",
           "enable": "true",
-          "latest": "auto",
           "prefix": "",
           "suffix": "",
           "pattern": "v(.*)",
@@ -250,7 +235,6 @@ describe('parse', () => {
         attrs: {
           "priority": DefaultPriorities[Type.Edge],
           "enable": "true",
-          "latest": "auto",
           "prefix": "",
           "suffix": "",
           "branch": ""
@@ -265,7 +249,6 @@ describe('parse', () => {
         attrs: {
           "priority": DefaultPriorities[Type.Edge],
           "enable": "true",
-          "latest": "auto",
           "prefix": "",
           "suffix": "",
           "branch": "master"
@@ -280,7 +263,6 @@ describe('parse', () => {
         attrs: {
           "priority": DefaultPriorities[Type.Ref],
           "enable": "true",
-          "latest": "auto",
           "prefix": "",
           "suffix": "",
           "event": RefEvent.Tag
@@ -295,7 +277,6 @@ describe('parse', () => {
         attrs: {
           "priority": DefaultPriorities[Type.Ref],
           "enable": "true",
-          "latest": "auto",
           "prefix": "",
           "suffix": "",
           "event": RefEvent.Branch
@@ -310,7 +291,6 @@ describe('parse', () => {
         attrs: {
           "priority": DefaultPriorities[Type.Ref],
           "enable": "true",
-          "latest": "auto",
           "prefix": "pr-",
           "suffix": "",
           "event": RefEvent.PR
@@ -335,7 +315,6 @@ describe('parse', () => {
         attrs: {
           "priority": DefaultPriorities[Type.Raw],
           "enable": "true",
-          "latest": "auto",
           "prefix": "",
           "suffix": "",
           "value": "acustomtag"
@@ -355,7 +334,6 @@ describe('parse', () => {
         attrs: {
           "priority": DefaultPriorities[Type.Raw],
           "enable": "true",
-          "latest": "auto",
           "prefix": "",
           "suffix": "",
           "value": "acustomtag2"
@@ -370,7 +348,6 @@ describe('parse', () => {
         attrs: {
           "priority": DefaultPriorities[Type.Raw],
           "enable": "true",
-          "latest": "auto",
           "prefix": "",
           "suffix": "",
           "value": "acustomtag4"
@@ -385,7 +362,6 @@ describe('parse', () => {
         attrs: {
           "priority": DefaultPriorities[Type.Raw],
           "enable": "false",
-          "latest": "auto",
           "prefix": "",
           "suffix": "",
           "value": "acustomtag5"
@@ -400,7 +376,6 @@ describe('parse', () => {
         attrs: {
           "priority": DefaultPriorities[Type.Sha],
           "enable": "true",
-          "latest": "auto",
           "prefix": "sha-",
           "suffix": ""
         }
@@ -414,7 +389,6 @@ describe('parse', () => {
         attrs: {
           "priority": DefaultPriorities[Type.Sha],
           "enable": "true",
-          "latest": "auto",
           "prefix": "",
           "suffix": ""
         }
@@ -428,7 +402,6 @@ describe('parse', () => {
         attrs: {
           "priority": DefaultPriorities[Type.Sha],
           "enable": "false",
-          "latest": "auto",
           "prefix": "sha-",
           "suffix": ""
         }
diff --git a/action.yml b/action.yml
index 6ce2702..d7fdf12 100644
--- a/action.yml
+++ b/action.yml
@@ -11,7 +11,10 @@ inputs:
     description: 'List of Docker images to use as base name for tags'
     required: true
   tags:
-    description: 'List of tags as key-value pair (format: type=ref,...)'
+    description: 'List of tags as key-value pair attributes'
+    required: false
+  flavor:
+    description: 'Flavors to apply'
     required: false
   labels:
     description: 'List of custom labels'
diff --git a/dist/index.js b/dist/index.js
index 4f9a0d2..56aa382 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -57,6 +57,7 @@ function getInputs() {
     return {
         images: getInputList('images'),
         tags: getInputList('tags', true),
+        flavor: getInputList('flavor', true),
         labels: getInputList('labels', true),
         sepTags: core.getInput('sep-tags') || `\n`,
         sepLabels: core.getInput('sep-labels') || `\n`,
@@ -97,6 +98,52 @@ exports.asyncForEach = (array, callback) => __awaiter(void 0, void 0, void 0, fu
 
 /***/ }),
 
+/***/ 3716:
+/***/ ((__unused_webpack_module, exports) => {
+
+"use strict";
+
+Object.defineProperty(exports, "__esModule", ({ value: true }));
+exports.Transform = void 0;
+function Transform(inputs) {
+    const flavor = {
+        latest: 'auto',
+        prefix: '',
+        suffix: ''
+    };
+    for (const input of inputs) {
+        const parts = input.split('=', 2);
+        if (parts.length == 1) {
+            throw new Error(`Invalid entry: ${input}`);
+        }
+        switch (parts[0]) {
+            case 'latest': {
+                flavor.latest = parts[1];
+                if (!['auto', 'true', 'false'].includes(flavor.latest)) {
+                    throw new Error(`Invalid latest flavor entry: ${input}`);
+                }
+                break;
+            }
+            case 'prefix': {
+                flavor.prefix = parts[1];
+                break;
+            }
+            case 'suffix': {
+                flavor.suffix = parts[1];
+                break;
+            }
+            default: {
+                throw new Error(`Unknown entry: ${input}`);
+            }
+        }
+    }
+    return flavor;
+}
+exports.Transform = Transform;
+//# sourceMappingURL=flavor.js.map
+
+/***/ }),
+
 /***/ 5928:
 /***/ (function(__unused_webpack_module, exports, __webpack_require__) {
 
@@ -285,6 +332,7 @@ const moment_1 = __importDefault(__webpack_require__(9623));
 const semver = __importStar(__webpack_require__(1383));
 const context_1 = __webpack_require__(3842);
 const tcl = __importStar(__webpack_require__(2829));
+const fcl = __importStar(__webpack_require__(3716));
 const core = __importStar(__webpack_require__(2186));
 class Meta {
     constructor(inputs, context, repo) {
@@ -292,6 +340,7 @@ class Meta {
         this.context = context;
         this.repo = repo;
         this.tags = tcl.Transform(inputs.tags);
+        this.flavor = fcl.Transform(inputs.flavor);
         this.date = new Date();
         this.version = this.getVersion();
     }
@@ -356,7 +405,7 @@ class Meta {
             version.partial.push(vraw);
         }
         if (version.latest == undefined) {
-            version.latest = tag.attrs['latest'] == 'auto' ? false : tag.attrs['latest'] == 'true';
+            version.latest = this.flavor.latest == 'auto' ? false : this.flavor.latest == 'true';
         }
         return version;
     }
@@ -393,7 +442,7 @@ class Meta {
             latest = true;
         }
         if (version.latest == undefined) {
-            version.latest = tag.attrs['latest'] == 'auto' ? latest : tag.attrs['latest'] == 'true';
+            version.latest = this.flavor.latest == 'auto' ? latest : this.flavor.latest == 'true';
         }
         return version;
     }
@@ -422,7 +471,7 @@ class Meta {
             version.partial.push(vraw);
         }
         if (version.latest == undefined) {
-            version.latest = tag.attrs['latest'] == 'auto' ? latest : tag.attrs['latest'] == 'true';
+            version.latest = this.flavor.latest == 'auto' ? latest : this.flavor.latest == 'true';
         }
         return version;
     }
@@ -450,7 +499,7 @@ class Meta {
             version.partial.push(vraw);
         }
         if (version.latest == undefined) {
-            version.latest = tag.attrs['latest'] == 'auto' ? false : tag.attrs['latest'] == 'true';
+            version.latest = this.flavor.latest == 'auto' ? false : this.flavor.latest == 'true';
         }
         return version;
     }
@@ -466,7 +515,7 @@ class Meta {
             version.partial.push(vraw);
         }
         if (version.latest == undefined) {
-            version.latest = tag.attrs['latest'] == 'auto' ? true : tag.attrs['latest'] == 'true';
+            version.latest = this.flavor.latest == 'auto' ? true : this.flavor.latest == 'true';
         }
         return version;
     }
@@ -482,7 +531,7 @@ class Meta {
             version.partial.push(vraw);
         }
         if (version.latest == undefined) {
-            version.latest = tag.attrs['latest'] == 'auto' ? false : tag.attrs['latest'] == 'true';
+            version.latest = this.flavor.latest == 'auto' ? false : this.flavor.latest == 'true';
         }
         return version;
     }
@@ -505,7 +554,7 @@ class Meta {
             version.partial.push(vraw);
         }
         if (version.latest == undefined) {
-            version.latest = tag.attrs['latest'] == 'auto' ? false : tag.attrs['latest'] == 'true';
+            version.latest = this.flavor.latest == 'auto' ? false : this.flavor.latest == 'true';
         }
         return version;
     }
@@ -518,7 +567,7 @@ class Meta {
             version.partial.push(vraw);
         }
         if (version.latest == undefined) {
-            version.latest = tag.attrs['latest'] == 'auto' ? false : tag.attrs['latest'] == 'true';
+            version.latest = this.flavor.latest == 'auto' ? false : this.flavor.latest == 'true';
         }
         return version;
     }
@@ -534,7 +583,7 @@ class Meta {
             version.partial.push(vraw);
         }
         if (version.latest == undefined) {
-            version.latest = tag.attrs['latest'] == 'auto' ? false : tag.attrs['latest'] == 'true';
+            version.latest = this.flavor.latest == 'auto' ? false : this.flavor.latest == 'true';
         }
         return version;
     }
@@ -542,9 +591,15 @@ class Meta {
         if (tag.attrs['prefix'].length > 0) {
             val = `${tag.attrs['prefix']}${val}`;
         }
+        else if (this.flavor.prefix.length > 0) {
+            val = `${this.flavor.prefix}${val}`;
+        }
         if (tag.attrs['suffix'].length > 0) {
             val = `${val}${tag.attrs['suffix']}`;
         }
+        else if (this.flavor.suffix.length > 0) {
+            val = `${this.flavor.suffix}${val}`;
+        }
         return val;
     }
     getTags() {
@@ -618,16 +673,16 @@ var __importDefault = (this && this.__importDefault) || function (mod) {
     return (mod && mod.__esModule) ? mod : { "default": mod };
 };
 Object.defineProperty(exports, "__esModule", ({ value: true }));
-exports.Parse = exports.Transform = exports.DefaultPriorities = exports.RefEvents = exports.RefEvent = exports.Type = void 0;
+exports.Parse = exports.Transform = exports.DefaultPriorities = exports.RefEvent = exports.Type = void 0;
 const sync_1 = __importDefault(__webpack_require__(8750));
 var Type;
 (function (Type) {
-    Type["Raw"] = "raw";
     Type["Schedule"] = "schedule";
     Type["Semver"] = "semver";
     Type["Match"] = "match";
     Type["Edge"] = "edge";
     Type["Ref"] = "ref";
+    Type["Raw"] = "raw";
     Type["Sha"] = "sha";
 })(Type = exports.Type || (exports.Type = {}));
 var RefEvent;
@@ -636,7 +691,6 @@ var RefEvent;
     RefEvent["Tag"] = "tag";
     RefEvent["PR"] = "pr";
 })(RefEvent = exports.RefEvent || (exports.RefEvent = {}));
-exports.RefEvents = Object.keys(RefEvent).map(key => RefEvent[key]);
 exports.DefaultPriorities = {
     [Type.Schedule]: '1000',
     [Type.Semver]: '900',
@@ -743,7 +797,9 @@ function Parse(s) {
             if (!tag.attrs.hasOwnProperty('event')) {
                 throw new Error(`Missing event attribute for ${s}`);
             }
-            if (!exports.RefEvents.includes(tag.attrs['event'])) {
+            if (!Object.keys(RefEvent)
+                .map(k => RefEvent[k])
+                .includes(tag.attrs['event'])) {
                 throw new Error(`Invalid event for ${s}`);
             }
             if (tag.attrs['event'] == RefEvent.PR && !tag.attrs.hasOwnProperty('prefix')) {
@@ -770,9 +826,6 @@ function Parse(s) {
     if (!tag.attrs.hasOwnProperty('priority')) {
         tag.attrs['priority'] = exports.DefaultPriorities[tag.type];
     }
-    if (!tag.attrs.hasOwnProperty('latest')) {
-        tag.attrs['latest'] = 'auto';
-    }
     if (!tag.attrs.hasOwnProperty('prefix')) {
         tag.attrs['prefix'] = '';
     }
@@ -782,9 +835,6 @@ function Parse(s) {
     if (!['true', 'false'].includes(tag.attrs['enable'])) {
         throw new Error(`Invalid value for enable attribute: ${tag.attrs['enable']}`);
     }
-    if (!['auto', 'true', 'false'].includes(tag.attrs['latest'])) {
-        throw new Error(`Invalid value for latest attribute: ${tag.attrs['latest']}`);
-    }
     return tag;
 }
 exports.Parse = Parse;
diff --git a/src/context.ts b/src/context.ts
index 46f3147..22a6e31 100644
--- a/src/context.ts
+++ b/src/context.ts
@@ -9,6 +9,7 @@ let _tmpDir: string;
 export interface Inputs {
   images: string[];
   tags: string[];
+  flavor: string[];
   labels: string[];
   sepTags: string;
   sepLabels: string;
@@ -26,6 +27,7 @@ export function getInputs(): Inputs {
   return {
     images: getInputList('images'),
     tags: getInputList('tags', true),
+    flavor: getInputList('flavor', true),
     labels: getInputList('labels', true),
     sepTags: core.getInput('sep-tags') || `\n`,
     sepLabels: core.getInput('sep-labels') || `\n`,
diff --git a/src/flavor.ts b/src/flavor.ts
new file mode 100644
index 0000000..3ae13b7
--- /dev/null
+++ b/src/flavor.ts
@@ -0,0 +1,42 @@
+export interface Flavor {
+  latest: string;
+  prefix: string;
+  suffix: string;
+}
+
+export function Transform(inputs: string[]): Flavor {
+  const flavor: Flavor = {
+    latest: 'auto',
+    prefix: '',
+    suffix: ''
+  };
+
+  for (const input of inputs) {
+    const parts = input.split('=', 2);
+    if (parts.length == 1) {
+      throw new Error(`Invalid entry: ${input}`);
+    }
+    switch (parts[0]) {
+      case 'latest': {
+        flavor.latest = parts[1];
+        if (!['auto', 'true', 'false'].includes(flavor.latest)) {
+          throw new Error(`Invalid latest flavor entry: ${input}`);
+        }
+        break;
+      }
+      case 'prefix': {
+        flavor.prefix = parts[1];
+        break;
+      }
+      case 'suffix': {
+        flavor.suffix = parts[1];
+        break;
+      }
+      default: {
+        throw new Error(`Unknown entry: ${input}`);
+      }
+    }
+  }
+
+  return flavor;
+}
diff --git a/src/meta.ts b/src/meta.ts
index 844c4e7..e8e85c3 100644
--- a/src/meta.ts
+++ b/src/meta.ts
@@ -5,6 +5,7 @@ import moment from 'moment';
 import * as semver from 'semver';
 import {Inputs, tmpDir} from './context';
 import * as tcl from './tag';
+import * as fcl from './flavor';
 import * as core from '@actions/core';
 import {Context} from '@actions/github/lib/context';
 import {ReposGetResponseData} from '@octokit/types';
@@ -22,6 +23,7 @@ export class Meta {
   private readonly context: Context;
   private readonly repo: ReposGetResponseData;
   private readonly tags: tcl.Tag[];
+  private readonly flavor: fcl.Flavor;
   private readonly date: Date;
 
   constructor(inputs: Inputs, context: Context, repo: ReposGetResponseData) {
@@ -29,6 +31,7 @@ export class Meta {
     this.context = context;
     this.repo = repo;
     this.tags = tcl.Transform(inputs.tags);
+    this.flavor = fcl.Transform(inputs.flavor);
     this.date = new Date();
     this.version = this.getVersion();
   }
@@ -99,7 +102,7 @@ export class Meta {
       version.partial.push(vraw);
     }
     if (version.latest == undefined) {
-      version.latest = tag.attrs['latest'] == 'auto' ? false : tag.attrs['latest'] == 'true';
+      version.latest = this.flavor.latest == 'auto' ? false : this.flavor.latest == 'true';
     }
 
     return version;
@@ -136,7 +139,7 @@ export class Meta {
       latest = true;
     }
     if (version.latest == undefined) {
-      version.latest = tag.attrs['latest'] == 'auto' ? latest : tag.attrs['latest'] == 'true';
+      version.latest = this.flavor.latest == 'auto' ? latest : this.flavor.latest == 'true';
     }
 
     return version;
@@ -167,7 +170,7 @@ export class Meta {
       version.partial.push(vraw);
     }
     if (version.latest == undefined) {
-      version.latest = tag.attrs['latest'] == 'auto' ? latest : tag.attrs['latest'] == 'true';
+      version.latest = this.flavor.latest == 'auto' ? latest : this.flavor.latest == 'true';
     }
 
     return version;
@@ -196,7 +199,7 @@ export class Meta {
       version.partial.push(vraw);
     }
     if (version.latest == undefined) {
-      version.latest = tag.attrs['latest'] == 'auto' ? false : tag.attrs['latest'] == 'true';
+      version.latest = this.flavor.latest == 'auto' ? false : this.flavor.latest == 'true';
     }
 
     return version;
@@ -214,7 +217,7 @@ export class Meta {
       version.partial.push(vraw);
     }
     if (version.latest == undefined) {
-      version.latest = tag.attrs['latest'] == 'auto' ? true : tag.attrs['latest'] == 'true';
+      version.latest = this.flavor.latest == 'auto' ? true : this.flavor.latest == 'true';
     }
 
     return version;
@@ -232,7 +235,7 @@ export class Meta {
       version.partial.push(vraw);
     }
     if (version.latest == undefined) {
-      version.latest = tag.attrs['latest'] == 'auto' ? false : tag.attrs['latest'] == 'true';
+      version.latest = this.flavor.latest == 'auto' ? false : this.flavor.latest == 'true';
     }
 
     return version;
@@ -258,7 +261,7 @@ export class Meta {
       version.partial.push(vraw);
     }
     if (version.latest == undefined) {
-      version.latest = tag.attrs['latest'] == 'auto' ? false : tag.attrs['latest'] == 'true';
+      version.latest = this.flavor.latest == 'auto' ? false : this.flavor.latest == 'true';
     }
 
     return version;
@@ -272,7 +275,7 @@ export class Meta {
       version.partial.push(vraw);
     }
     if (version.latest == undefined) {
-      version.latest = tag.attrs['latest'] == 'auto' ? false : tag.attrs['latest'] == 'true';
+      version.latest = this.flavor.latest == 'auto' ? false : this.flavor.latest == 'true';
     }
 
     return version;
@@ -290,7 +293,7 @@ export class Meta {
       version.partial.push(vraw);
     }
     if (version.latest == undefined) {
-      version.latest = tag.attrs['latest'] == 'auto' ? false : tag.attrs['latest'] == 'true';
+      version.latest = this.flavor.latest == 'auto' ? false : this.flavor.latest == 'true';
     }
 
     return version;
@@ -299,9 +302,13 @@ export class Meta {
   private setFlavor(val: string, tag: tcl.Tag): string {
     if (tag.attrs['prefix'].length > 0) {
       val = `${tag.attrs['prefix']}${val}`;
+    } else if (this.flavor.prefix.length > 0) {
+      val = `${this.flavor.prefix}${val}`;
     }
     if (tag.attrs['suffix'].length > 0) {
       val = `${val}${tag.attrs['suffix']}`;
+    } else if (this.flavor.suffix.length > 0) {
+      val = `${this.flavor.suffix}${val}`;
     }
     return val;
   }
diff --git a/src/tag.ts b/src/tag.ts
index 6b5dd59..8560146 100644
--- a/src/tag.ts
+++ b/src/tag.ts
@@ -1,27 +1,25 @@
 import csvparse from 'csv-parse/lib/sync';
 
 export enum Type {
-  Raw = 'raw',
   Schedule = 'schedule',
   Semver = 'semver',
   Match = 'match',
   Edge = 'edge',
   Ref = 'ref',
+  Raw = 'raw',
   Sha = 'sha'
 }
 
-export interface Tag {
-  type: Type;
-  attrs: Record<string, string>;
-}
-
 export enum RefEvent {
   Branch = 'branch',
   Tag = 'tag',
   PR = 'pr'
 }
 
-export const RefEvents = Object.keys(RefEvent).map(key => RefEvent[key]);
+export interface Tag {
+  type: Type;
+  attrs: Record<string, string>;
+}
 
 export const DefaultPriorities: Record<Type, string> = {
   [Type.Schedule]: '1000',
@@ -132,7 +130,11 @@ export function Parse(s: string): Tag {
       if (!tag.attrs.hasOwnProperty('event')) {
         throw new Error(`Missing event attribute for ${s}`);
       }
-      if (!RefEvents.includes(tag.attrs['event'])) {
+      if (
+        !Object.keys(RefEvent)
+          .map(k => RefEvent[k])
+          .includes(tag.attrs['event'])
+      ) {
         throw new Error(`Invalid event for ${s}`);
       }
       if (tag.attrs['event'] == RefEvent.PR && !tag.attrs.hasOwnProperty('prefix')) {
@@ -160,9 +162,6 @@ export function Parse(s: string): Tag {
   if (!tag.attrs.hasOwnProperty('priority')) {
     tag.attrs['priority'] = DefaultPriorities[tag.type];
   }
-  if (!tag.attrs.hasOwnProperty('latest')) {
-    tag.attrs['latest'] = 'auto';
-  }
   if (!tag.attrs.hasOwnProperty('prefix')) {
     tag.attrs['prefix'] = '';
   }
@@ -172,9 +171,6 @@ export function Parse(s: string): Tag {
   if (!['true', 'false'].includes(tag.attrs['enable'])) {
     throw new Error(`Invalid value for enable attribute: ${tag.attrs['enable']}`);
   }
-  if (!['auto', 'true', 'false'].includes(tag.attrs['latest'])) {
-    throw new Error(`Invalid value for latest attribute: ${tag.attrs['latest']}`);
-  }
 
   return tag;
 }