Merge pull request #361 from crazy-max/custom-annotations

custom annotations support

Author: tonistiigi

.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)
 
@@ -293,16 +293,18 @@ 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                                                        |
+| `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
     ],