feat: initial commit

create-image-manifest/action.yaml

@@ -0,0 +1,87 @@
+name: Docker Create image manifest
+description: Build and push Docker images with Buildx
+author: zertus
+branding:
+  icon: 'anchor'
+  color: 'blue'
+inputs:
+  oci-registry:
+    description: "OCI registry where to pull and push images"
+    required: true
+  oci-registry-username:
+    description: |
+      Username used to log against the OCI registry.
+      See https://github.com/docker/login-action#usage.
+    required: true
+  oci-registry-password:
+    description: |
+      Password or personal access token used to log against the OCI registry.
+      Can be passed in using `secrets.GITHUB_TOKEN`.
+      See https://github.com/docker/login-action#usage.
+    required: true
+  repository:
+    description: |
+      Repository name.
+      Example: `my-org/my-repo`.
+      See [Docker get-image-metadata action](../get-image-metadata/README.md).
+    default: ${{ github.repository }}
+    required: false
+  image:
+    description: |
+      Additional image name.
+      Example: `application`.
+      See [Docker get-image-metadata action](../get-image-metadata/README.md).
+    required: false
+  tag:
+    description: "Image tag to publish"
+    required: false
+  digests:
+    description: |
+      Comma-separated list of image digests to include in the manifest list.
+      Example: `sha256:abc123...,sha256:def456...`.
+    required: true
+runs:
+  using: "composite"
+  steps:
+    - id: get-image-name
+      shell: bash
+      run: |  
+        IMAGE_NAME="${{ inputs.repository }}"
+        
+        if [ -n "${{ inputs.image }}" ]; then
+          IMAGE_NAME="${IMAGE_NAME}/${{ inputs.image }}"
+        fi
+        
+        IMAGE_NAME="${{ inputs.oci-registry }}/${IMAGE_NAME}"
+
+        echo "image-name=$IMAGE_NAME" >> "$GITHUB_OUTPUT"
+
+        if [ -n "${{ inputs.tag }}" ]; then
+          IMAGE_NAME="${IMAGE_NAME}:${{ inputs.tag }}"
+        fi
+
+        echo "fully-qualified-image-name=$IMAGE_NAME" >> "$GITHUB_OUTPUT"
+    - uses: docker/login-action@5e57cd118135c172c3672efd75eb46360885c0ef # v3.6.0
+      with:
+        registry: ${{ inputs.oci-registry }}
+        username: ${{ inputs.oci-registry-username }}
+        password: ${{ inputs.oci-registry-password }}
+    - uses: docker/setup-buildx-action@8d2750c68a42422c14e847fe6c8ac0403b4cbd6f # v3.12.0
+      id: setup-buildx
+      with:
+        version: v0.30.1
+        driver-opts: |
+          image=moby/buildkit:v0.26.3
+    - id: create-image-manifest
+      shell: bash
+      run: |
+        BASE_IMAGE="${{ steps.get-image-name.outputs.image-name }}"
+        
+        SOURCES=""
+        IFS=',' read -ra ADDR <<< "${{ inputs.digests }}"
+        for digest in "${ADDR[@]}"; do
+          digest=$(echo "$digest" | xargs)
+          SOURCES="$SOURCES ${BASE_IMAGE}@${digest}"
+        done
+
+        docker buildx imagetools create -t "${{ steps.get-image-name.outputs.fully-qualified-image-name }}" $SOURCES