initial commit

action.yml

@@ -0,0 +1,102 @@
+name: 'Push Docker Tags'
+description: 'Tag and push Docker images based on git context'
+
+inputs:
+  registry:
+    description: 'Docker registry URL'
+    required: true
+  registry-username:
+    description: 'Docker registry username'
+    required: true
+  registry-password:
+    description: 'Docker registry password'
+    required: true
+  image-name:
+    description: 'Full image name (e.g., phundrak/my-app)'
+    required: true
+  local-image:
+    description: 'Local image to tag and push'
+    required: true
+  event-name:
+    description: 'GitHub/Gitea event name (pass github.event_name)'
+    required: true
+  ref:
+    description: 'Git ref (pass github.ref)'
+    required: true
+  ref-type:
+    description: 'Git ref type (pass github.ref_type)'
+    required: true
+  ref-name:
+    description: 'Git ref name (pass github.ref_name)'
+    required: true
+  pr-number:
+    description: 'Pull request number (pass github.event.pull_request.number)'
+    required: false
+    default: ''
+
+outputs:
+  pushed-tags:
+    description: 'Space-separated list of tags that were pushed'
+    value: ${{ steps.push.outputs.tags }}
+
+runs:
+  using: composite
+  steps:
+    - name: Log in to Docker Registry
+      shell: bash
+      run: |
+        echo "${{ inputs.registry-password }}" | docker login ${{ inputs.registry }} -u ${{ inputs.registry-username }} --password-stdin
+
+    - name: Determine tags and push images
+      id: push
+      shell: bash
+      run: |
+        set -euo pipefail
+
+        REGISTRY="${{ inputs.registry }}"
+        IMAGE_NAME="${{ inputs.image-name }}"
+        LOCAL_IMAGE="${{ inputs.local-image }}"
+        PUSHED_TAGS=""
+
+        echo "Event: ${{ inputs.event-name }}"
+        echo "Ref: ${{ inputs.ref }}"
+        echo "Ref type: ${{ inputs.ref-type }}"
+
+        push_tag() {
+          local tag="$1"
+          echo "Tagging and pushing: ${REGISTRY}/${IMAGE_NAME}:${tag}"
+          docker tag "${LOCAL_IMAGE}" "${REGISTRY}/${IMAGE_NAME}:${tag}"
+          docker push "${REGISTRY}/${IMAGE_NAME}:${tag}"
+          PUSHED_TAGS="${PUSHED_TAGS}${tag} "
+        }
+
+        if [[ "${{ inputs.event-name }}" == "push" && "${{ inputs.ref-type }}" == "tag" ]]; then
+          TAG_VERSION="${{ inputs.ref-name }}"
+          TAG_VERSION="${TAG_VERSION#v}"
+          push_tag "latest"
+          push_tag "${TAG_VERSION}"
+
+        elif [[ "${{ inputs.event-name }}" == "push" && "${{ inputs.ref }}" == "refs/heads/develop" ]]; then
+          push_tag "develop"
+
+        elif [[ "${{ inputs.event-name }}" == "pull_request" ]]; then
+          if [[ -z "${{ inputs.pr-number }}" ]]; then
+            echo "::error::PR number is required for pull_request events"
+            exit 1
+          fi
+          push_tag "pr${{ inputs.pr-number }}"
+
+        elif [[ "${{ inputs.event-name }}" == "push" && "${{ inputs.ref }}" == "refs/heads/main" ]]; then
+          push_tag "latest"
+
+        else
+          echo "::error::Unknown event or ref combination: event=${{ inputs.event-name }}, ref=${{ inputs.ref }}"
+          exit 1
+        fi
+
+        echo "tags=${PUSHED_TAGS}" >> "$GITHUB_OUTPUT"
+
+    - name: Log out from Docker Registry
+      if: always()
+      shell: bash
+      run: docker logout ${{ inputs.registry }}