Create and update tag on every push

.github/workflows/publish-ghcr.yml

@@ -1,4 +1,3 @@
-#
 name: Create and publish a Docker image to ghcr
 
 on:
@@ -22,39 +21,78 @@ jobs:
       packages: write
       attestations: write
       id-token: write
-      #
+
     steps:
       - name: Checkout repository
         uses: actions/checkout@v4
-      # Uses the `docker/login-action` action to log in to the Container registry registry using the account and password that will publish the packages. Once published, the packages are scoped to the account defined here.
+        with:
+          fetch-depth: 0 # Fetch full history for versioning
+
+      # Generate a version number based on commits
+      - name: Generate version
+        id: version
+        run: |
+          # Get the latest tag or use 0.0.0 if no tags exist
+          LATEST_TAG=$(git describe --tags --abbrev=0 2>/dev/null || echo "0.0.0")
+
+          # Count commits since the latest tag
+          COMMIT_COUNT=$(git rev-list --count ${LATEST_TAG}..HEAD)
+
+          # Split the latest tag into major, minor, patch
+          IFS='.' read -r MAJOR MINOR PATCH <<< "${LATEST_TAG#v}"
+
+          # Increment patch version
+          PATCH=$((PATCH + 1))
+
+          # Construct new version
+          NEW_VERSION="v${MAJOR}.${MINOR}.${PATCH}-${COMMIT_COUNT}"
+
+          echo "version=${NEW_VERSION}" >> $GITHUB_OUTPUT
+          echo "Generated version: ${NEW_VERSION}"
+
+      # Uses the `docker/login-action` action to log in to the Container registry registry using the account and password that will publish the packages.
       - name: Log in to the Container registry
-        uses: docker/login-action@65b78e6e13532edd9afa3aa52ac7964289d1a9c1
+        uses: docker/login-action@v3
         with:
           registry: ${{ env.REGISTRY }}
           username: ${{ github.actor }}
           password: ${{ secrets.GITHUB_TOKEN }}
-      # This step uses [docker/metadata-action](https://github.com/docker/metadata-action#about) to extract tags and labels that will be applied to the specified image. The `id` "meta" allows the output of this step to be referenced in a subsequent step. The `images` value provides the base name for the tags and labels.
+
+      # Extract metadata for Docker image
       - name: Extract metadata (tags, labels) for Docker
         id: meta
-        uses: docker/metadata-action@9ec57ed1fcdbf14dcef7dfbe97b2010124a938b7
+        uses: docker/metadata-action@v5
         with:
           images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
-      # This step uses the `docker/build-push-action` action to build the image, based on your repository's `Dockerfile`. If the build succeeds, it pushes the image to GitHub Packages.
-      # It uses the `context` parameter to define the build's context as the set of files located in the specified path. For more information, see "[Usage](https://github.com/docker/build-push-action#usage)" in the README of the `docker/build-push-action` repository.
-      # It uses the `tags` and `labels` parameters to tag and label the image with the output from the "meta" step.
+          tags: |
+            type=raw,value=${{ steps.version.outputs.version }}
+            type=raw,value=latest
+
+      # Build and push Docker image
       - name: Build and push Docker image
         id: push
-        uses: docker/build-push-action@f2a1d5e99d037542a71f64918e516c093c6f3fc4
+        uses: docker/build-push-action@v5
         with:
           context: .
           push: true
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}
+          # Optional: Add build arguments if needed
+          # build-args: |
+          #   VERSION=${{ steps.version.outputs.version }}
 
-      # This step generates an artifact attestation for the image, which is an unforgeable statement about where and how it was built. It increases supply chain security for people who consume the image. For more information, see "[AUTOTITLE](/actions/security-guides/using-artifact-attestations-to-establish-provenance-for-builds)."
+      # Generate artifact attestation
       - name: Generate artifact attestation
         uses: actions/attest-build-provenance@v1
         with:
           subject-name: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME}}
           subject-digest: ${{ steps.push.outputs.digest }}
           push-to-registry: true
+
+      # Optional: Create a tag in the repository
+      - name: Create tag
+        run: |
+          git config user.name github-actions
+          git config user.email [email protected]
+          git tag ${{ steps.version.outputs.version }}
+          git push origin ${{ steps.version.outputs.version }}