Modernize publish workflow with official Docker actions

Author: ku1ik

.github/workflows/publish.yml

@@ -2,43 +2,50 @@ name: Publish
 
 on:
   push:
-    branches:
-      - main
     tags:
-      - "v*"
+      - "v[0-9]+.[0-9]+.[0-9]+"
 
 env:
   IMAGE_NAME: agg
 
 jobs:
   publish:
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-latest
     permissions:
       packages: write
       contents: read
 
     steps:
       - uses: actions/checkout@v6.0.2
 
-      - name: Build image
-        run: docker build . --file Dockerfile --tag $IMAGE_NAME --label "runnumber=${GITHUB_RUN_ID}"
-
-      - name: Log in to registry
-        run: echo "${{ secrets.GITHUB_TOKEN }}" | docker login ghcr.io -u $ --password-stdin
-
-      - name: Push image
-        run: |
-          IMAGE_ID=ghcr.io/${{ github.repository_owner }}/$IMAGE_NAME
-
-          # Change all uppercase to lowercase
-          IMAGE_ID=$(echo $IMAGE_ID | tr '[A-Z]' '[a-z]')
-          # Strip git ref prefix from version
-          VERSION=$(echo "${{ github.ref }}" | sed -e 's,.*/\(.*\),\1,')
-          # Strip "v" prefix from tag name
-          [[ "${{ github.ref }}" == "refs/tags/"* ]] && VERSION=$(echo $VERSION | sed -e 's/^v//')
-          # Use Docker `latest` tag convention
-          [ "$VERSION" == "main" ] && VERSION=latest
-          echo IMAGE_ID=$IMAGE_ID
-          echo VERSION=$VERSION
-          docker tag $IMAGE_NAME $IMAGE_ID:$VERSION
-          docker push $IMAGE_ID:$VERSION
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v4.0.0
+
+      - name: Log in to GitHub Container Registry
+        uses: docker/login-action@v4.1.0
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Extract image metadata
+        id: meta
+        uses: docker/metadata-action@v6.0.0
+        with:
+          images: ghcr.io/${{ github.repository_owner }}/${{ env.IMAGE_NAME }}
+          flavor: |
+            latest=auto
+          tags: |
+            type=semver,pattern={{version}}
+          labels: |
+            runnumber=${{ github.run_id }}
+
+      - name: Build and push image
+        uses: docker/build-push-action@v7.1.0
+        with:
+          context: .
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          cache-from: type=gha
+          cache-to: type=gha,mode=max