feat: change docker.yml to use docker cloud registry

.github/workflows/docker.yml

@@ -20,7 +20,7 @@ on:
       - "go.sum"
 
 env:
-  REGISTRY: ghcr.io
+  DOCKER_IMAGE: milkywaylabs/opinit-bots
 
 jobs:
   opinitd:
@@ -31,33 +31,82 @@ jobs:
       contents: read
       packages: write
 
-    outputs:
-      tags: ${{ steps.meta.outputs.tags }}
-
-    env:
-      IMAGE_NAME: opinitd
-
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
-      - name: Log in to the Container registry
-        uses: docker/login-action@v2
+      - name: Compute diff 📜
+        uses: technote-space/[email protected]
+        id: git_diff
         with:
-          registry: ${{ env.REGISTRY }}
-          username: ${{ github.actor }}
-          password: ${{ secrets.GITHUB_TOKEN }}
+          PATTERNS: |
+            **/**.go
+            go.mod
+            go.sum
 
-      - name: Extract metadata (tags, labels) for Docker
-        id: meta
+      - name: Login to Docker registry 🔑
+        if: env.GIT_DIFF
+        uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_PASSWORD }}
+
+      - name: Set up Docker Buildx 🛠️
+        if: env.GIT_DIFF
+        uses: docker/setup-buildx-action@v3
+        with:
+          version: "lab:latest"
+          driver: cloud
+          endpoint: "milkywaylabs/default"
+          install: true
+
+      - name: Prepare tags 🏷️
+        if: env.GIT_DIFF
+        id: prep-indexer
+        run: |
+          VERSION=edge
+          if [[ $GITHUB_REF == refs/tags/* ]]; then
+            VERSION=${GITHUB_REF#refs/tags/}
+          elif [[ $GITHUB_REF == refs/heads/* ]]; then
+            VERSION=$(echo ${GITHUB_REF#refs/heads/} | sed -r 's#/+#-#g')
+          elif [[ $GITHUB_REF == refs/pull/* ]]; then
+            VERSION=pr-${{ github.event.number }}
+          fi
+          TAGS="${{ env.DOCKER_IMAGE }}:${VERSION},${{ env.DOCKER_IMAGE }}:latest"
+          if [ "${{ github.event_name }}" = "push" ]; then
+            TAGS="$TAGS,${{ env.DOCKER_IMAGE }}:sha-${GITHUB_SHA::8}"
+          fi
+          echo "VERSION=${VERSION}" >> $GITHUB_OUTPUT
+          echo "TAGS=${TAGS}" >> $GITHUB_OUTPUT
+          echo "CREATED=$(date -u +'%Y-%m-%dT%H:%M:%SZ')" >> $GITHUB_OUTPUT
+
+      - name: Extract metadata (tags, labels) for Docker image 🏷️
+        if: env.GIT_DIFF
+        id: meta-indexer
         uses: docker/metadata-action@v4
         with:
-          images: ${{ env.REGISTRY }}/${{ github.repository_owner }}/${{ env.IMAGE_NAME }}
+          images: ${{ env.DOCKER_IMAGE }}
+
+      - name: Cache Docker layers 💾
+        id: cache
+        uses: actions/cache@v3
+        with:
+          path: /tmp/.buildx-cache
+          key: ${{ runner.os }}-buildx-${{ github.sha }}
+          restore-keys: |
+            ${{ runner.os }}-buildx-
 
-      - name: Build and push
-        uses: docker/build-push-action@v4
+      - name: Build 🔧
+        if: env.GIT_DIFF
+        uses: docker/build-push-action@v5
         with:
-          file: Dockerfile
-          push: ${{ startsWith(github.ref, 'refs/tags') }} # push image only for tags
-          tags: ${{ steps.meta.outputs.tags }}
-          labels: ${{ steps.meta.outputs.labels }}
+          context: .
+          file: ./Dockerfile
+          push: ${{ github.event_name != 'pull_request' }}
+          tags: ${{ steps.prep.outputs.TAGS }}
+          labels: |
+            org.opencontainers.image.source=${{ github.event.repository.html_url }}
+            org.opencontainers.image.created=${{ steps.prep.outputs.CREATED }}
+            org.opencontainers.image.revision=${{ github.sha }}
+          cache-from: type=local,src=/tmp/.buildx-cache
+          cache-to: type=local,dest=/tmp/.buildx-cache