Docker build changes

.github/workflows/build_docker.yml

@@ -6,11 +6,6 @@ on:
       - main
     tags:
       - v0*
-      - latest
-
-env:
-  REGISTRY: ghcr.io
-  IMAGE_NAME: ${{ github.repository }}-testing
 
 jobs:
   build-and-push-image:
@@ -37,7 +32,7 @@ jobs:
     - name: Log in to GitHub Container Registry
       uses: docker/login-action@v3
       with:
-        registry: ${{ env.REGISTRY }}
+        registry: ghcr.io
         username: ${{ github.actor }}
         password: ${{ secrets.GITHUB_TOKEN }}
 
@@ -45,7 +40,7 @@ jobs:
       id: meta
       uses: docker/metadata-action@v5
       with:
-        images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+        images: ghcr.io/${{ github.repository }}
 
     - name: Build and push Docker image
       uses: docker/build-push-action@v5
@@ -57,3 +52,22 @@ jobs:
         labels: ${{ steps.meta.outputs.labels }}
         cache-from: type=local,src=/tmp/.buildx-cache
         cache-to: type=local,dest=/tmp/.buildx-cache
+
+    - name: Extract metadata (tags, labels) for Docker
+      if: startsWith(github.ref, 'refs/tags/v0')
+      id: publicmeta
+      uses: docker/metadata-action@v5
+      with:
+        images: ghcr.io/${{ github.repository }}-testing
+
+    - name: Build and push Docker image
+      if: startsWith(github.ref, 'refs/tags/v0')
+      uses: docker/build-push-action@v5
+      with:
+        context: .
+        platforms: linux/amd64,linux/arm64
+        push: true
+        tags: ${{ steps.publicmeta.outputs.tags }}
+        labels: ${{ steps.publicmeta.outputs.labels }}
+        cache-from: type=local,src=/tmp/.buildx-cache
+        cache-to: type=local,dest=/tmp/.buildx-cache