💚 Fix docker multi arch overwrite issue (#779)

Closes #776

.github/workflows/publish_docker_images.yml

@@ -33,8 +33,7 @@ jobs:
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v2
 
-      - if: github.event_name != 'pull_request'
-        name: Log in to Docker Hub
+      - name: Log in to Docker Hub
         uses: docker/login-action@v2
         with:
           username: ${{ secrets.DOCKER_USERNAME }}
@@ -44,18 +43,29 @@ jobs:
         id: docker_build
         uses: docker/build-push-action@v4
         with:
-          push: ${{ github.event_name != 'pull_request' }}
           context: .
           tags: ${{ steps.image-meta.outputs.tags }}
           labels: ${{ steps.image-meta.outputs.labels }}
+          outputs: type=image,name=baptistearno/typebot-${{ matrix.app }},push-by-digest=true,name-canonical=true,push=true
           platforms: linux/amd64
           cache-from: type=gha
           cache-to: type=gha,mode=max
           build-args: |
             SCOPE=${{ matrix.app }}
 
-      - name: Image digest
-        run: echo ${{ steps.docker_build.outputs.digest }}
+      - name: Export digest
+        run: |
+          mkdir -p /tmp/digests
+          digest="${{ steps.docker_build.outputs.digest }}"
+          touch "/tmp/digests/${digest#sha256:}"
+
+      - name: Upload digest
+        uses: actions/upload-artifact@v3
+        with:
+          name: digests
+          path: /tmp/digests/*
+          if-no-files-found: error
+          retention-days: 1
 
   build-arm:
     env:
@@ -82,8 +92,7 @@ jobs:
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v2
 
-      - if: github.event_name != 'pull_request'
-        name: Log in to Docker Hub
+      - name: Log in to Docker Hub
         uses: docker/login-action@v2
         with:
           username: ${{ secrets.DOCKER_USERNAME }}
@@ -93,15 +102,62 @@ jobs:
         id: docker_build
         uses: docker/build-push-action@v4
         with:
-          push: ${{ github.event_name != 'pull_request' }}
           context: .
           tags: ${{ steps.image-meta.outputs.tags }}
           labels: ${{ steps.image-meta.outputs.labels }}
+          outputs: type=image,name=baptistearno/typebot-${{ matrix.app }},push-by-digest=true,name-canonical=true,push=true
           platforms: linux/arm64
           cache-from: type=gha
           cache-to: type=gha,mode=max
           build-args: |
             SCOPE=${{ matrix.app }}
 
-      - name: Image digest
-        run: echo ${{ steps.docker_build.outputs.digest }}
+      - name: Export digest
+        run: |
+          mkdir -p /tmp/digests
+          digest="${{ steps.docker_build.outputs.digest }}"
+          touch "/tmp/digests/${digest#sha256:}"
+
+      - name: Upload digest
+        uses: actions/upload-artifact@v3
+        with:
+          name: digests
+          path: /tmp/digests/*
+          if-no-files-found: error
+          retention-days: 1
+
+  merge:
+    if: ${{ github.event_name != 'pull_request' }}
+    runs-on: ubuntu-latest
+    needs:
+      - build-amd
+      - build-arm
+    strategy:
+      matrix:
+        app: ['builder', 'viewer']
+    steps:
+      - name: Download digests
+        uses: actions/download-artifact@v3
+        with:
+          name: digests
+          path: /tmp/digests
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v2
+      - name: Docker meta
+        id: meta
+        uses: docker/metadata-action@v4
+        with:
+          images: baptistearno/typebot-${{ matrix.app }}
+      - name: Login to Docker Hub
+        uses: docker/login-action@v2
+        with:
+          username: ${{ secrets.DOCKER_USERNAME }}
+          password: ${{ secrets.DOCKER_PASSWORD }}
+      - name: Create manifest list and push
+        working-directory: /tmp/digests
+        run: |
+          docker buildx imagetools create $(jq -cr '.tags | map("-t " + .) | join(" ")' <<< "$DOCKER_METADATA_OUTPUT_JSON") \
+            $(printf 'baptistearno/typebot-${{ matrix.app }}@sha256:%s ' *)
+      - name: Inspect image
+        run: |
+          docker buildx imagetools inspect baptistearno/typebot-${{ matrix.app }}:${{ steps.meta.outputs.version }}