feat: switch to native arm64 runners for docker ce images (#10789)

Emulated docker arm64 builds are failing for community images. This PR

- Switches gh action to use native arm64 runners
- Merges amd64 and arm64 images to create a multi-arch docker image

Fixes https://github.com/chatwoot/chatwoot/issues/10790

.github/workflows/publish_foss_docker.yml

@@ -5,6 +5,7 @@
 # #
 
 name: Publish Chatwoot CE docker images
+
 on:
   push:
     branches:
@@ -12,23 +13,32 @@ on:
       - master
     tags:
       - v*
-# pull_request:
   workflow_dispatch:
 
+env:
+  DOCKER_REPO: chatwoot/chatwoot
+
 jobs:
   build:
-    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - platform: linux/amd64
+            runner: ubuntu-latest
+          - platform: linux/arm64
+            runner: ubuntu-22.04-arm
+    runs-on: ${{ matrix.runner }}
     env:
-      GIT_REF: ${{ github.head_ref || github.ref_name }} # ref_name to get tags/branches
+      GIT_REF: ${{ github.head_ref || github.ref_name }}
     steps:
       - name: Checkout
         uses: actions/checkout@v4
 
-      - name: Set up QEMU
-        uses: docker/setup-qemu-action@v1
-
-      - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v1
+      - name: Prepare
+        run: |
+          platform=${{ matrix.platform }}
+          echo "PLATFORM_PAIR=${platform//\//-}" >> $GITHUB_ENV
 
       - name: Strip enterprise code
         run: |
@@ -39,29 +49,97 @@ jobs:
         run: |
           echo -en '\nENV CW_EDITION="ce"' >> docker/Dockerfile
 
-      - name: set docker tag
+      - name: Set Docker Tags
         run: |
-          # Replace forward slashes with hyphens in the ref name
           SANITIZED_REF=$(echo "$GIT_REF" | sed 's/\//-/g')
-          echo "DOCKER_TAG=chatwoot/chatwoot:$SANITIZED_REF-ce" >> $GITHUB_ENV
+          if [ "${{ github.ref_name }}" = "master" ]; then
+            echo "DOCKER_TAG=${DOCKER_REPO}:latest-ce" >> $GITHUB_ENV
+          else
+            echo "DOCKER_TAG=${DOCKER_REPO}:${SANITIZED_REF}-ce" >> $GITHUB_ENV
+          fi
 
-      - name: replace docker tag if master
-        if: github.ref_name == 'master'
-        run: |
-          echo "DOCKER_TAG=chatwoot/chatwoot:latest-ce" >> $GITHUB_ENV
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
 
       - name: Login to DockerHub
         if: github.event_name == 'push' || github.event_name == 'workflow_dispatch'
-        uses: docker/login-action@v1
+        uses: docker/login-action@v3
         with:
           username: ${{ secrets.DOCKERHUB_USERNAME }}
           password: ${{ secrets.DOCKERHUB_TOKEN }}
 
-      - name: Build and push
-        uses: docker/build-push-action@v2
+      - name: Build and push by digest
+        id: build
+        uses: docker/build-push-action@v6
         with:
           context: .
           file: docker/Dockerfile
-          platforms: linux/amd64, linux/arm64
+          platforms: ${{ matrix.platform }}
           push: ${{ github.event_name == 'push' || github.event_name == 'workflow_dispatch' }}
-          tags: ${{ env.DOCKER_TAG }}
+          outputs: type=image,name=${{ env.DOCKER_TAG }},push-by-digest=true,name-canonical=true,push=true
+
+      - name: Export digest
+        run: |
+          mkdir -p ${{ runner.temp }}/digests
+          digest="${{ steps.build.outputs.digest }}"
+          touch "${{ runner.temp }}/digests/${digest#sha256:}"
+
+      - name: Upload digest
+        uses: actions/upload-artifact@v4
+        with:
+          name: digests-${{ env.PLATFORM_PAIR }}
+          path: ${{ runner.temp }}/digests/*
+          if-no-files-found: error
+          retention-days: 1
+
+  merge:
+    runs-on: ubuntu-latest
+    needs:
+      - build
+    steps:
+      - name: Download digests
+        uses: actions/download-artifact@v4
+        with:
+          path: ${{ runner.temp }}/digests
+          pattern: digests-*
+          merge-multiple: true
+
+      - name: Login to DockerHub
+        uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Create manifest list and push
+        working-directory: ${{ runner.temp }}/digests
+        env:
+          GIT_REF: ${{ github.head_ref || github.ref_name }}
+        run: |
+          SANITIZED_REF=$(echo "$GIT_REF" | sed 's/\//-/g')
+          if [ "${{ github.ref_name }}" = "master" ]; then
+            TAG="${DOCKER_REPO}:latest-ce"
+          else
+            TAG="${DOCKER_REPO}:${SANITIZED_REF}-ce"
+          fi
+          
+          docker buildx imagetools create -t $TAG \
+            $(printf '${{ env.DOCKER_REPO }}@sha256:%s ' *)
+
+      - name: Inspect image
+        env:
+          GIT_REF: ${{ github.head_ref || github.ref_name }}
+        run: |
+          SANITIZED_REF=$(echo "$GIT_REF" | sed 's/\//-/g')
+          if [ "${{ github.ref_name }}" = "master" ]; then
+            TAG="${DOCKER_REPO}:latest-ce"
+          else
+            TAG="${DOCKER_REPO}:${SANITIZED_REF}-ce"
+          fi
+          
+          docker buildx imagetools inspect $TAG