multiarch (#53)

Author: marc-hanheide

.github/workflows/container-build.yml

@@ -13,87 +13,20 @@ on:
 jobs:
   build-docker-image:
     if: github.repository_owner == 'LCAS'
-    runs-on: lcas
+    runs-on: 
+      - lcas
+      - qemu
     strategy:
       fail-fast: false
       matrix:
         include:
-          - base_image: lcas.lincoln.ac.uk/lcas/limo_platform_amd64:1
+          - base_image: lcas.lincoln.ac.uk/lcas/limo_platform:1
             push_image: lcas.lincoln.ac.uk/devcontainer/ros2-teaching
 
     steps:
     - name: Node Js
       uses: actions/setup-node@v4
-      with:
-        node-version: "^16.13.0 || >=18.0.0"
-
-    - uses: actions/checkout@v3
-      with:
-        fetch-depth: 1
-        submodules: 'recursive'
-
-    - name: What
-      run: echo "BRANCH=${GITHUB_REF##*/}" >> $GITHUB_ENV
-
-    - name: Docker Login LCAS
-      uses: docker/login-action@v3
-      with:
-        registry: lcas.lincoln.ac.uk
-        username: ${{ secrets.LCAS_REGISTRY_PUSHER }}
-        password: ${{ secrets.LCAS_REGISTRY_TOKEN }}
-
-    - name: Docker meta
-      id: meta_public
-      uses: docker/metadata-action@v5
-      with:
-        # list of Docker images to use as base name for tags
-        images: |
-          ${{ matrix.push_image }}
-          ${{ matrix.push_image }}-amd64
-        # generate Docker tags based on the following events/attributes
-        tags: |
-          type=raw,value=staging
-          type=raw,enable=${{ github.event_name != 'pull_request' }},value=latest
-          type=ref,enable=${{ github.event_name != 'pull_request' }},event=branch
-          type=semver,pattern={{version}}
-          type=semver,pattern={{major}}.{{minor}}
-          type=semver,pattern={{major}}        
-
-    - name: Build Public Docker Image
-      uses: docker/build-push-action@v6
-      with:
-        context: .
-        file: .devcontainer/Dockerfile
-        platforms: linux/amd64
-        pull: true
-        push: true
-        tags: ${{ steps.meta_public.outputs.tags }}
-        labels: ${{ steps.meta_public.outputs.labels }}
-        target: compiled
-        build-args: |
-            BASE_IMAGE=${{ matrix.base_image }}
-            BRANCH=${{ env.BRANCH }}
-
-
-  build-arm-docker-image:
-    if: github.repository_owner == 'LCAS'
-    runs-on: 
-      - lcas-runc
-      - runc
-    strategy:
-      fail-fast: false
-      matrix:
-        include:
-          - base_image: lcas.lincoln.ac.uk/lcas/limo_platform_arm64:1
-            ros_distro: humble
-            push_image: lcas.lincoln.ac.uk/devcontainer/ros2-teaching-arm64
 
-    steps:
-    - name: Node Js
-      uses: actions/setup-node@v4
-      with:
-        node-version: "^16.13.0 || >=18.0.0"
-
     - uses: actions/checkout@v3
       with:
         fetch-depth: 1
@@ -108,20 +41,21 @@ jobs:
         registry: lcas.lincoln.ac.uk
         username: ${{ secrets.LCAS_REGISTRY_PUSHER }}
         password: ${{ secrets.LCAS_REGISTRY_TOKEN }}
-
+ 
+    - name: "image name from repo name"
+      id: docker_image_name
+      run: echo "docker_image=${{ github.repository }}" | tr '[:upper:]' '[:lower:]' |sed 's/[^0-9,a-z,A-Z,=,_,\/]/-/g' >>${GITHUB_OUTPUT}
+  
     - name: Docker meta
       id: meta_public
       uses: docker/metadata-action@v5
       with:
-        flavor: |
-          latest=false
         # list of Docker images to use as base name for tags
         images: |
           ${{ matrix.push_image }}
         # generate Docker tags based on the following events/attributes
         tags: |
           type=raw,value=staging
-          type=raw,enable=${{ github.event_name != 'pull_request' }},value=latest
           type=ref,enable=${{ github.event_name != 'pull_request' }},event=branch
           type=semver,pattern={{version}}
           type=semver,pattern={{major}}.{{minor}}
@@ -132,13 +66,13 @@ jobs:
       with:
         context: .
         file: .devcontainer/Dockerfile
-        platforms: linux/arm64
-        pull: true
+        platforms: linux/amd64,linux/arm64
         push: true
+        cache-from: type=registry,ref=lcas.lincoln.ac.uk/cache/${{ steps.docker_image_name.outputs.docker_image }}:latest
+        cache-to: type=registry,ref=lcas.lincoln.ac.uk/cache/${{ steps.docker_image_name.outputs.docker_image }}:latest,mode=max
         tags: ${{ steps.meta_public.outputs.tags }}
         labels: ${{ steps.meta_public.outputs.labels }}
         target: compiled
         build-args: |
             BASE_IMAGE=${{ matrix.base_image }}
             BRANCH=${{ env.BRANCH }}
-