automating multi-platform builds

.github/workflows/docker-autobuild.yml

@@ -14,22 +14,34 @@ jobs:
 
       -
         name: Setup Docker Buildx
-        uses: crazy-max/ghaction-docker-buildx@v1
+        run: |
+          # Build docker buildx from source
+          export DOCKER_BUILDKIT=1
+          docker build --platform=local -o . git://github.com/docker/buildx
+          mkdir -p ~/.docker/cli-plugins
+          mv buildx ~/.docker/cli-plugins/docker-buildx
+
+          # Docker version information
+          echo "DOCKER VERSION:"
+          docker info
+          echo "BUILDX VERSION:"
+          docker buildx version
+
+          # Install qemu-user-static container
+          docker run --rm --privileged multiarch/qemu-user-static --reset -p yes
+          docker buildx create --name builder --driver docker-container --use
+          docker buildx inspect --bootstrap
 
       -
-        name: Available Platforms
+        name: Build and Push
-        env:
-          VERSIONS: ${{ steps.buildx.outputs.platforms }}
-        run: echo ${VERSIONS}
-
-      -
-        name: Build and Upload
         env:
           DOCKER_TOKEN: ${{ secrets.DOCKER_TOKEN }}
         run: |
           # Variables
           TAG=$(date +%y.%m)
           NAME=silentdigit/letsencrypt
+
+          #Login
           docker login -u silentdigit -p ${DOCKER_TOKEN}
 
           # Build image as TAG version