automating multi-platform builds

.github/workflows/docker-autobuild.yml

@@ -4,50 +4,33 @@ on: [push]
 
 jobs:
   
-  build-upload:
+  buildx:
     name: Build Muilti-Platform Image and Upload to Docker Hub
     runs-on: ubuntu-latest
     steps:
-    - 
-      name: Build Docker buildx
-      run: |
-        export DOCKER_CLI_EXPERIMENTAL=enabled
-        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
+      -
+        name: Checkout Repo
+        uses: actions/checkout@v1
 
-    - 
-      name: Docker Version
-      run: |
-        echo "DOCKER VERSION:"
-        docker version
-        echo "BUILDX VERSION:"
-        docker buildx version
+      -
+        name: Setup Docker Buildx
+        uses: crazy-max/ghaction-docker-buildx@v1
 
-    - 
-      name: Checkout Repo
-      uses: actions/checkout@v1
+      -
+        name: Available Platforms
+        run: echo ${{ steps.buildx.outputs.platforms }}
 
-    - 
-      name: Create Builder Instance
-      run: |
-        docker run --rm --privileged docker/binfmt:66f9012c56a8316f9244ffd7622d7c21c1f6f28d
-        docker buildx create --use --name mybuilder
+      -
+        name: Build and Upload
+        env:
+          DOCKER_TOKEN: ${{ secrets.DOCKER_TOKEN }}
+        run: |
+          # Variables
+          TAG=$(date +%y.%m)
+          NAME=silentdigit/letsencrypt
 
-    - 
-      name: Build and Upload
-      env:
-        DOCKER_TOKEN: ${{ secrets.DOCKER_TOKEN }}
-      run: |
-        # Variables
-        TAG=$(date +%y.%m)
-        NAME=silentdigit/letsencrypt
+          # Build image as TAG version
+          docker buildx build -t ${NAME}:${TAG} --platform linux/386,linux/amd64,linux/arm/v6,linux/arm/v7,linux/arm64,linux/ppc64le,linux/s390x --push .
 
-        # Build image
-        docker build --tag ${NAME}:${TAG} .
-
-        # Build image as TAG version
-        docker buildx build -t ${NAME}:${TAG} --platform=linux/arm,linux/arm64,linux/amd64 . --push
-
-        # Build image as latest version
-        docker buildx build -t ${NAME}:latest --platform=linux/arm,linux/arm64,linux/amd64 . --push
+          # Build image as latest version
+          docker buildx build -t ${NAME}:latest --platform linux/386,linux/amd64,linux/arm/v6,linux/arm/v7,linux/arm64,linux/ppc64le,linux/s390x --push .