supporting multi-arch

Author: jkyberneees

.github/workflows/build_images.yaml

@@ -0,0 +1,64 @@
+---
+name: 'build images'
+
+on:
+ push:
+ branches:
+ - master
+
+jobs:
+ docker:
+ runs-on: ubuntu-latest
+ steps:
+ - name: Checkout
+ uses: actions/checkout@v2
+
+ - name: Prepare
+ id: prep
+ run: |
+ DOCKER_IMAGE=${{ secrets.DOCKER_USERNAME }}/${GITHUB_REPOSITORY#*/}
+ VERSION=latest
+ # SHORTREF=${GITHUB_SHA::8}
+
+ # If this is git tag, use the tag name as a docker tag
+ if [[ $GITHUB_REF == refs/tags/* ]]; then
+ VERSION=${GITHUB_REF#refs/tags/v}
+ TAGS="${DOCKER_IMAGE}:${VERSION}-alpine"
+ fi
+
+ # If the VERSION looks like a version number, assume that
+ # this is the most recent version of the image and also
+ # tag it 'latest'.
+ if [[ $VERSION =~ ^[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$ ]]; then
+ TAGS="$TAGS,${DOCKER_IMAGE}:latest"
+ fi
+
+ # Set output parameters.
+ echo ::set-output name=tags::${TAGS}
+ echo ::set-output name=docker_image::${DOCKER_IMAGE}
+
+ - name: Set up QEMU
+ uses: docker/setup-qemu-action@master
+ with:
+ platforms: all
+
+ - name: Set up Docker Buildx
+ id: buildx
+ uses: docker/setup-buildx-action@master
+
+ - name: Login to DockerHub
+ if: github.event_name != 'pull_request'
+ uses: docker/login-action@v1
+ with:
+ username: ${{ secrets.DOCKER_USERNAME }}
+ password: ${{ secrets.DOCKER_PASSWORD }}
+
+ - name: Build
+ uses: docker/build-push-action@v2
+ with:
+ builder: ${{ steps.buildx.outputs.name }}
+ context: .
+ file: ./Dockerfile
+ platforms: linux/arm64,linux/ppc64le
+ push: true
+ tags: ${{ steps.prep.outputs.tags }}