Multi Arch CI

.github/workflows/main.yml

@@ -0,0 +1,107 @@
+### CI/CD Docker build based on a TOI Base Image
+### Dave Conroy <dave at tiredofit dot ca>
+
+name: 'Build Images'
+
+on:
+  push:
+    paths:
+    - '**'
+    - '!README.md'
+jobs:
+  docker:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+
+      - name: Prepare
+        id: prep
+        run: |
+          DOCKER_IMAGE=${GITHUB_REPOSITORY/docker-/}
+          set -x
+          if [[ $GITHUB_REF == refs/heads/* ]]; then
+            BRANCH=${GITHUB_REF#refs/heads/}
+
+            case ${BRANCH} in
+              "main" | "master" )
+                  BRANCHTAG="${DOCKER_IMAGE}:latest"
+                ;;
+              "develop" )
+                  BRANCHTAG="${DOCKER_IMAGE}:develop"
+                ;;
+              * )
+                  if [ -n "${{ secrets.LATEST }}" ] ; then
+                    if [ "${BRANCHTAG}" = "${{ secrets.LATEST }}" ]; then
+                      BRANCHTAG="${DOCKER_IMAGE}:${BRANCH},${DOCKER_IMAGE}:${BRANCH}-latest,${DOCKER_IMAGE}:latest"
+                    else
+                      BRANCHTAG="${DOCKER_IMAGE}:${BRANCH},${DOCKER_IMAGE}:${BRANCH}-latest"
+                    fi
+                  else
+                    BRANCHTAG="${DOCKER_IMAGE}:${BRANCH},${DOCKER_IMAGE}:${BRANCH}-latest"
+                  fi
+                ;;
+            esac
+          fi
+
+
+          if [[ $GITHUB_REF == refs/tags/* ]]; then
+            GITTAG="${DOCKER_IMAGE}:$(echo $GITHUB_REF | sed 's|refs/tags/||g')"
+            echo "GIT TAG: $GITTAG"
+          fi
+
+          if [ -n "${BRANCHTAG}" ] && [ -n "${GITTAG}" ]; then
+            TAGS=${BRANCHTAG},${GITTAG}
+          else
+            TAGS="${BRANCHTAG}${GITTAG}"
+          fi
+
+          echo ::set-output name=tags::${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: ${{ secrets.DOCKER_PASSWORD }}
+
+      - name: Label
+        id: Label
+        run: |
+          if [ -f "Dockerfile" ] ; then
+            sed -i "/FROM .*/a LABEL image_git_repository=\"https://github.com/${GITHUB_REPOSITORY}\"" Dockerfile
+            sed -i "/FROM .*/a LABEL image_git_commit=\"${GITHUB_SHA}\"" Dockerfile
+            sed -i "/FROM .*/a LABEL image_git_committed_by=\"${GITHUB_ACTOR}\"" Dockerfile
+            sed -i "/FROM .*/a LABEL image_image_build_date=\"$(date +'%Y-%m-%d %H:%M:%S')\"" Dockerfile
+            if [ -f "CHANGELOG.md" ] ; then
+              sed -i "/FROM .*/a LABEL image_git_changelog_version=\"$(head -n1 ./CHANGELOG.md | awk '{print $2}')\"" Dockerfile
+            fi
+
+            if [[ $GITHUB_REF == refs/tags/* ]]; then
+              sed -i "/FROM .*/a LABEL image_git_tag=\"${GITHUB_REF#refs/tags/v}\"" Dockerfile
+            fi
+
+            if [[ $GITHUB_REF == refs/heads/* ]]; then
+              sed -i "/FROM .*/a LABEL image_git_branch=\"${GITHUB_REF#refs/heads/}\"" Dockerfile
+            fi
+          fi
+
+      - name: Build
+        uses: docker/build-push-action@v2
+        with:
+          builder: ${{ steps.buildx.outputs.name }}
+          context: .
+          file: ./Dockerfile
+          platforms: linux/amd64,linux/arm64,linux/arm
+          push: true
+          tags: ${{ steps.prep.outputs.tags }}