From 9411333865c5143f0bc47adc2b281e7a2568041a Mon Sep 17 00:00:00 2001
From: Edward Cheng <edward@cheng.sydney>
Date: Fri, 30 Aug 2024 01:21:13 +1000
Subject: [PATCH] test docker build and merge

---
 .../workflows/build-and-publish-develop.yml   | 102 +++++++++++++++++-
 1 file changed, 101 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/build-and-publish-develop.yml b/.github/workflows/build-and-publish-develop.yml
index 7c6a2bf..11f7e71 100644
--- a/.github/workflows/build-and-publish-develop.yml
+++ b/.github/workflows/build-and-publish-develop.yml
@@ -34,4 +34,104 @@ jobs:
         run: |
           mvn -B deploy \
             -P homelab \
-            --settings=${{ github.workspace }}/.mvn/settings.xml
\ No newline at end of file
+            --settings=${{ github.workspace }}/.mvn/settings.xml
+  build-docker:
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        platform:
+          - linux/amd64
+          - linux/arm64
+    steps:
+      - name: Prepare
+        run: |
+          platform=${{ matrix.platform }}
+          echo "PLATFORM_PAIR=${platform//\//-}" >> $GITHUB_ENV
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+      - uses: actions/setup-java@v4.2.2
+        with:
+          distribution: zulu
+          java-version: 17
+      - name: Maven Package
+        env:
+          NEXUS_USERNAME: 'edward'
+          NEXUS_PASSWORD: ${{ secrets.NEXUS_PASSWORD }}
+          SNAPSHOT_DEPLOYMENT_REPOSITORY_URL: ${{ secrets.SNAPSHOT_DEPLOYMENT_REPOSITORY_URL }}
+          RELEASE_DEPLOYMENT_REPOSITORY_URL: ${{ secrets.RELEASE_DEPLOYMENT_REPOSITORY_URL }}
+        run: |
+          mvn -B package \
+            -P homelab \
+            --settings=${{ github.workspace }}/.mvn/settings.xml
+            - name: Docker meta
+      - id: Setup Docker Metadata
+        uses: docker/metadata-action@v5
+        with:
+          images: ${{ env.REGISTRY_IMAGE }}
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+      - name: Login to Docker Hub
+        uses: docker/login-action@v3
+        with:
+          username: ${{ vars.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+      - name: Build and push by digest
+        id: build
+        uses: docker/build-push-action@v6
+        with:
+          platforms: ${{ matrix.platform }}
+          labels: ${{ steps.meta.outputs.labels }}
+          outputs: type=image,name=${{ env.REGISTRY_IMAGE }},push-by-digest=true,name-canonical=true,push=true
+      - name: Export digest
+        run: |
+          mkdir -p /tmp/digests
+          digest="${{ steps.build.outputs.digest }}"
+          touch "/tmp/digests/${digest#sha256:}"
+      - name: Upload digest
+        uses: actions/upload-artifact@v4
+        with:
+          name: digests-${{ env.PLATFORM_PAIR }}
+          path: /tmp/digests/*
+          if-no-files-found: error
+          retention-days: 1
+  merge-docker:
+    runs-on: ubuntu-latest
+    needs:
+      - build-docker
+    steps:
+      - name: Download digests
+        uses: actions/download-artifact@v4
+        with:
+          path: /tmp/digests
+          pattern: digests-*
+          merge-multiple: true
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+      - name: Docker meta
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ${{ env.REGISTRY_IMAGE }}
+          # generate Docker tags based on the following events/attributes
+          tags: |
+            type=schedule,{{date 'YYYYMMDD'}}
+            type=ref,event=branch
+            type=semver,pattern={{version}}
+            type=semver,pattern={{major}}.{{minor}}
+            type=semver,pattern={{major}}
+            type=sha
+      - name: Login to Docker Hub
+        uses: docker/login-action@v3
+        with:
+          username: ${{ vars.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+      - name: Create manifest list and push
+        working-directory: /tmp/digests
+        run: |
+          docker buildx imagetools create $(jq -cr '.tags | map("-t " + .) | join(" ")' <<< "$DOCKER_METADATA_OUTPUT_JSON") \
+            $(printf '${{ env.REGISTRY_IMAGE }}@sha256:%s ' *)
+      - name: Inspect image
+        run: |
+          docker buildx imagetools inspect ${{ env.REGISTRY_IMAGE }}:${{ steps.meta.outputs.version }}
\ No newline at end of file