multi arch build

Author: jphenow

.github/workflows/build-and-push.yml

@@ -6,7 +6,8 @@ on:
       - main
 
 env:
-  IMAGE_NAME: flyio/mpg-operator-postgres
+  REGISTRY: ghcr.io
+  IMAGE_NAME: ${{ github.repository }}/mpg-operator-postgres
 
 jobs:
   build-and-push:
@@ -19,35 +20,39 @@ jobs:
       - name: Checkout repository
         uses: actions/checkout@v4
 
+      # Set up QEMU for multi-architecture support
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
+        with:
+          platforms: linux/amd64,linux/arm64
 
-      - name: Login to DockerHub
-        if: github.event_name != 'pull_request'
-        uses: docker/login-action@v1
+      - name: Log in to the Container registry
+        uses: docker/login-action@v3
         with:
-          username: ${{ secrets.FLYIOBUILDS_DOCKERHUB_USERNAME }}
-          password: ${{ secrets.FLYIOBUILDS_DOCKERHUB_TOKEN }}
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
 
       - name: Extract metadata for Docker
         id: meta
         uses: docker/metadata-action@v5
         with:
-          images: ${{ env.IMAGE_NAME }}
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
           tags: |
             type=raw,value=latest
             type=sha,format=short
+            type=raw,value={{date 'YYYYMMDD'}}
 
       - name: Build and push Docker image
         uses: docker/build-push-action@v5
-        id: docker_build
         with:
           context: .
+          platforms: linux/amd64,linux/arm64
           push: true
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}
           cache-from: type=gha
           cache-to: type=gha,mode=max
-
-      - name: Image digest
-        run: echo ${{ steps.docker_build.outputs.digest }}

README.md

@@ -8,6 +8,7 @@ This Docker image extends `percona/percona-postgresql-operator:2.6.0-ppg16.8-pos
 - Uses a root-to-user approach to ensure proper privileges for OOM adjustment
 - Intelligently identifies and protects the PostgreSQL postmaster process
 - Preserves the original container entrypoint and behavior
+- Multi-architecture support (amd64/x86_64 and arm64/aarch64)
 
 ## How It Works
 
@@ -44,16 +45,19 @@ docker run -d --name postgres oom-protected-postgres
 
 This repository includes a GitHub Action that automatically builds and pushes the Docker image to GitHub Container Registry (ghcr.io) whenever changes are pushed to the main branch.
 
-### Automated Builds
+### Automated Multi-Architecture Builds
 
 The workflow:
-1. Builds the Docker image
-2. Tags it with both `latest` and the short commit SHA
-3. Pushes it to GitHub Container Registry
+1. Builds the Docker image for multiple architectures (amd64 and arm64)
+2. Tags it with:
+   - `latest` tag
+   - Short SHA of the commit (e.g., `sha-a1b2c3d`)
+   - Date in YYYYMMDD format
+3. Pushes it to GitHub Container Registry as a multi-architecture manifest
 
 ### Using the Pre-built Image
 
-Once built, you can pull the image directly:
+Once built, you can pull the image directly, and Docker will automatically select the right architecture for your system:
 
 ```bash
 docker pull ghcr.io/[your-username]/mpg-postgres-image/oom-protected-postgres:latest