docker.yaml

# GitHub actions workflow which builds and publishes the docker images.

name: Build and push docker images

on:
  push:
    tags: ["v*"]
    branches: [ main ]
  workflow_dispatch:

permissions:
  contents: read
  packages: write

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v2

      - name: Log in to DockerHub
        uses: docker/login-action@v2
        with:
          username: ${{ secrets.DOCKER_HUB_USERNAME }}
          password: ${{ secrets.DOCKER_HUB_TOKEN }}

      - name: Log in to GHCR
        uses: docker/login-action@v2
        with:
          registry: ghcr.io
          username: ${{ github.repository_owner }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Calculate docker image tag
        id: set-tag
        uses: docker/metadata-action@master
        with:
          images: |
            ghcr.io/${{ github.repository }}
            docker.io/${{ secrets.DOCKER_HUB_USERNAME }}/${{ github.event.repository.name }}
          flavor: |
            latest=false
          tags: |
            type=raw,value=latest,enable=${{ github.ref == 'refs/heads/main' }}
            type=sha,prefix=,format=long
            type=semver,pattern=v{{version}}
            type=semver,pattern=v{{major}}.{{minor}}

      - name: Build and push all platforms
        uses: docker/build-push-action@v4
        with:
          push: true
          labels: "gitsha1=${{ github.sha }}"
          tags: "${{ steps.set-tag.outputs.tags }}"
          platforms: linux/amd64,linux/arm64
          cache-from: type=registry,ref=ghcr.io/${{ github.repository }}:buildcache
          cache-to: type=registry,ref=ghcr.io/${{ github.repository }}:buildcache,mode=max