build_docker.yml

name: Build Docker image
on:
  push:
    branches: ["develop"]
    tags: ["v*"]

concurrency: docker

jobs:
  docker:
    name: Build Docker image
    runs-on: ubuntu-latest
    steps:
      - name: Extract Docker metadata
        id: meta
        uses: docker/metadata-action@v4
        with:
          images: ghcr.io/educelab/volume-cartographer
          tags: |
            type=ref,event=pr
            type=semver,pattern={{version}}
            type=semver,pattern={{major}}.{{minor}}
            type=raw,value=edge,enable={{is_default_branch}}

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v2

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v2

      - name: Login to GitHub Container Registry
        if: github.event_name != 'pull_request'
        uses: docker/login-action@v2
        with:
          registry: ghcr.io
          username: ${{ github.repository_owner }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Build and push
        uses: docker/build-push-action@v3
        with:
          build-args: |
            VC_GIT_SHA1=${{ github.sha }}
          push: ${{ github.event_name != 'pull_request' }}
          platforms: linux/amd64,linux/arm64
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          cache-to: type=gha,mode=max
          cache-from: type=gha