build.yml

name: "Build"
on:
  workflow_dispatch:
  push:
    branches:
      - master
  schedule:
    # Random time each week.
    - cron:  '52 7 * * 4'

jobs:
  build:
    permissions:
      packages: write
    runs-on: ubuntu-latest
    strategy:
      matrix:
        type:
          - jellyfin
          - jellyfin-web
    env:
      IMAGE: ghcr.io/${{ github.repository }}/${{ matrix.type }}
      CONTEXT: ./src/${{ matrix.type }}
    steps:
      - uses: docker/setup-buildx-action@v2
        with:
          install: true
          version: latest
      - uses: docker/login-action@v2
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}
      - uses: docker/metadata-action@v4
        id: meta
        with:
          images: ${{ env.IMAGE }}
          tags: |
            type=schedule,pattern=weekly
            type=schedule,pattern=weekly-{{date 'YYYYMMDD'}}
            type=ref,event=branch
            type=ref,event=tag
            type=ref,event=pr
            type=sha,prefix=sha-,format=short
            type=raw,value=latest,enable={{is_default_branch}}
      - uses: actions/checkout@v3
        with:
          submodules: true
      - uses: docker/build-push-action@v4
        id: build
        with:
          file: ${{ env.CONTEXT }}/Dockerfile
          context: ${{ env.CONTEXT }}
          push: true
          pull: true
          cache-from: ${{ format('type=registry,ref={0}:cache', env.IMAGE) || ''}}
          cache-to: ${{ format('type=registry,ref={0}:cache,mode=max', env.IMAGE) || ''}}
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}