docker.yml

name: Build & Push to container registry

on:
  release:
    types: [created]
  push:
    branches:
      - "**"
  pull_request:
    branches:
      - "**"
    paths:
      - "Dockerfile"

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - name: Check Out Repo
        uses: actions/checkout@755da8c3cf115ac066823e79a1e1788f8940201b # v3.2.0

      - name: Set up Docker Buildx
        id: buildx
        uses: docker/setup-buildx-action@8c0edbc76e98fa90f69d9a2c020dcb50019dc325 # v2.2.1

      - name: Login to GitHub Container Registry
        uses: docker/login-action@f4ef78c080cd8ba55a85445d5b36e214a81df20a # v2.1.0
        if: ${{ github.event_name != 'pull_request' }}
        with:
          registry: ghcr.io
          username: ${{ github.repository_owner }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Extract tag name
        id: tags
        if: ${{ github.event_name == 'release' }}
        run: echo ::set-output name=name::${GITHUB_REF##*/}

      - name: Extract flavor
        id: flavor
        run: if [ "${{ github.event_name }}" = "release" ]; then echo ::set-output name=name::; else echo ::set-output name=name::-dev; fi

      - name: Generate Docker image metadata
        uses: docker/metadata-action@57396166ad8aefe6098280995947635806a0e6ea # v4.1.1
        id: img_meta
        with:
          flavor: |
            latest=auto
            suffix=${{ steps.flavor.outputs.name }}
          images: ghcr.io/nezuchan/nezly
          tags: |
            ${{ steps.tags.outputs.name }}
            latest
      - name: Build and push
        id: docker_build
        uses: docker/build-push-action@c56af957549030174b10d6867f20e78cfd7debc5 # v3.2.0
        with:
          context: ./
          tags: ${{ steps.img_meta.outputs.tags }}
          labels: ${{ steps.img_meta.outputs.labels }}
          push: ${{ github.event_name != 'pull_request' }}
          cache-from: type=gha,mode=max
          cache-to: type=gha,mode=max