releaser.yml

name: releaser
on:
  workflow_dispatch:
  push:
    branches:
      - master
    tags:
      - 'v*'
    paths-ignore:
      - README.md
      - .github/**
      - .vscode/**
      - '!.github/workflows/**'
  # schedule:
  #   - cron: 33 17 * * *
  release:
    types: [created]

env:
  # Use docker.io for Docker Hub if empty
  REGISTRY: ghcr.io
  # github.repository as <account>/<repo>
  IMAGE_NAME: ${{ github.repository }}

jobs:
  build:
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write

    steps:
      - name: Checkout repository
        uses: actions/checkout@v3

      - name: Install cosign
        if: github.event_name != 'pull_request'
        uses: sigstore/cosign-installer@v3
        with:
          cosign-release: 'v2.1.1'

      - name: Setup Docker buildx
        uses: docker/setup-buildx-action@v2

      # https://github.com/docker/login-action
      - name: Login to registry
        uses: docker/login-action@v2
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      # https://github.com/docker/metadata-action
      - name: Extract metadata (tags, labels) for Docker
        id: meta
        uses: docker/metadata-action@v4
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
          tags: |
            type=raw,value=latest,enable={{is_default_branch}}
            type=ref,enable=true,priority=600,prefix=,suffix=,event=branch
            type=ref,enable=true,priority=600,prefix=,suffix=,event=tag
            type=ref,enable=true,priority=600,prefix=pr-,suffix=,event=pr

      - uses: docker/build-push-action@v4
        with:
          context: .
          push: ${{ github.event_name != 'pull_request' }}
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          cache-from: type=gha
          cache-to: type=gha,mode=max
          file: ./Dockerfile
          platforms: linux/386,linux/amd64,linux/arm/v7,linux/arm64/v8