core-release-docker.yml

name: Core - Release Docker


on:
  release:
    types: [published]
  workflow_dispatch:
    inputs:
      version:
        description: "Release tag to download binaries from, must be an existing release"
        required: true
        type: string
      stable:
        description: "Is this a stable release?"
        required: true
        type: boolean


env:
  REGISTRY: ghcr.io
  IMAGE_NAME: ${{ github.repository }}_core

permissions:
  contents: read
  packages: write

jobs:
  core-release-docker:
    runs-on: ubuntu-latest
    defaults:
      run:
        working-directory: ./core

    steps:
      - name: checkout repository
        uses: actions/checkout@v3
      - name: set up QEMU
        uses: docker/setup-qemu-action@v2
      - name: set up docker buildx
        uses: docker/setup-buildx-action@v2
      - name: log in to the container registry
        uses: docker/login-action@v2
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}
      - id: string_tag
        uses: ASzc/change-string-case-action@v5
        with:
          string: ${{ env.REGISTRY}}/${{ env.IMAGE_NAME }}

      - id: release_asset
        name: Download release assets
        uses: dsaltares/fetch-gh-release-asset@master
        with:
          regex: true
          file: "lodestone_core_.*"
          target: core/release/
          version: "tags/${{ inputs.version || github.ref_name }}"
          token: ${{ secrets.GITHUB_TOKEN }}

      # https://stackoverflow.com/questions/73402042/github-action-expressions-split-string
      - name: set version string
        env:
          VERSION: ${{ steps.release_asset.outputs.version }}
        id: substring
        run: echo "version=${VERSION:1}" >> $GITHUB_OUTPUT

      - name: set docker version label
        env:
          LABEL: ${{ (inputs.stable || !github.event.release.prerelease) && 'latest-stable' || 'latest-beta' }}
        id: release_type
        run: echo "label=${LABEL}" >> $GITHUB_OUTPUT

      - name: build and push
        uses: docker/build-push-action@v3
        with:
          context: ./core
          platforms: linux/amd64,linux/arm64
          file: ./core/githubactions.Dockerfile
          build-args: |
            lodestone_version=${{ steps.release_asset.outputs.version }}
          push: true
          tags: |
            ${{ steps.string_tag.outputs.lowercase }}:latest
            ${{ steps.string_tag.outputs.lowercase }}:${{ steps.release_type.outputs.label }}
            ${{ steps.string_tag.outputs.lowercase }}:${{ steps.substring.outputs.version }}