core-release-docker.yml

name: Core - Release Docker

on:
  release:
    types: [released]
  workflow_dispatch:

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

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: release/
          version: "tags/${{ github.event.release.tag_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: build and push
        uses: docker/build-push-action@v3
        with:
          context: .
          platforms: linux/amd64,linux/arm64
          file: ./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.substring.outputs.version }}