name: Auto Build Alpine-Edge Docker Container
enable-email-notifications: true

on:
  workflow_dispatch:
  schedule:
    - cron: '16 1 * * *'

jobs:
  build:
    runs-on: dind

    env:
      DOCKER_REGISTRY: git.shork.ch
      REGISTRY_USER: docker-images
      PACKAGE_NAME: alpine-edge
      REPO_URL: "https://dl-cdn.alpinelinux.org/alpine/edge/releases/x86_64"
      YAML_FILE: "latest-releases.yaml"
      IMAGE_NAME: "alpine-edge-minirootfs"


    steps:
      - name: Install dependencies
        shell: sh
        run: |
          echo "Run because of ${{ github.event_name }}"
          apk add --no-cache git nodejs npm bash sed curl jq yq

      - uses: actions/checkout@v3

      - name: Start Docker daemon
        run: |
          dockerd-entrypoint.sh &
          for i in {1..10}; do
            docker info && break
            echo "Waiting for Docker daemon..."
            sleep 3
          done
          docker info || { echo "Docker daemon failed to start."; exit 1; }

      - name: Get Buildfiles
        run: |
          YAML=$(curl -s "$REPO_URL/$YAML_FILE")
          FILENAME=$(echo "$YAML" | yq -r ".[] | select(.flavor == \"alpine-minirootfs\") | .file")
          VERSION=$(echo "$FILENAME" | sed 's/^alpine-minirootfs-//; s/-x86_64\.tar\.gz$//')
          echo "VERSION=$VERSION" >> $GITHUB_ENV

          curl -LOs "$REPO_URL/$FILENAME"
          curl -LOs "$REPO_URL/$FILENAME.sha512"
          sha512sum -c $FILENAME.sha512

          sed -i "s|^ADD \$FILENAME /|ADD $FILENAME /|" Dockerfile


      - name: Build and push Docker image
        run: |
          docker build --build-arg NPROC=1 -t $DOCKER_REGISTRY/$REGISTRY_USER/$PACKAGE_NAME:latest -t $DOCKER_REGISTRY/$REGISTRY_USER/$PACKAGE_NAME:$VERSION .
          echo "${{ secrets.DOCKER_PASSWORD }}" | docker login $DOCKER_REGISTRY -u $REGISTRY_USER --password-stdin
          docker push --all-tags $DOCKER_REGISTRY/$REGISTRY_USER/$PACKAGE_NAME