docker-image.yml

name: Docker Image CI

on:
  schedule:
    - cron: "0 0 * * *"
  workflow_dispatch:
  push:
    branches: [ "master" ]
    paths-ignore:
      - '**/README.md'
      - 'Ubuntu/**'
      - '.github/**'
      - '.gitattributes'
      - '.gitignore'

jobs:
  build-and-push:
    runs-on: ubuntu-latest
    outputs:
      version: ${{ env.VERSION }}
      repo_owner_lower: ${{ env.REPO_OWNER_LOWER }}
      repo_name: ${{ env.REPO_NAME }}
    steps:
      - name: Checkout
        uses: actions/checkout@v4
      
      - name: Set up QEMU
        uses: docker/setup-qemu-action@v3
        with:
          platforms: 'all'
      
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3
      
      - name: Clean up unused Docker images and containers
        run: docker system prune --all --force --volumes
      
      - name: Cache Docker layers
        uses: actions/cache@v4
        with:
          path: /tmp/.buildx-cache
          key: ${{ runner.os }}-buildx-${{ github.sha }}
          restore-keys: |
            ${{ runner.os }}-buildx-

      - name: Extract version and set environment variables
        id: setup_env_vars
        run: |
          VERSION=$(grep -Po "(?<=version = ')[^']+" main.py)
          REPO_OWNER_LOWER=$(echo "${{ github.repository_owner }}" | tr '[:upper:]' '[:lower:]')
          REPO_NAME=$(basename "${{ github.repository }}" | tr '[:upper:]' '[:lower:]')
          echo "VERSION=$VERSION" >> $GITHUB_ENV
          echo "REPO_OWNER_LOWER=$REPO_OWNER_LOWER" >> $GITHUB_ENV
          echo "REPO_NAME=$REPO_NAME" >> $GITHUB_ENV
          echo "version=$VERSION" >> $GITHUB_ENV
          echo "repo_owner_lower=$REPO_OWNER_LOWER" >> $GITHUB_ENV
          echo "repo_name=$REPO_NAME" >> $GITHUB_ENV

      - name: Login to Docker Hub
        uses: docker/login-action@v3
        with:
          username: ${{ secrets.DOCKER_USERNAME }}
          password: ${{ secrets.DOCKER_PASSWORD }}

      - name: Login to GitHub Container Registry
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Build and Push Docker image
        uses: docker/build-push-action@v6
        with:
          context: .
          file: ./Dockerfile
          platforms: linux/amd64,linux/arm64,linux/arm/v7
          cache-from: type=local,src=/tmp/.buildx-cache
          cache-to: type=local,dest=/tmp/.buildx-cache,mode=max
          provenance: true
          sbom: true  
          tags: |
            ${{ secrets.DOCKER_USERNAME }}/${{ env.REPO_NAME }}:${{ env.VERSION }}
            ${{ secrets.DOCKER_USERNAME }}/${{ env.REPO_NAME }}:latest
            ghcr.io/${{ env.REPO_OWNER_LOWER }}/${{ env.REPO_NAME }}:${{ env.VERSION }}
            ghcr.io/${{ env.REPO_OWNER_LOWER }}/${{ env.REPO_NAME }}:latest
          push: true 

  release:
    needs: build-and-push
    runs-on: ubuntu-latest
    outputs:
      release_exists: ${{ steps.check_release.outputs.release_exists }}
    env:
      VERSION: ${{ needs.build-and-push.outputs.version }}
      REPO_OWNER_LOWER: ${{ needs.build-and-push.outputs.repo_owner_lower }}
      REPO_NAME: ${{ needs.build-and-push.outputs.repo_name }}
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Check if Release Exists
        id: check_release
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          VERSION: ${{ env.VERSION }}
        run: |
            if gh release view "${{ env.VERSION }}" --repo ${{ github.repository }}; then
              echo "Release already exists for version ${{ needs.build-and-push.outputs.version }}"
              echo "release_exists=true" >> $GITHUB_ENV
              echo "release_exists=true" >> $GITHUB_OUTPUT
            else
              echo "Release does not exist for version ${{ needs.build-and-push.outputs.version }}"
              echo "release_exists=false" >> $GITHUB_ENV
              echo "release_exists=false" >> $GITHUB_OUTPUT
            fi
      - name: Create Release with CHANGELOG Notes
        if: env.release_exists == 'false'
        id: create_release
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
            RELEASE_NOTES=$(awk '/^## Version \[${{ env.VERSION }}\]/ {flag=1; next} /^## Version \[/ {flag=0} flag' CHANGELOG.md)
            gh release create ${{ env.VERSION }} \
              --repo ${{ github.repository }} \
              --title "Release ${{ env.VERSION }}" \
              --notes "$RELEASE_NOTES" \
              --draft=false \
              --prerelease=false

  announce:
    needs: [release, build-and-push]
    if: needs.release.outputs.release_exists == 'false'
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v4
      - name: Post announcement to Discord
        env:
          DISCORD_WEBHOOK_URL: ${{ secrets.DISCORD_WEBHOOK_URL }}
          VERSION: ${{ needs.build-and-push.outputs.version }}
        run: |
          RELEASE_NOTES=$(awk '/^## Version \[${{ env.VERSION }}\]/ {flag=1; next} /^## Version \[/ {flag=0} flag' CHANGELOG.md)
          ANNOUNCEMENT_BODY="🚀 **New Release: Version [${{ env.VERSION }}]**${RELEASE_NOTES}"
          ESCAPED_BODY=$(echo "$ANNOUNCEMENT_BODY" | jq -Rsa .)
          curl -H "Content-Type: application/json" \
               -d "{\"content\": $ESCAPED_BODY, \"flags\": 4}" \
               $DISCORD_WEBHOOK_URL