ci.yml

name: Docker

on:
  workflow_dispatch:
  push:
  pull_request:

jobs:
  # Setup --------------------------------------------------------
  setup:
    runs-on: ubuntu-latest
    name: Setup
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Check Dockerfile for HEALTHCHECK
        run: |
          if ! grep -q "HEALTHCHECK" ./Dockerfile; then
            echo "::error::No HEALTHCHECK instruction found in Dockerfile - exiting..."
            exit 1
          else
            echo "::notice::HEALTHCHECK instruction found in Dockerfile - proceeding..."
          fi

      - name: Notifiy push
        run: |
          if [[ $GITHUB_REF == refs/tags/* ]]; then
            echo "::warning::Image will be pushed after successful build..."
          else
            echo "::warning::Image will not be pushed - only tags will be pushed..."
          fi

  # Naming -------------------------------------------------------
  name:
    runs-on: ubuntu-latest
    name: Name
    outputs:
      name: ${{ steps.name.outputs.name }}
    steps:
    - name: Create image name
      id: name
      run: |
        ORIGINAL_NAME=${{ github.repository }}
        CLEAN_NAME=$(echo "$ORIGINAL_NAME" | sed 's/^[^/]*\///' | tr './' '--' | awk '{print tolower($0)}')
        echo "::notice::Docker image name is $CLEAN_NAME"
        echo "name=$CLEAN_NAME" >> "$GITHUB_OUTPUT"

  # Push --------------------------------------------------------
  push:
    runs-on: ubuntu-latest
    name: Push
    needs: [setup, name]
    strategy:
      fail-fast: true
      matrix:
        arch:
          - linux/amd64
          - linux/arm64

    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Push
        uses: netwatching/action.docker.push@v2.2.0
        with:
          name: ${{ needs.name.outputs.name }}
          arch: ${{ matrix.arch }}
          registry_password: ${{ secrets.GITHUB_TOKEN }}

  # Merge --------------------------------------------------------
  merge:
    runs-on: ubuntu-latest
    if: github.ref_type == 'tag'
    name: Merge
    needs: [setup, name, push]
    steps:
      - name: Merge
        uses: netwatching/action.docker.merge@v1.1.8
        with:
          name: ${{ needs.name.outputs.name }}
          registry_password: ${{ secrets.GITHUB_TOKEN }}