docker-image.yml

name: Docker Image CI

on:
  workflow_dispatch:
  release:
    types: [published]

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
    - name: Checkout
      uses: actions/checkout@v3

    - name: PrepareReg Names
      run: |
        echo IMAGE_REPOSITORY=$(echo ${{ github.repository }} | tr '[:upper:]' '[:lower:]') >> $GITHUB_ENV
        echo IMAGE_TAG=$(echo ${{ github.ref }} | tr '[:upper:]' '[:lower:]' | awk '{split($0,a,"/"); print a[3]}') >> $GITHUB_ENV
      
    - name: Login to GHCR
      uses: docker/login-action@v2
      with:
        registry: ghcr.io
        username: ${{ github.repository_owner }}
        password: ${{ secrets.GITHUB_TOKEN }}

    - name: Build and push
      run: |
        docker build . --tag ghcr.io/$IMAGE_REPOSITORY:$IMAGE_TAG
        docker push ghcr.io/$IMAGE_REPOSITORY:$IMAGE_TAG
        docker build . --tag ghcr.io/$IMAGE_REPOSITORY:latest
        docker push ghcr.io/$IMAGE_REPOSITORY:latest