custom-base-image.yml

name: Custom Base Image Example

on:
  push:
  workflow_dispatch:

env:
  GITHUB_USERNAME: baronfel
  BASE_IMAGE: "ghcr.io/baronfel/dotnet-runtime-skia-base-image:8.0"
  IMAGE_NAME: baronfel/skia-app
  IMAGE_TAG: "8.0"

jobs:
  create-base-image:
    permissions:
      contents: read
      packages: write
    runs-on: ubuntu-latest
    steps:
    - name: Login to ghcr.io
      uses: docker/login-action@v3
      with:
        registry: ghcr.io
        username: ${{ github.actor }}
        password: ${{ secrets.GITHUB_TOKEN }}

    - name: Get the code
      uses: actions/checkout@v4

    - name: Build the base image
      working-directory: src/custom-base-image
      run: |
        docker build -t ${{ env.BASE_IMAGE }} -f Dockerfile .
        docker push ${{ env.BASE_IMAGE }}

  use-base-image:
    needs: create-base-image
    permissions:
      contents: read
      packages: write
    runs-on: ubuntu-latest
    steps:
    - name: Login to ghcr.io
      uses: docker/login-action@v3
      with:
        registry: ghcr.io
        username: ${{ github.actor }}
        password: ${{ secrets.GITHUB_TOKEN }}

    - name: Get .NET
      uses: actions/setup-dotnet@v4

    - name: Get the code
      uses: actions/checkout@v4

    - name: Build and publish the app
      working-directory: src/custom-base-image
      run: |
        dotnet publish -t:PublishContainer \
          -p ContainerBaseImage="${{ env.BASE_IMAGE }}" \
          -p ContainerRepository="${{ env.IMAGE_NAME}}" \
          -p ContainerImageTag="${{ env.IMAGE_TAG }}" \
          -p ContainerRegistry=ghcr.io

  run-the-image:
    needs: use-base-image
    permissions:
      contents: read
      packages: write
    runs-on: ubuntu-latest

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

    - name: Execute the container
      run: |
        docker run --pull missing --rm ghcr.io/${{ env.IMAGE_NAME }}:${{ env.IMAGE_TAG }}