build-docker-image.yml

name: Build and Push Docker Image

on:
  push:
    branches:
      - master # Adjust this as necessary

jobs:

  condition_check:
    runs-on: ubuntu-latest
    outputs:
      proceed: ${{ steps.check_condition.outputs.proceed }}
    steps:
      - id: check_condition
        name: Check Repository Name Condition
        run: |
          echo "proceed=true" >> $GITHUB_OUTPUT
          if [[ "${{ github.repository }}" =~ project[0-9]+- ]]; then
            echo "This repository is an student repository, skipping docker build."
            echo "proceed=false" >> $GITHUB_OUTPUT
          fi

  build-and-push:
    needs: condition_check
    if: needs.condition_check.outputs.proceed == 'true'
    runs-on: ubuntu-latest
    permissions:
      packages: write
      contents: read

    steps:

      # Convert repository name to lowercase and set it as an output
      - name: Convert repository name to lowercase
        id: repo_name
        run: echo "repo_name_lower=$(echo '${{ github.repository }}' | tr '[:upper:]' '[:lower:]')" >> $GITHUB_ENV

      - uses: actions/checkout@v3

      - name: Log in to GitHub Container Registry
        uses: docker/login-action@v1
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Build and push Docker image
        uses: docker/build-push-action@v2
        with:
          file: .devcontainer/Dockerfile
          push: true
          tags: ghcr.io/${{ env.repo_name_lower }}/python-devcontainer:latest