build-dev-image.yaml

name: Build Dev Container Base Image

on:
  push:
    branches:
      - master
    tags:
      - 'v*'
  pull_request:
    branches:
      - master
  workflow_dispatch: # Manually triggered

env:
  CONTAINER_REGISTRY: ghcr.io
  IMAGE_NAME: access-system-dev
  BRANCH_NAME: ${{ github.head_ref || github.ref }} 

jobs:
  build:
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write

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

    - name: 🧰 Get branch name
      run: | # Get the branch name from the ref and replace non-alphanumeric characters with hyphens
        BRANCH=$(echo "${BRANCH_NAME#refs/heads/}" | sed -e 's/[^a-zA-Z0-9]/-/g')
        echo "BRANCH=$BRANCH" >> $GITHUB_ENV

    - name: 🏷️ Generate Docker metadata
      id: meta
      uses: docker/metadata-action@v5
      with:
        images: |
          ${{ env.CONTAINER_REGISTRY }}/${{ github.repository_owner }}/${{ env.IMAGE_NAME }}
        tags: |
          type=ref,event=branch,priority=610
          type=ref,event=pr
          type=semver,pattern={{raw}}
          type=semver,pattern={{version}}
          type=semver,pattern={{major}}.{{minor}}
          type=semver,pattern={{major}}
          type=semver,pattern=v{{major}}
          type=sha,format=long
          type=raw,value=latest,enable={{is_default_branch}}
          type=raw,value=${{ env.BRANCH_NAME }},priority=10
        annotations: |
          runnumber=${{ github.run_id }}
          sha=${{ github.sha }}
          ref=${{ github.ref }}

    - name: 🔐 Log in to GitHub Container Registry
      uses: docker/login-action@v3
      with:
        registry: ${{ env.CONTAINER_REGISTRY }}
        username: ${{ github.repository_owner }}
        password: ${{ secrets.GITHUB_TOKEN }}

    - name: 🛠️ Set up Docker Buildx
      uses: docker/setup-buildx-action@v3

    - name: 🚀 Build and push image
      uses: docker/build-push-action@v6
      with:
        context: .
        file: .devcontainer/Dockerfile
        push: true
        tags: ${{ steps.meta.outputs.tags }}
        labels: ${{ steps.meta.outputs.labels }}
        annotations: ${{ steps.meta.outputs.annotations }}
        cache-from: type=gha
        cache-to: type=gha,mode=max