build-devcontainer.yaml

---
name: Build devcontainer

on:
  push:
    branches: [main]
  workflow_dispatch:

env:
  REGISTRY: ghcr.io
  IMAGE_NAME: ${{ github.repository }}

jobs:
  build-devcontainer:
    runs-on: ubuntu-latest

    permissions:
      contents: read
      packages: write

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

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

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

      - name: Extract metadata
        id: metadata
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
          tags: |
            type=raw,value=latest
            type=sha

      - name: Build/push container image
        uses: docker/build-push-action@v5
        with:
          cache-from: type=gha
          cache-to: type=gha
          context: .
          push: true
          file: .devcontainer/Dockerfile
          labels: ${{ steps.metadata.outputs.labels }}
          tags: ${{ steps.metadata.outputs.tags }}