name: "Build devcontainer"

# Since building of containers can be quite time consuming, and take up some storage,
# there is no need to finish a build for a tag if new changes are concurrently being made.
# This cancels any previous builds for the same tag, and only the latest one will be kept.
concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

on:
  push:
    paths:
      - ".devcontainer/**"
  workflow_dispatch:

jobs:
  docker:
    runs-on: ubuntu-latest
    steps:
      -
        name: Docker meta
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: |
            ghcr.io/citusdata/citus-devcontainer
          tags: |
            type=ref,event=branch
            type=sha
      -
        name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v2
      -
        name: 'Login to GitHub Container Registry'
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{github.actor}}
          password: ${{secrets.GITHUB_TOKEN}}
      -
        name: Build and push
        uses: docker/build-push-action@v5
        with:
          context: "{{defaultContext}}:.devcontainer"
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          cache-from: type=gha
          cache-to: type=gha,mode=max