name: CD - Docker - GHCR (Gitpod)

on:
  workflow_dispatch:
  push:
    branches:
      - main
    paths:
      - 'docker/gitpod/*'

jobs:
  build-and-push-image:
    runs-on: ubuntu-22.04
    permissions:
      contents: read
      packages: write

    strategy:
      fail-fast: false
      matrix:
        images:
          - gitpod

    steps:
      - name: Checkout code
        uses: actions/checkout@08eba0b27e820071cde6df949e0beb9ba4906955 # v4

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@e468171a9de216ec08956ac3ada2f0791b6bd435 # v3

      - name: Log in to the GHCR
        uses: docker/login-action@5e57cd118135c172c3672efd75eb46360885c0ef # v3
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Cache Docker layers
        uses: actions/cache@0057852bfaa89a56745cba8c7296529d2fc39830 # v4.3.0
        with:
          path: /tmp/.buildx-cache
          key: ${{ runner.os }}-buildx-${{ matrix.images }}-${{ github.sha }}
          restore-keys: |
            ${{ runner.os }}-buildx-${{ matrix.images }}-

      - name: Build and push Docker image
        uses: docker/build-push-action@263435318d21b8e681c14492fe198d362a7d2c83 # v6.18.0
        with:
          context: ./docker/${{ matrix.images }}
          push: true
          tags: |
            ghcr.io/freecodecamp/${{ matrix.images }}:${{ github.sha }}
            ghcr.io/freecodecamp/${{ matrix.images }}:latest
          cache-from: type=local,src=/tmp/.buildx-cache
          cache-to: type=local,dest=/tmp/.buildx-cache-new,mode=max

      - name: Move cache
        run: |
          rm -rf /tmp/.buildx-cache
          mv /tmp/.buildx-cache-new /tmp/.buildx-cache