build-dev-image.yaml

name: Push Dev Image to GitHub Packages on Pushes to Main

# when tagging action success
on:
  push:
    branches: ["main"]

jobs:
  build-and-push:
    name: Build and Push
    runs-on: ubuntu-latest

    steps:
      - name: Checkout
        uses: actions/checkout@v3
        with:
          fetch-depth: 0

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

      - name: Cache Docker layers
        uses: actions/cache@v3
        with:
          path: /tmp/.buildx-cache
          key: ${{ runner.os }}-buildx-${{ github.sha }}
          restore-keys: |
            ${{ runner.os }}-buildx-

      - name: Log in to GitHub Packages
        run: echo ${{ secrets.GITHUB_TOKEN }} | docker login ghcr.io -u USERNAME --password-stdin

      - name: Build Image and Push to GitHub Packages
        id: build_image_and_push
        uses: docker/build-push-action@v5
        env:
          IMAGE_TAG: dev
        with:
          push: true
          tags: |
            "ghcr.io/newways-techforimpactkaist/backend-python:${{ env.IMAGE_TAG }}"
          cache-from: type=local,src=/tmp/.buildx-cache
          cache-to: type=local,dest=/tmp/.buildx-cache-new

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