main.yml

name: Dokku CD
on:
  push:
    branches: [main]
env:
  DOKKU_REMOTE_BRANCH: "master"
  DOKKU_REMOTE_URL: "ssh://dokku@dokku-1.dev.codeforafrica.org/actnow"
  GIT_PUSH_FLAGS: "--force"
jobs:
  deploy:
    runs-on: ubuntu-latest
    steps:
      - name: Cancel Previous Runs
        uses: styfle/cancel-workflow-action@0.12.1
        with:
          access_token: ${{ github.token }}

      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

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

      - name: Cache Docker layers
        uses: actions/cache@v4.0.2
        with:
          path: /tmp/.buildx-cache
          key: ${{ runner.os }}-buildx-${{ github.sha }}
          restore-keys: |
            ${{ runner.os }}-buildx-

      - name: Login to DockerHub
        uses: docker/login-action@v3
        with:
          username: ${{ secrets.DOCKER_HUB_USERNAME }}
          password: ${{ secrets.DOCKER_HUB_ACCESS_TOKEN }}

      - name: Build
        uses: docker/build-push-action@v6
        with:
          context: .
          push: true
          tags: codeforafrica/actnow:latest
          target: python-app-ci
          cache-from: type=local,src=/tmp/.buildx-cache
          cache-to: type=local,dest=/tmp/.buildx-cache-new

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

      - name: Push to Dokku
        uses: dokku/github-action@v1.6.1
        with:
          branch: ${{ env.DOKKU_REMOTE_BRANCH }}
          git_push_flags: ${{ env.GIT_PUSH_FLAGS }}
          git_remote_url: ${{ env.DOKKU_REMOTE_URL }}
          ssh_private_key: ${{ secrets.SSH_PRIVATE_KEY }}