name: Publish Docker image

on:
  push:
    branches:
      - "develop"
    tags:
      - "*"

env:
  IMAGE_NAME: ${{ github.repository }}

jobs:
  push_to_registry:
    name: Push Docker image to Docker Hub
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write

    steps:
      - name: Checkout
        uses: actions/checkout@v2.3.4
        with:
          submodules: recursive

      - name: Cache Docker layers
        uses: actions/cache@v2
        with:
          path: /tmp/.buildx-cache
          key: ${{ runner.os }}-buildx-${{ github.sha }}
          restore-keys: |
            ${{ runner.os }}-buildx-

      - name: Docker Setup Buildx
        uses: docker/setup-buildx-action@v1.5.1
        with:
          driver: docker-container
          driver-opts: |
            image=moby/buildkit:master

      - name: Docker Login
        uses: docker/login-action@v1.10.0
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Docker Login
        uses: docker/login-action@v1.10.0
        with:
          username: ${{ secrets.DOCKER_USERNAME }}
          password: ${{ secrets.DOCKER_PASSWORD }}

      - name: Docker Metadata action
        id: meta
        uses: docker/metadata-action@v3.4.1
        with:
          images: |
            otterscan/otterscan
            ghcr.io/${{ env.IMAGE_NAME }}

      - name: Build and push Docker images
        uses: docker/build-push-action@v2.6.1
        with:
          context: .
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          cache-from: type=local,src=/tmp/.buildx-cache
          cache-to: type=local,dest=/tmp/.buildx-cache-new

        # Temp fix
        # https://github.com/docker/build-push-action/issues/252
        # https://github.com/moby/buildkit/issues/1896
      - name: Move cache
        run: |
          rm -rf /tmp/.buildx-cache
          mv /tmp/.buildx-cache-new /tmp/.buildx-cache