name: Build

on:
  push:
    branches:
      - main
    tags:
      - v*.*.*

env:
  COMMIT_VERSION: "${{ github.sha }}-dev"

jobs:
  build:
    name: Build docker images.
    runs-on: ubuntu-latest
    strategy:
      matrix:
        component: ["server", "client"]
    env:
      COMPONENT: ${{ matrix.component }}
    steps:
      - name: Checkout repository.
        uses: actions/checkout@v2
        with:
          submodules: true
      - name: Get version from tag.
        uses: little-core-labs/get-git-tag@v3.0.2
        continue-on-error: true
      - name: Build image.
        run:
          cd "${COMPONENT}" &&
          docker build -t "${COMPONENT}:${COMMIT_VERSION}"
            --build-arg VCS_REF="${GITHUB_SHA}"
            --build-arg BUILD_DATE="$(date --rfc-3339=seconds)"
            --build-arg VERSION="${GIT_TAG_NAME:-${COMMIT_VERSION}}"
            .
      - name: Save image.
        run: docker save "${COMPONENT}:${COMMIT_VERSION}" | gzip > "image.tar.gz"
      - name: Store image for publish job.
        uses: actions/upload-artifact@v2
        with:
          name: ${{ matrix.component }}
          path: image.tar.gz

  publish:
    name: Publish docker images.
    needs: build
    runs-on: ubuntu-latest
    strategy:
      matrix:
        component: ["server", "client"]
        registry: [
          {
            server: "registry.hub.docker.com",
            user: "latty",
            token-secret: "DOCKER_HUB_TOKEN",
            path: "massivedecks",
            image-prefix: "manydecks-"
          },
          {
            server: "ghcr.io",
            user: "lattyware",
            token-secret: "GHCR_TOKEN",
            path: "lattyware/manydecks",
            image-prefix: ""
          }
        ]
    steps:
      - name: Retrieve image from build job.
        uses: actions/download-artifact@v2
        with:
          name: ${{ matrix.component }}
      - name: Load image.
        run: docker load < "image.tar.gz"
      - name: Get version from tag.
        uses: little-core-labs/get-git-tag@v3.0.2
      - name: Publish image.
        uses: lattyware/push-docker-image-to-version-tags@v2
        with:
          source: "${{ matrix.component }}:${{ env.COMMIT_VERSION }}"
          image: "${{ matrix.registry.image-prefix }}${{ matrix.component }}"
          hash: "${{ env.COMMIT_VERSION }}"
          version: "${{ env.GIT_TAG_NAME }}"
          server: "${{ matrix.registry.server }}"
          server_path: "${{ matrix.registry.path }}"
          user: "${{ matrix.registry.user }}"
          token: "${{ secrets[matrix.registry.token-secret] }}"