deploy.yml

name: Deploy

on:
  workflow_dispatch: ~
  schedule:
    # Run daily at 3:47 UTC
    - cron: '47 3 * * *'

jobs:
  deploy-proxy:
    name: Deploy proxy
    runs-on: ubuntu-latest
    environment: proxy-production

    steps:
      - name: Checkout
        uses: actions/checkout@v4

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

      - name: Setup Fly
        uses: superfly/flyctl-actions/setup-flyctl@master

      - name: Deploy
        env:
          FLY_API_TOKEN: ${{ secrets.FLY_API_TOKEN }}
        run: |
          flyctl deploy --config proxy.fly.toml --local-only

  update-data:
    name: Update data
    runs-on: ubuntu-latest

    steps:
      - name: Checkout
        uses: actions/checkout@v4

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

      - name: Login to GitHub Container Registry
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      # The disk and memory in the Github runners is too small to do large imports.
      # A Docker image with a pre-imported database state is used.
      # During the deployment run, the docker image is updated through the replication updated,
      # built into a new image and pushed for future use.
      - name: Pull import database
        run: |
          docker compose pull db
          docker image ls ghcr.io/hiddewie/openrailwaymap-import-db:latest
          docker compose up --no-build --pull never --wait db

      - name: Ensure data is up to date
        env:
          # Available cores: 4
          OSM2PGSQL_NUMPROC: 4
          # Available memory: 16GB
          OSM2PGSQL_CACHE: 14000
        run: |
          docker compose build import
          docker compose run import update
          docker compose push import

      - name: Commit and push new database image
        run: |
          docker compose stop db
          DB_CONTAINER_ID="$(docker compose ps --all --format json | jq -r 'select(.Service == "db") | .ID')"
          DB_IMAGE="$(docker compose ps --all --format json | jq -r 'select(.Service == "db") | .Image')"
          
          # Persist and squash data in new image
          docker cp "$DB_CONTAINER_ID:/var/lib/postgresql/postgres-data" db/postgres-data
          echo 'COPY postgres-data /var/lib/postgresql/postgres-data' >> db/Dockerfile

      - name: Clean up unused Docker system data
        run: |
          docker system prune --force --all --volumes

      - name: Push
        id: docker_build
        uses: docker/build-push-action@v5
        with:
          context: db
          load: false
          push: true
          tags: ghcr.io/hiddewie/openrailwaymap-import-db:latest

  generate-tiles:
    name: Generate tiles
    runs-on: ubuntu-latest
    needs: update-data

    strategy:
      matrix:
        tiles:
          - low-med
          - standard
          - speed
          - signals
          - electrification
          - gauge

    steps:
      - name: Checkout
        uses: actions/checkout@v4

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

      - name: Login to GitHub Container Registry
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Pull database
        run: |
          docker compose pull db
          docker compose up --no-build --pull never --wait db

      - name: Generate tiles
        env:
          TILES: ${{ matrix.tiles }}
        run: |
          docker compose run martin-cp
          ls -las tiles/

      - uses: actions/upload-artifact@v4
        with:
          name: tiles-${{ matrix.tiles }}
          path: |
            tiles/*.mbtiles
          if-no-files-found: error
          retention-days: 3

  deploy-tiles:
    name: Deploy tiles
    runs-on: ubuntu-latest
    needs: generate-tiles
    environment: tiles-production

    steps:
      - name: Checkout
        uses: actions/checkout@v4

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

      - name: Setup Fly
        uses: superfly/flyctl-actions/setup-flyctl@master

      - name: Login to GitHub Container Registry
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - uses: actions/download-artifact@v4
        with:
          # No name: download everything
          path: tiles
          merge-multiple: true

      - name: List generated tiles
        run: |
          ls -lah tiles/

      - name: Deploy
        env:
          FLY_API_TOKEN: ${{ secrets.FLY_API_TOKEN }}
        run: |
          flyctl deploy --config martin-static.fly.toml --local-only