version: '2.4'

services:
    # The main drone instance
    app:
        # Latest version as of writing this document
        image: 'laszlocloud/woodpecker-server:v0.12.0'
        restart: 'always'

        depends_on:
            db:
                condition: 'service_healthy'
        healthcheck:
            test: 'curl -f http://localhost:8000/ || exit 1'
            interval: '30s'
            retries: 3
            timeout: '5s'
            start_period: '10s'

        environment:
            # Allow all Gitea users to use it
            - 'DRONE_OPEN=true'
            # Drone needs to know its own location
            - 'DRONE_HOST=${DRONE_HOST}'
            # Shared secret to communicate with agents
            - 'DRONE_SECRET=${DRONE_SECRET}'
            # Tell Drone to use postgres
            - 'DRONE_DATABASE_DRIVER=postgres'
            - 'DRONE_DATABASE_DATASOURCE=postgres://woodpecker:woodpecker@db:5432/woodpecker?sslmode=disable'

            # These are just a guess based on the documentation
            - 'DRONE_GITEA=true'
            - 'DRONE_GITEA_CLIENT=${GITEA_CLIENT}'
            - 'DRONE_GITEA_SECRET=${GITEA_SECRET}'
        networks:
            - 'default'
            - 'nginx'
        ports:
            # Used to communicate with the agents (I think)
            - '9000:9000'
            # Also needs port 8000 for web UI (so proxy_pass to 8000)
        volumes:
            - 'server-data:/var/lib/drone'

    # Database for the server
    db:
        image: 'postgres:13.2-alpine'
        restart: 'always'

        healthcheck:
            test: 'pg_isready -U woodpecker'
            interval: '30s'
            timeout: '5s'
            retries: 3
            start_period: '0s'

        environment:
            - 'POSTGRES_DB=woodpecker'
            - 'POSTGRES_USER=woodpecker'
            - 'POSTGRES_PASSWORD=woodpecker'

        volumes:
            - 'db-data:/var/lib/postgresql/data'

    # We can deploy more agents by using the scale command
    # Each agent can do one parallel build by default
    agent:
        image: 'laszlocloud/woodpecker-server:v0.12.0'
        restart: 'always'
        command: 'agent'

        depends_on:
            - 'app'

        environment:
            - 'DRONE_SERVER=${DRONE_HOST}'
            - 'DRONE_SECRET=${DRONE_SECRET}'
        volumes:
            - '/var/run/docker.sock:/var/run/docker.sock'

volumes:
    db-data:
    server-data: