version: "2.0"

services:
    # HTTP server configured to listen on 127.0.0.1:8080
    nginx:
        build:
            context: .
        volumes_from:
            - cms:ro
        ports:
            - 127.0.0.1:8080:80
        depends_on:
            - quotes-api
            - comments-api
            - cms

    # Quotes API service with /data/quotes mounted as database storage
    # SECRET_KEY is needed for API key validation
    quotes-api:
        build:
            context: ./quotes-api
        volumes:
            - /data/quotes:/quotes
        environment:
            - SQLALCHEMY_DATABASE_URI=sqlite:////quotes/quotes.db
            - SECRET_KEY=__SECRET_KEY__
        expose:
            - 5000

    # Twitch comments API service with /data/comments mounted as database storage
    # TWITCH_CLIENT_ID, TWITCH_OAUTH_TOKEN and TWITCH_CHANNEL_ID are needed for
    # Twitch API access and synchronization
    comments-api:
        build:
            context: ./comments-api
        volumes:
            - /data/comments:/comments
        environment:
            - SQLALCHEMY_DATABASE_URI=sqlite:////comments/comments.db
            - TWITCH_CLIENT_ID=__TWITCH_CLIENT_ID__
            - TWITCH_OAUTH_TOKEN=__TWITCH_OAUTH_TOKEN__
            - TWITCH_CHANNEL_ID=__TWITCH_CHANNEL_ID__
        expose:
            - 5000

    # CMS service with /data/grav mounted as user data storage
    cms:
        build:
            context: ./cms
        volumes:
            - /data/grav:/app/user
            - /app
        expose:
            - 9000