adding routers

docker-compose.yml

version: '3'
services:
    cats-mongo:
        image: mongo:latest
        environment:
            MONGO_INITDB_ROOT_USERNAME: mongo
            MONGO_INITDB_ROOT_PASSWORD: mongo
            MONGO_INITDB_DATABASE: cats
        volumes:
            - cats_mongodb_data:/data/db
        command: mongod --auth
    dogs-mongo:
        image: mongo:latest
        environment:
            MONGO_INITDB_ROOT_USERNAME: mongo
            MONGO_INITDB_ROOT_PASSWORD: mongo
            MONGO_INITDB_DATABASE: dogs
        volumes:
            - dogs_mongodb_data:/data/db
        command: mongod --auth
    dogs-api:
        build:
            context: ./dogs-api
            dockerfile: .docker/Dockerfile
        volumes:
            - ./dogs-api/index.js:/www/index.js
            - ./dogs-api/lib:/www/lib
        depends_on:
            - dogs-mongo
        labels:
            - "traefik.http.routers.dogs-api.rule=PathPrefix(`/v1/dogs/`)"
            - "traefik.http.routers.dogs-api.entrypoints=web"
    cats-api:
        build:
            context: ./cats-api
            dockerfile: .docker/Dockerfile
        volumes:
            - ./cats-api/index.js:/www/index.js
            - ./cats-api/lib:/www/lib
        depends_on:
            - cats-mongo
        labels:
            - "traefik.http.routers.cats-api.rule=PathPrefix(`/v1/cats/`)"
            - "traefik.http.routers.cats-api.entrypoints=web"
    cats-dogs-react:
        stdin_open: true
        build:
            context: ./cats-dogs-react
            dockerfile: .docker/Dockerfile
        volumes:
            - ./cats-dogs-react/src:/www/src
            - ./cats-dogs-react/public:/www/public
        labels:
            - "traefik.http.routers.cats-dogs-react.rule=PathPrefix(`/`)"
            - "traefik.http.routers.cats-dogs-react.entrypoints=web"
    traefik:
        build:
            context: ./traefik
            dockerfile: .docker/Dockerfile
        ports:
            - "8080:8080" # expose the admin UI
            - "80:80" # expose the web entrypoint
        volumes:
            # So that Traefik can listen to the Docker events
            - /var/run/docker.sock:/var/run/docker.sock
volumes:
    cats_mongodb_data:
    dogs_mongodb_data: