proxy_server.conf

upstream web {
    server docker-nginx-web;
}
server {
    listen 80;
    server_name web-docker.io;
    location / {
        proxy_pass http://web;
    }
}


upstream api {
        server docker-nginx-api;
}
server {
    listen 80;
    server_name api-docker.io;
    location / {
        proxy_pass http://api;
    }
}