nginx.conf

worker_processes 1;

events {
    worker_connections 1024;
}

http {
    client_max_body_size 100M;

    sendfile on;

    upstream docker-alfred {
        server alfred:3000;
    }

    upstream docker-nexus {
        server nexus:3000;
    }

    upstream docker-historian {
        server historian:3000;
    }

    # Standard proxy setup
    proxy_http_version 1.1;
    proxy_set_header Host $host;
    proxy_set_header X-Real-IP $remote_addr;
    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    proxy_set_header X-Forwarded-Host $server_name;

    # Enable WebSockets
    map $http_upgrade $connection_upgrade {
        default upgrade;
        '' close;
    }

    # Expose Alfred
    server {
        listen 3003;

        location /socket.io {
            proxy_pass http://docker-nexus;
            proxy_redirect off;
            proxy_set_header Upgrade $http_upgrade;
            proxy_set_header Connection "upgrade";
        }

        location / {
            proxy_pass http://docker-alfred;
            proxy_redirect off;
            proxy_set_header Upgrade $http_upgrade;
            proxy_set_header Connection "upgrade";
        }
    }

    # Expose Nexus
    server {
        listen 3002;

        location / {
            proxy_pass http://docker-nexus;
            proxy_redirect off;
            proxy_set_header Upgrade $http_upgrade;
            proxy_set_header Connection "upgrade";
        }
    }

    # Expose Historian
    server {
        listen 3001;

        location / {
            proxy_pass http://docker-historian;
            proxy_redirect off;
        }
    }
}