nginx.conf

worker_processes 1;

events { worker_connections 1024; }

http {
    include  mime.types;
    index    index.html index.htm index.php;
    sendfile on;

    gzip              on;
    gzip_http_version 1.0;
    gzip_proxied      any;
    gzip_min_length   500;
    gzip_disable      "MSIE [1-6]\.";
    gzip_types        text/plain text/xml text/css
                      text/comma-separated-values
                      text/javascript
                      application/x-javascript
                      application/atom+xml;

    # List of application servers
    upstream backend {
        server 172.20.10.4:8002;
    }

    # Configuration for the server
    server {

        # Running port
        listen 80;

        root   /usr/share/nginx/html;
        access_log  /var/log/nginx/localhost.access.log;

        # Proxying the connections connections
        location /api {
            proxy_pass         http://backend;
            proxy_redirect     off;
            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;

        }
    }
}