nginx.conf

user  nginx;
worker_processes  1;

error_log  /var/log/nginx/error.log warn;
pid        /var/run/nginx.pid;


events {
    worker_connections  1024;
}


http {
    include       /etc/nginx/mime.types;
    default_type  application/octet-stream;

    log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
                      '$status $body_bytes_sent "$http_referer" '
                      '"$http_user_agent" "$http_x_forwarded_for"';

    access_log  /var/log/nginx/access.log  main;

    sendfile        on;
    #tcp_nopush     on;

    keepalive_timeout 0;

    #gzip  on;

    include /etc/nginx/conf.d/*.conf;
}

site.conf

upstream backend {

    server website:8000;

}

server {

    listen 80;
    charset utf-8;

    location / {
        # proxy_set_header  Host $host;

	proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_redirect    off;
        
	# proxy_set_header  X-Real-IP $remote_addr;

        # nginx sse config
	proxy_http_version 1.1;
        proxy_set_header Connection "";
	# chunked_transfer_encoding off;
	proxy_buffering off;
	proxy_pass_header X-Accel-Buffering;

        # proxy_set_header  X-Forward-For $proxy_add_x_forwarded_for;
        # proxy_set_header  X-Forwarded-Host $server_name;
        
	proxy_pass        http://backend;
    }
}