Nginx Reverse Plex Proxy Basic

server {
    # Port the server will listen on
    listen 80;
    # IP/host name Nginx will respond to
    server_name plex.ip.address.here;
    # server_name yourdomain.com

    # Pass source IP to application
    proxy_set_header X-Real-IP $remote_addr;

    location / {
        # Plex Address
        proxy_pass http://plex.ip.address.here:32400;
    }
}