haproxy.cfg

frontend fe_http                                                                                                                                                                                            
    bind *:80                                                                                                                                                                                               
    capture request header Connection len 32                                                                                                                                                                
    capture response header Connection len 32                                                                                                                                                               
    default_backend be_go                                                                                                                                                                                   
                                                                                                                                                                                                            
backend be_go                                                                                                                                                                                               
    #http-request del-header Connection                                                                                                                                                                     
    server s0 localhost:8080