gistfile1.txt

global
    maxconn 4096
#    user haproxy
#    group haproxy
    debug

defaults
    timeout client 60000
    timeout server 30000
    timeout connect 4000

frontend http *:80
    mode http

    option http-server-close

    acl is_websocket hdr(Upgrade)  -i WebSocket #check the Upgrade header
    acl is_websocket hdr_beg(Host) -i ws        #also check the host
    use_backend app_ws if is_websocket

    default_backend app

backend app_ws
    mode http
    option http-pretend-keepalive
    server app_ws_1 127.0.0.1:5001 check

backend app
    mode http
    server app_1 127.0.0.1:81 check

frontend  https *:443
    mode tcp
    
    option http-server-close

    acl is_websocket hdr(Upgrade)  -i WebSocket #check the Upgrade header
    acl is_websocket hdr_beg(Host) -i ws        #also check the host
    use_backend app_ws_https if is_websocket
    
    default_backend             app_https

backend app_ws_https
    mode tcp
    option http-pretend-keepalive
    server app_ws_https_1 127.0.0.1:5002 check

backend app_https
    mode tcp
    server app_https_1 127.0.0.1:444 check

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