haproxy.cfg

global
    user root
    group root
    daemon
    maxconn         5000
    # Default SSL material locations
    ca-base /etc/ssl/certs
    crt-base /etc/ssl/private

    # See: https://ssl-config.mozilla.org/#server=haproxy&server-version=2.0.3&config=intermediate
    ssl-default-bind-ciphers ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384
    ssl-default-bind-ciphersuites TLS_AES_128_GCM_SHA256:TLS_AES_256_GCM_SHA384:TLS_CHACHA20_POLY1305_SHA256
    ssl-default-bind-options ssl-min-ver TLSv1.2 no-tls-tickets

defaults
    log	global
    mode    tcp
    #option  tcplog
    option  dontlognull
    timeout connect 15000
    timeout client  50000
    timeout server  50000
    retries 5

frontend fe_tcp
    bind *:80
    mode tcp
    #option tcplog
    default_backend be_tcp
backend be_tcp
    mode tcp
    balance roundrobin
    server api01  api01:8080 check
    server api02  api02:8080 check