HAProxy reverse proxy configuration with HTTPS frontend and HTTP backend

https2http.haproxy.cfg

global
    log                       127.0.0.1 local2
    maxconn                   2048
    tune.ssl.default-dh-param 2048

defaults
    mode                    http
    log                     global
    option                  httplog
    option                  dontlognull
    option http-server-close
    option forwardfor       except 127.0.0.0/8
    option                  redispatch
    retries                 3
    timeout http-request    10s
    timeout queue           1m
    timeout connect         10s
    timeout client          1m
    timeout server          1m
    timeout http-keep-alive 10s
    timeout check           10s

frontend test-fe
    bind *:443 ssl crt /usr/local/etc/haproxy/certificate.pem
    bind *:80
    http-request redirect scheme https code 301 if !{ ssl_fc }
    default_backend test-be-http

backend test-be-http
server static web:80 check