Simple HAProxy config to forward :80 to :3000 (for a Node app)

gistfile1.txt

global
	log /dev/log	local0
	log /dev/log	local1 notice
	chroot /var/lib/haproxy
	stats socket /run/haproxy/admin.sock mode 660 level admin
	stats timeout 30s
	user haproxy
	group haproxy
	daemon

	# Default SSL material locations
	ca-base /etc/ssl/certs
	crt-base /var/www/ssl/

	#  https://hynek.me/articles/hardening-your-web-servers-ssl-ciphers/
	ssl-default-bind-ciphers ECDH+AESGCM:DH+AESGCM:ECDH+AES256:DH+AES256:ECDH+AES128:DH+AES:ECDH+3DES:DH+3DES:RSA+AESGCM:RSA+AES:RSA+3DES:!aNULL:!MD5:!DSS
	ssl-default-bind-options no-sslv3

  tune.ssl.default-dh-param 2048

defaults
	log	global
	mode	http
	option	httplog
	option	dontlognull
  timeout connect 5000
  timeout client  50000
  timeout server  50000
	errorfile 400 /etc/haproxy/errors/400.http
	errorfile 403 /etc/haproxy/errors/403.http
	errorfile 408 /etc/haproxy/errors/408.http
	errorfile 500 /etc/haproxy/errors/500.http
	errorfile 502 /etc/haproxy/errors/502.http
	errorfile 503 /etc/haproxy/errors/503.http
	errorfile 504 /etc/haproxy/errors/504.http

frontend http-in
  bind :80
  reqadd X-Forwarded-Proto:\ http
  default_backend app

  # is this a socket io request?
  acl is_websocket path_beg /socket.io
  acl is_websocket hdr(Upgrade) -i WebSocket AND hdr_beg(Host) -i ws
  use_backend websocket if is_websocket

frontend https-in
  bind :443 ssl crt /etc/ssl/private/crt.pem
  reqadd X-Forwarded-Proto:\ https
  default_backend app

backend app
  server node 127.0.0.1:3000 check

backend websocket
  balance source
  option forwardfor
  no option httpclose
  option http-server-close
  option forceclose

  timeout queue 5s
  timeout server 24h
  timeout connect 24h

  server node1 localhost:3000 check