haproxy.cfg.template

global
    pidfile {{.PidFile}}
    log 127.0.0.1 local0 info

defaults
    mode http

    clitimeout          600000   # maximum inactivity time on the client side
    srvtimeout          600000   # maximum inactivity time on the server side
    timeout connect     8000  	 # maximum time to wait for a connection attempt to a server to succeed

    stats enable
    stats auth		admin:password
    stats uri		/monitor
    stats refresh	5s
    option httpchk	GET /status
    retries		5
    option redispatch
    errorfile 503 /path/to/503.text.file

    balance roundrobin	# each server is used in turns, according to assigned weight

frontend http
    bind :80
    monitor-uri   /haproxy  # end point to monitor HAProxy status (returns 200)

    acl api1 path_reg ^/api1/?
    acl api2 path_reg ^/api2/?

    use_backend api1 if api1
    use_backend api2 if api2


### BEGIN GENERATED SECTION ###

{{range .Backends}}
backend {{.Name}}
{{range .BackendServers}}	server {{.Name}} {{.Bind}} weight {{.Weight}} maxconn {{.MaxConn}} {{if .Check}}check inter {{.CheckInterval}}{{end}}{{end}}
{{if .Options.AbortOnClose}}	option abortonclose
{{end}}{{if .Options.AllBackups}}	option allbackups
{{end}}{{if .Options.CheckCache}}	option checkcache
{{end}}{{if .Options.ForwardFor}}	option forwardfor
{{end}}{{if .Options.HttpCheck}}	option httpchk
{{end}}{{if .Options.HttpClose}}	option httpclose
{{end}}{{if .Options.LdapCheck}}	option ldap-check
{{end}}{{if .Options.MysqlCheck}}	option mysql-check
{{end}}{{if .Options.PgsqlCheck}}	option pgsql-check
{{end}}{{if .Options.RedisCheck}}	option redis-check
{{end}}{{if .Options.SmtpCheck}}	option smtpchk
{{end}}{{if .Options.SslHelloCheck}}	option ssl-hello-chk
{{end}}{{if .Options.TcpKeepAlive}}	option tcpka
{{end}}{{if .Options.TcpSmartAccept}}	option tcp-smart-accept
{{end}}{{if .Options.TcpSmartConnect}}	option tcp-smart-connect
{{end}}{{if .Options.TcpLog}}	option tcplog
{{end}}{{if .Options.Transparent}}	option transparent{{end}}
{{end}}

### END GENERATED SECTION ###