gistfile1.txt

global
        maxconn 4096
        user haproxy
        group haproxy
        log 127.0.0.1 local1 debug

defaults
        log     global
        mode    http
        option  httplog
        option  dontlognull
        retries 3
        option redispatch
        option http-server-close
        option forwardfor
        maxconn 2000
        timeout connect 5s
        timeout client  15min
        timeout server  15min

frontend public
        bind :::80 v4v6
        bind :::443 v4v6 ssl crt /etc/ssl/snakeoil.pem
        option forwardfor except 127.0.0.1
        use_backend webcam if { path_beg /webcam/ }
        use_backend cncjs if { path_beg /cncjs/ }
        default_backend octoprint

backend octoprint
        acl needs_scheme req.hdr_cnt(X-Scheme) eq 0

        reqrep ^([^\ :]*)\ /(.*) \1\ /\2
        reqadd X-Scheme:\ https if needs_scheme { ssl_fc }
        reqadd X-Scheme:\ http if needs_scheme !{ ssl_fc }
        option forwardfor
        server octoprint1 127.0.0.1:5000
        errorfile 503 /etc/haproxy/errors/503-no-octoprint.http

backend webcam
        reqrep ^([^\ :]*)\ /webcam/(.*)     \1\ /\2
        server webcam1  127.0.0.1:8080
        errorfile 503 /etc/haproxy/errors/503-no-webcam.http

backend cncjs
        reqrep ^([^\ :]*)\ /cncjs/(.*)     \1\ /\2
        option httpclose
        server cncjs1  127.0.0.1:8000
        errorfile 503 /etc/haproxy/errors/503-no-cncjs.http