global
    log stdout format raw local0 debug
    user haproxy
    group haproxy
    # this is to tackle a weird problem I observed
    # https://github.com/docker-library/haproxy/issues/180
    fd-hard-limit 10000
    daemon

defaults
    log global
    mode http
    option httplog
    option dontlognull
    maxconn  1000
    timeout connect 5000
    timeout client 50000
    timeout server 50000

frontend http_front
    bind :8443 ssl crt /usr/local/etc/haproxy/tls/certificate.pem alpn h2,http/1.1

{% for hostname in nginx_names %}
    acl be_{{ hostname }} path_beg /{{ hostname }}
{% endfor %}
{% for hostname in nginx_names %}
    use_backend be_{{ hostname }} if be_{{ hostname }}
{% endfor %}

    acl be_round_robin path /
    use_backend be_round_robin if be_round_robin {% for hostname in nginx_names %} !be_{{ hostname }} {% endfor %}

{% for hostname in nginx_names %}
backend be_{{ hostname }}
    mode http
    http-request set-path %[path,regsub(^/{{ hostname }},"")]
    server {{ hostname }} {{ hostname }}:80/
{% endfor %}

backend be_round_robin
    mode http
{% for hostname in nginx_names %}
    http-request set-path %[path,regsub(^/{{ hostname }}/,/)]
    server {{ hostname }} {{ hostname }}:80/
{% endfor %}