frontend api_gateway
    bind :443 ssl crt /etc/hapee-1.8/certs/cert.pem
    acl PATH_cart path_beg -i /cart
    acl PATH_catalog path_beg -i /catalog
    use_backend be_cart if PATH_cart
    use_backend be_catalog if PATH_catalog

backend be_cart
    server s1 10.0.0.3:80

backend be_catalog
    server s1 10.0.0.5:80