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HAproxy as fowarding server?

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I am trying to forward requests, locally to haproxy. I cant seem to get it working, I have a script which calls this end point every n sec, and even though i have it set on etc/hosts it doesn't get routed via haproxy ? I do this routing inspecting SNI and applying an acl for the respective backend.

I set on etc/hosts:

127.0.0.2 example.com

Defaults:

defaults
    log  global
    mode    tcp
    option  tcplog

I then have a this defined as Frontend:

frontend default
    log  global
    mode    tcp
    option  tcplog
    bind *:443
    tcp-request inspect-delay 1s
    tcp-request content accept if { req_ssl_hello_type 1 }


    acl example_us req_ssl_sni -i example.com 
    use_backend example_us if example_us

Resolvers:

resolvers mynameservers
    nameserver ns1 8.8.8.8:53

Backend:

backend example_us
    option external-check  
    external-check command /usr/local/bin/healthcheck 
    server s1 example.com:443 check inter 1m resolvers mynameservers fall 5 rise 1 resolve-prefer ipv4

I have add resolver so i could pick up example.com ip via 8.8.8.8, but locally i would have it forwarding to a loopback interface.

I was looking to do example.com -> localhost:443 -> haproxy -> example.com

Is this possible ? i am having trouble figuring this out

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