bind :443 ssl crt /etc/ssl/haproxy.pem

acl is_static   hdr_end(Host) -i example.com
acl is_api      hdr_end(Host) -i api.example.com
acl is_files    hdr_end(Host) -i example.io

redirect scheme https if !{ ssl_fc } is_static is_api

cat cert1.pem key1.pem > haproxy1.pem
cat cert2.pem key2.pem > haproxy2.pem

defaults
  log 127.0.0.1 local0
  option tcplog

frontend ft_test
  mode http
  bind 0.0.0.0:443 ssl crt /certs/haproxy1.pem crt /certs/haproxy2.pem
  use_backend bk_cert1 if { ssl_fc_sni my.example.com } # content switching based on SNI
  use_backend bk_cert2 if { ssl_fc_sni my.example.org } # content switching based on SNI

backend bk_cert1
  mode http
  server srv1 <ip-address2>:80

backend bk_cert2
  mode http
  server srv2 <ip-address3>:80

/etc/ssl/private/mydomain.pem
/etc/ssl/private/myotherdomain.pem

frontend https-in:
  bind *:443 ssl crt-list /etc/ssl/private/crt-list.txt