<VirtualHost 22.11.22.11:443>
   ServerName       Hostname
   ProxyHCExpr isok {hc('body') =~ /==welcome ok1==/}
   ProxyHCTemplate template1 hcinterval=1 hcexpr=isok hcmethod=get hcuri=/healthcheck.php
   ProxyHCTemplate template2 hcinterval=1 hcexpr=isok hcmethod=head hcuri=/head_check.php
   <Proxy balancer:mybalancer>
     BalancerMember https://www.backend1.com:443 hctemplate=template1
     BalancerMember https://www.backend1.com:443 hctemplate=template1
   </Proxy>
<VirtualHost>

<VirtualHost 22.11.22.11:443>
       ServerName       Hostname
       ProxyHCExpr isok {hc('body') =~ /==welcome ok1==/}
       ProxyHCTemplate template1 hcinterval=1 hcexpr=isok hcmethod=get hcuri=/healthcheck.php
       ProxyHCTemplate template2 hcinterval=1 hcexpr=isok hcmethod=head hcuri=/head_check.php
       <Proxy balancer:mybalancer>
         BalancerMember https://www.backend1.com:443 hctemplate=template2
         BalancerMember https://www.backend1.com:443 hctemplate=template2
       </Proxy>
    <VirtualHost>

<VirtualHost 22.11.22.11:443>
       ServerName       Hostname
       ProxyHCExpr isok {hc('body') =~ /==welcome ok1==/}
       ProxyHCTemplate template1 hcinterval=1 hcexpr=isok hcmethod=get hcuri=/healthcheck.php
       ProxyHCTemplate template2 hcinterval=1 hcexpr=isok hcmethod=head hcuri=/head_check.php
       <Proxy balancer:myNEWbalancer>
         BalancerMember https://www.backend1.com:443 hctemplate=template2
         BalancerMember https://www.backend1.com:443 hctemplate=template2
       </Proxy>
    <VirtualHost>