krisek opened a new pull request, #975:
URL: https://github.com/apache/apisix-helm-chart/pull/975

   Co-authored-by: GPT-5.4
   
   These changes add configurable nginx realip settings and proxy protocol 
listener support for APISIX. This enables deployments behind L4/L7 proxies to 
preserve the original client IP end to end, including cases where the proxy 
sends PROXY protocol metadata.
   
   The change introduces:
   
   - apisix.nginx.real_ip_header and apisix.nginx.real_ip_from
   - apisix.proxyProtocol.listenHttpPort and listenHttpsPort- 
   - apisix.proxyProtocol.enableTcpPP and enableTcpPPToUpstream
   - apisix.proxyProtocol.exposed to route the main gateway service to the 
proxy-protocol listeners
   - 
   Backwards compatibility is preserved: all new settings are optional, and 
existing rendered templates are unchanged unless these values are set.
   
   Operational note: when using proxy protocol, operators should set 
real_ip_header to proxy_protocol, configure trusted proxy CIDRs in 
real_ip_from, and ensure the external load balancer actually sends PROXY 
protocol to the exposed listener ports.


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