Constant SERVER_NAME 

pub const SERVER_NAME: &str = "server_name";

👎Deprecated:

Use SERVER__ADDRESS (server.address) instead.

Server domain name if available without reverse DNS lookup; otherwise, IP address or Unix domain socket name.

• Scrubbing: Manual
• Rewriting behavior: Backfill

Aliases

• ADDRESS (address)
• SERVER__ADDRESS (server.address)
• HTTP__SERVER_NAME (http.server_name)
• NET__HOST__NAME (net.host.name)
• HTTP__HOST (http.host)