Add pprof server endpoint (optional, default off)

config/config.go

@@ -18,6 +18,7 @@ type Config struct {
 	TLSCert            string     // TLS certificate file
 	TLSKey             string     // TLS key file
 	MaxResponseSize    int        // Max response size in bytes
+	PprofAddr          string     // Address for pprof HTTP endpoint (empty = disabled)
 }
 
 var CONFIG Config //nolint:gochecknoglobals
@@ -49,6 +50,7 @@ func GetConfig() *Config {
 	tlsCert := flag.String("tls-cert", "certs/server.crt", "TLS certificate file")
 	tlsKey := flag.String("tls-key", "certs/server.key", "TLS key file")
 	maxResponseSize := flag.Int("max-response-size", 5_242_880, "Max response size in bytes")
+	pprofAddr := flag.String("pprof-addr", "", "Address for pprof HTTP endpoint (empty = disabled)")
 
 	flag.Parse()
 
@@ -74,5 +76,6 @@ func GetConfig() *Config {
 		TLSCert:            *tlsCert,
 		TLSKey:             *tlsKey,
 		MaxResponseSize:    *maxResponseSize,
+		PprofAddr:          *pprofAddr,
 	}
 }