tech(dataproxy): moves cfg to [dataproxy]

pkg/setting/setting.go

@@ -492,7 +492,7 @@ func NewConfigContext(args *CommandLineArgs) error {
 	HttpAddr = server.Key("http_addr").MustString(DEFAULT_HTTP_ADDR)
 	HttpPort = server.Key("http_port").MustString("3000")
 	RouterLogging = server.Key("router_logging").MustBool(false)
-	DataProxyLogging = server.Key("data_proxy_logging").MustBool(false)
+
 	EnableGzip = server.Key("enable_gzip").MustBool(false)
 	EnforceDomain = server.Key("enforce_domain").MustBool(false)
 	StaticRootPath = makeAbsolute(server.Key("static_root_path").String(), HomePath)
@@ -501,6 +501,10 @@ func NewConfigContext(args *CommandLineArgs) error {
 		return err
 	}
 
+	// read data proxy settings
+	dataproxy := Cfg.Section("dataproxy")
+	DataProxyLogging = dataproxy.Key("logging").MustBool(false)
+
 	// read security settings
 	security := Cfg.Section("security")
 	SecretKey = security.Key("secret_key").String()