[Fix] Replace reserved word deamon with deamonize

src/deployer.sh

@@ -246,7 +246,7 @@ process_loop() (
 
 main() (
 	# Parse arguments.
-	daemon="false"
+	daemonize="false"
 	keep_open="true"
 	config_file="${DEFAULT_CONFIG_FILE}"
 	errors_file="${DEFAULT_ERRORS_FILE}"
@@ -268,7 +268,7 @@ main() (
 			shift 2
 			;;
 		-d | --daemon)
-			daemon="true"
+			daemonize="true"
 			shift
 			;;
 		-e | --errs)
@@ -415,7 +415,7 @@ main() (
 		) &
 
 		# Run process loop in background or foreground.
-		if "${daemon}"; then
+		if "${daemonize}"; then
 			log_info "Run process loop in background."
 			process_loop &
 			echo "$!" >"${deployer_pid}"