no need for newlines in docker args

plugins/config/docker-args-deploy

@@ -15,9 +15,9 @@ config_docker_args() {
     config_export global | sed -e "s:^export ::g" -e "s:=':=:g" -e "s:'$::g" > "$DOCKERFILE_ENV_FILE"
     config_export app "$APP" | sed -e "s:^export ::g" -e "s:=':=:g" -e "s:'$::g" >> "$DOCKERFILE_ENV_FILE"
 
-    echo "$STDIN --env-file=$DOCKERFILE_ENV_FILE"
+    echo -n "$STDIN --env-file=$DOCKERFILE_ENV_FILE"
   else
-    echo "$STDIN"
+    echo -n "$STDIN"
   fi
 }
 

plugins/docker-options/docker-args-deploy

@@ -72,7 +72,7 @@ docker_args() {
     done < "$PHASE_FILE_PATH"
   fi
 
-  echo "$STDIN$output"
+  echo -n "$STDIN$output"
 }
 
 docker_args "$@"