diff --git a/Dockerfile b/Dockerfile
index e0007c4..6c47672 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM node:14.21.0-alpine3.16
+FROM node:16.18.0-alpine
 ENV TZ Asia/Shanghai
 
 RUN apk add tzdata && cp /usr/share/zoneinfo/${TZ} /etc/localtime \
@@ -10,7 +10,7 @@ LABEL fly_launch_runtime="nodejs"
 COPY . /app
 WORKDIR /app
 
-RUN npm install
+RUN npm install --production && npm prune --production
 ENV NODE_ENV production
 
 CMD [ "npm", "run", "start" ]