updates

nodejs-mini-message-board/.dockerignore

@@ -1,3 +1,2 @@
 node_modules/
 Dockerfile
-package-lock.json

nodejs-mini-message-board/Dockerfile

@@ -1,15 +1,17 @@
 FROM node:23-alpine
 
-COPY package.json package-lock.json /app
+COPY package*.json /app/package*.json
 
 WORKDIR /app
 
 RUN npm install .
 
-COPY --chown nobody:nobody ./src /app
+COPY --chown=nobody:nobody ./src /app/src
 
 EXPOSE 3000
 
+USER nobody
+
 CMD ["node", "src/app.js"]
 
 

nodejs-mini-message-board/src/app.js

@@ -18,6 +18,19 @@ app.use(express.urlencoded({ extended: true }));
 app.use("/", indexRouter);
 //app.use("/new", msgRouter);
 
-app.listen(port, () => {
+const server = app.listen(port, () => {
   console.log(`Webserver running on ${port}.`);
 });
+
+// Shutdown Logic
+const gracefulShutdownHandler = (signal) => {
+  console.log(`Caught ${signal}, gracefully shutting down`);
+
+  server.close(() => {
+    console.log(`Shutting down server`);
+    process.exit();
+  });
+};
+
+process.on("SIGINT", gracefulShutdownHandler);
+process.on("SIGTERM", gracefulShutdownHandler);