链接数据库

package.json

@@ -13,8 +13,8 @@
   "author": "hbk01",
   "license": "GPL-3.0-or-later",
   "dependencies": {
-    "dotenv": "^16.3.1",
     "express": "^4.18.2",
-    "mongoose": "^8.0.3"
+    "mongoose": "^8.0.3",
+    "nodemon": "^3.1.0"
   }
 }

pm2.config.cjs

@@ -11,7 +11,8 @@ module.exports = {
         env: {
             "NODE_ENV": "production",
             "PORT": 80,
-            "DATABASE_URI": "mongodb://USERNAME:PASSWORD@localhost:27017",
+            // TODO: change to your own username and password
+            "DATABASE_URI": "mongodb://USERNAME:PASSWORD@localhost:27017/labplus",
         }
     }]
 }

src/controllers/user.js

@@ -33,7 +33,8 @@ router.put("/:id", async (req, res) => {
 router.delete("/:id", async (req, res) => {
     const user = await User.findByIdAndDelete(req.params.id).then(() => {
         res.json({
-            "message": "User deleted successfully"
+            "message": "deleted successfully",
+            user
         })
     }).catch((err) => {
         res.json({ error: err })

src/index.js

@@ -1,17 +1,14 @@
 import Express from "express"
-import dotenv from "dotenv"
 import router from "./router.js"
 import mongoose from "mongoose"
 
-dotenv.config()
-
 const app = Express()
 const PORT = process.env.PORT || 8080
 
 mongoose.connect(process.env.DATABASE_URI)
 const db = mongoose.connection
 
-db.on("error", (error) => console.error(error))
+db.on("error", console.error.bind(console, "connection error:"))
 db.once("open", () => console.log("Connected to Database"))
 
 app.use(Express.json())