Merge pull request #5 from jolynloh/BE/mongodbsetup

Implement API for create and update question

Author: jolynloh

backend/question-service/index.ts renamed to backend/question-service/app.ts

@@ -1,28 +1,26 @@
-import express, { Express, Request, Response } from "express";
+import express, { Request, Response } from "express";
 import dotenv from "dotenv";
-import path from "path";
 import swaggerUi from "swagger-ui-express";
 import yaml from "yaml";
 import fs from "fs";
 
-const envFilePath = path.join(
-  path.resolve(path.dirname(path.dirname(__dirname))),
-  ".env",
-);
+import connectDB from "./config/db.ts";
+import questionRoutes from "./src/routes/questionRoutes.ts";
+
+dotenv.config();
 
 const file = fs.readFileSync("./swagger.yml", "utf-8");
 const swaggerDocument = yaml.parse(file);
 
-dotenv.config({ path: envFilePath });
-
-const app: Express = express();
+const app = express();
 
-const PORT = process.env.QUESTION_SERVICE_PORT || 3000;
+connectDB();
 
+app.use(express.json());
+app.use("/api", questionRoutes);
+app.use("/docs", swaggerUi.serve, swaggerUi.setup(swaggerDocument));
 app.get("/", (req: Request, res: Response) => {
   res.status(200).json({ message: "Hello world from question service" });
 });
 
-app.use("/docs", swaggerUi.serve, swaggerUi.setup(swaggerDocument));
-
-app.listen(PORT, () => console.log(`Listening on port ${PORT}`));
+export default app;

backend/question-service/config/db.ts

@@ -0,0 +1,20 @@
+import mongoose from "mongoose";
+import dotenv from "dotenv";
+
+dotenv.config();
+
+const connectDB = async () => {
+  try {
+    if (process.env.MONGO_URI == undefined) {
+      throw new Error("MONGO_URI is undefined");
+    }
+
+    await mongoose.connect(process.env.MONGO_URI);
+    console.log("MongoDB connected");
+  } catch (error) {
+    console.error(error);
+    process.exit(1);
+  }
+};
+
+export default connectDB;