Add health check endpoints

Author: pratik50

src/index.ts

@@ -2,6 +2,7 @@ import express from 'express';
 import dotenv from 'dotenv';
 import authRouter from './routes/auth';
 import fileRouter from './routes/file';
+import healthRouter from './routes/health';
 import cors from 'cors';
 
 dotenv.config();
@@ -14,6 +15,8 @@ app.use("/api/auth", authRouter);
 
 app.use("/api/files", fileRouter);
 
+app.use("/health", healthRouter);
+
 // Serve static files
 app.use('/pdfjs', express.static("public/pdfjs"));
 app.use('/build', express.static("public/build"));

src/modules/health/detailedHealth.ts

@@ -0,0 +1,26 @@
+import { Request, Response } from "express";
+import prisma from "../../prismaClient/client";
+
+export const detailedSeverHealthInfo = async (req: Request, res: Response) => {
+
+    const healthcheck = {
+        message: "OK",
+        uptime: process.uptime(),
+        timeStamp: new Date().toISOString(),
+        services: {
+            database: "unknown"
+        }
+    }
+
+    try {
+        // Prisma DB check
+        await prisma.$queryRaw`SELECT 1`;
+        healthcheck.services.database = "connected";
+
+        res.status(200).json(healthcheck);
+    } catch (error: any) {
+        healthcheck.services.database = "disconnected";
+        healthcheck.message = error.message;
+        res.status(503).json(healthcheck);
+    }
+}

src/modules/health/simpleHealth.ts

@@ -0,0 +1,8 @@
+import { Request, Response } from "express";
+
+export const simpleSeverHealthInfo = (req: Request, res: Response) => {
+    res.status(200).json({
+        status: "OK",
+        message: "👍 Sever is healthy"
+    })
+}

src/routes/health.ts

@@ -0,0 +1,10 @@
+import Express from "express"
+import { simpleSeverHealthInfo } from "../modules/health/simpleHealth";
+import { detailedSeverHealthInfo } from "../modules/health/detailedHealth";
+
+const healthRouter = Express.Router();
+
+healthRouter.get("/", simpleSeverHealthInfo);
+healthRouter.get('/detailed', detailedSeverHealthInfo);
+
+export default healthRouter;