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fix: validate required environment variables before startup #25

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Merged
yash-pouranik merged 1 commit into from
Feb 10, 2026
Merged

fix: validate required environment variables before startup #25

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3 changes: 3 additions & 0 deletions backend/app.js
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Original file line number Diff line number Diff line change
@@ -1,6 +1,9 @@
const dotenv = require('dotenv');
dotenv.config();

const validateEnv = require('./utils/validateEnv');
validateEnv();

const express = require('express')
const mongoose = require('mongoose')
const cors = require('cors')
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13 changes: 13 additions & 0 deletions backend/utils/validateEnv.js
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Original file line number Diff line number Diff line change
@@ -0,0 +1,13 @@
const requiredEnvVars = ["MONGO_URL", "PORT", "REDIS_URL"];

function validateEnv() {
const missing = requiredEnvVars.filter((key) => !process.env[key]);

if (missing.length) {
console.error("❌ Missing required environment variables:");
missing.forEach((key) => console.error(` - ${key}`));
process.exit(1);
}
}
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module.exports = validateEnv;
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