Backend Boilerplates
javascript
Beginner
Node.js Startup Env Validator
Fail fast on process start if required environment variables are absent or empty.
javascript
const required = ['DATABASE_URL', 'JWT_SECRET', 'PORT'];
for (const key of required) {
if (!process.env[key]) {
console.error('[FATAL] Missing env var:', key);
process.exit(1);
}
}
module.exports = {
db: process.env.DATABASE_URL,
jwt: process.env.JWT_SECRET,
port: Number(process.env.PORT),
};Prerequisites
- Node.js >= 16
Pro Tips
- → Import as the very first line of your entry point.
Commercial Licensing
Acquire a production access token or template license for enterprise deployment.
Module Info
- Language
- javascript
- Level
- Beginner
- Read time
- 1 min
- Published
- Jun 2024
- License
- Commercial License
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