Build an API Proxy Server - Hide Your API Keys, Rate Limiting & Caching

Traversy Media · Intermediate ·🔧 Backend Engineering ·4y ago

Key Takeaways

Build an API proxy server using Node.js and Express to hide public API keys, implement rate limiting, and caching.

Original Description

We will use Node.js & Express to create a server in order to hide public API keys, add rate limiting and caching 💻 Code: https://github.com/bradtraversy/node-api-proxy-server Demo App: https://traversy-weather-app.herokuapp.com Node.js API Masterclass Course: (promo code: OCTOBER2021) https://www.udemy.com/course/nodejs-api-masterclass/?referralCode=F95A0D3B9CA1DB648F55 👇 Website & Courses: https://traversymedia.com 💖 Show Support Patreon: https://www.patreon.com/traversymedia PayPal: https://paypal.me/traversymedia 👇 Follow Me On Social Media: Twitter: https://twitter.com/traversymedia Instagram: https://www.instagram.com/traversymedia Linkedin: https://www.linkedin.com/in/bradtraversy Timestamps: 0:00 - Intro 2:48 - Dependencies & scripts 4:45 - Basic Express server 6:15 - Environment variables 8:00 - Create the route 10:40 - Request from server 15:50 - Forwarding query params 19:55 - Rate limiting 22:40 - API caching 24:28 - Use server with the client app 26:50 - Deploy to Heroku 30:20 - Environment variables on Heroku
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This video teaches how to build an API proxy server using Node.js and Express to hide public API keys, add rate limiting, and caching, and deploy it to Heroku.

Key Takeaways
  1. Create a new Node.js project
  2. Install required dependencies
  3. Set up a basic Express server
  4. Create environment variables for API keys
  5. Implement rate limiting and caching
  6. Forward query parameters
  7. Deploy to Heroku
💡 Using an API proxy server can help hide public API keys and improve security by adding rate limiting and caching.

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Chapters (12)

Intro
2:48 Dependencies & scripts
4:45 Basic Express server
6:15 Environment variables
8:00 Create the route
10:40 Request from server
15:50 Forwarding query params
19:55 Rate limiting
22:40 API caching
24:28 Use server with the client app
26:50 Deploy to Heroku
30:20 Environment variables on Heroku
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