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Building an API Gateway in Rust

Part 6 - Configuration & Authentication

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Part 6 - Configuration & Authentication

Move your Rust API gateway config into YAML and add JWT-based authentication middleware to protect your backend services.

Part 5 - Load Balancing & Health Checks

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Part 5 - Load Balancing & Health Checks

Add round-robin load balancing to your Rust API gateway, with background health checks that automatically remove unhealthy backends.

Part 4 - Rate Limiting

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Part 4 - Rate Limiting

Implement a token bucket rate limiter as middleware for your Rust API gateway, protecting backends by tracking requests per client IP.

Part 3 - Middleware Pipeline

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Part 3 - Middleware Pipeline

Build a composable middleware system in Rust using traits, implementing logging, CORS, and custom header injection for your API gateway.

Part 2 - Routing & Path Matching

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Part 2 - Routing & Path Matching

Add a routing layer to your Rust API gateway so it forwards requests to different backend services based on URL path patterns.

Part 1 - Project Setup & Your First HTTP Proxy

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Part 1 - Project Setup & Your First HTTP Proxy

Set up a Rust project, learn async basics with Tokio, and build a working reverse proxy that forwards HTTP requests to a backend.