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Nginx OpenResty API Gateway with Rate Limiting and Auth

Build a lightweight API gateway on top of Nginx/OpenResty that authenticates requests via JWT, enforces per-client rate limits using shared-memory dictionaries, and proxies traffic to backend services. Learners practice high-performance Lua scripting inside Nginx's request lifecycle and shared-memory concurrency patterns.

Estimate
~10.5h
Steps
5
Completed by
0
Proposed by
codeseed.app

OpenResty · lua-resty-jwt · Nginx

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Project roadmap

  1. 01

    Set up OpenResty environment

    ~1.5h

    Install OpenResty and configure an Nginx server block with lua_shared_dict for state.

  2. 02

    Implement JWT authentication

    ~2.5h

    Use lua-resty-jwt to validate bearer tokens in an access_by_lua phase before proxying.

  3. 03

    Implement rate limiting

    ~2.5h

    Use shared dictionaries to track request counts per client and reject over-limit requests.

  4. 04

    Add request routing and proxying

    ~2h

    Configure proxy_pass rules to route authenticated requests to backend services.

  5. 05

    Load test and tune

    ~2h

    Benchmark the gateway under concurrent load and tune shared dict sizes and worker settings.

Resources

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~10.5h · 5 steps

Tech stack

OpenRestylua-resty-jwtNginx