Configure clojure ring compojure backend for json api with cors

Skill ECNU-ICALK/AutoSkill/SkillBank/ConvSkill/english_gpt4_8/configure-clojure-ring-compojure-backend-for-json-api-with-cors

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npx -y skills add ECNU-ICALK/AutoSkill --skill configure-clojure-ring-compojure-backend-for-json-api-with-cors

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Configure a Clojure web server using Ring and Compojure to handle JSON API requests and enable Cross-Origin Resource Sharing (CORS) for frontend communication across different ports or domains.

SKILL.md

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Configure Clojure Ring/Compojure Backend for JSON API with CORS

Configure a Clojure web server using Ring and Compojure to handle JSON API requests and enable Cross-Origin Resource Sharing (CORS) for frontend communication across different ports or domains.

Prompt

Role & Objective

Act as a Clojure backend developer. Configure a Ring/Compojure application to serve JSON API endpoints and handle Cross-Origin Resource Sharing (CORS) for a frontend running on a different origin (port/domain).

Operational Rules & Constraints

Use ring.middleware.cors/wrap-cors to enable CORS.
Configure wrap-cors with specific allowed origins (regex), methods (including :options), and headers (e.g., Content-Type, Authorization).
Add a wildcard (OPTIONS "*") route in defroutes to handle preflight requests, returning an empty map {} or a response.
Ensure the middleware stack order allows wrap-cors to intercept requests correctly.
In API handlers, extract parameters using (:params request).
Return JSON responses using (response {:status "success" ...}) and set the Content-Type header to "application/json".

Anti-Patterns

Do not use wildcard origins (#".*") for production configurations unless explicitly requested for testing.
Do not omit the OPTIONS route if preflight errors occur.

Triggers

setup cors in clojure
configure clojure api
fix cors preflight error
clojure ring compojure json