chore: add LICENSE, badges, and architecture diagram#25
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- Add MIT LICENSE / SECURITY.md / CODE_OF_CONDUCT.md where missing - Add CI/license status badges and architecture diagrams to key READMEs - Reconcile documentation with actual repository state
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Code Review
This pull request adds an MIT license file and updates the README.md with status badges and an architecture diagram. The feedback suggests reordering the architecture flow to place the rate limiter before JWT authentication to mitigate potential denial of service (DoS) vulnerabilities caused by expensive cryptographic verification of unauthenticated requests.
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| Client -->|HTTPS| GW[API Gateway] | ||
| GW --> Auth[JWT Auth] | ||
| Auth --> RL[Rate Limiter] | ||
| RL --> Val[Zod Validation] | ||
| Val --> Router[Router / Proxy] | ||
| Router --> SvcA[Service A] | ||
| Router --> SvcB[Service B] | ||
| Router --> SvcC[Service C] | ||
| RL -.-> Redis[(Redis)] |
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In an API gateway, rate limiting and DDoS protection should be executed before authentication (JWT Auth). If authentication is performed first, unauthenticated clients can flood the gateway with requests, forcing it to perform expensive cryptographic JWT verification on every request, which can easily lead to CPU exhaustion and denial of service.
Please update the architecture diagram to place the Rate Limiter before JWT Auth. Additionally, remember to update the description below the diagram (lines 236-237) to reflect this flow.
| Client -->|HTTPS| GW[API Gateway] | |
| GW --> Auth[JWT Auth] | |
| Auth --> RL[Rate Limiter] | |
| RL --> Val[Zod Validation] | |
| Val --> Router[Router / Proxy] | |
| Router --> SvcA[Service A] | |
| Router --> SvcB[Service B] | |
| Router --> SvcC[Service C] | |
| RL -.-> Redis[(Redis)] | |
| Client -->|HTTPS| GW[API Gateway] | |
| GW --> RL[Rate Limiter] | |
| RL --> Auth[JWT Auth] | |
| Auth --> Val[Zod Validation] | |
| Val --> Router[Router / Proxy] | |
| Router --> SvcA[Service A] | |
| Router --> SvcB[Service B] | |
| Router --> SvcC[Service C] | |
| RL -.-> Redis[(Redis)] |
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Micro-Learning Topic: Denial of service (Detected by phrase)
Matched on "denial of service"
The Denial of Service (DoS) attack is focused on making a resource (site, application, server) unavailable for the purpose it was designed. There are many ways to make a service unavailable for legitimate users by manipulating network packets, programming, logical, or resources handling vulnerabilities, among others. Source: https://www.owasp.org/index.php/Denial_of_Service
Try a challenge in Secure Code Warrior
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Pull request overview
This PR improves the repository’s presentation and project metadata by adding an MIT license file, surfacing CI/security status via README badges, and documenting a high-level gateway request-flow diagram.
Changes:
- Add GitHub Actions and tech/license badges to the README.
- Add a Mermaid architecture diagram describing the gateway request flow.
- Add an MIT
LICENSEfile.
Reviewed changes
Copilot reviewed 2 out of 2 changed files in this pull request and generated 3 comments.
| File | Description |
|---|---|
| README.md | Adds badges and an architecture diagram to improve project visibility and documentation. |
| LICENSE | Adds the MIT license text for clear repository licensing. |
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| ## License | ||
|
|
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| Choose the license that fits your project, such as MIT, Apache-2.0, or a private internal license. |
| flowchart LR | ||
| Client -->|HTTPS| GW[API Gateway] | ||
| GW --> Auth[JWT Auth] | ||
| Auth --> RL[Rate Limiter] | ||
| RL --> Val[Zod Validation] | ||
| Val --> Router[Router / Proxy] | ||
| Router --> SvcA[Service A] | ||
| Router --> SvcB[Service B] | ||
| Router --> SvcC[Service C] | ||
| RL -.-> Redis[(Redis)] |
| *Requests flow through authentication, Redis-backed rate limiting, schema | ||
| validation, and routing before reaching downstream services.* |
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| [](https://github.com/donny-devops/node-ts-api-gateway/actions/workflows/ci.yml) | ||
| [](https://github.com/donny-devops/node-ts-api-gateway/actions/workflows/security-hygiene.yml) | ||
| [](https://www.typescriptlang.org/) | ||
| [](LICENSE) |
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This commit now publishes a concrete MIT license via the badge and LICENSE file, but the README's License section still says to choose a license (README lines 217-219). That leaves consumers with contradictory licensing instructions; please update the section to state that the project is MIT licensed or remove the placeholder text.
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| Client -->|HTTPS| GW[API Gateway] | ||
| GW --> Auth[JWT Auth] | ||
| Auth --> RL[Rate Limiter] | ||
| RL --> Val[Zod Validation] |
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This diagram says every request reaches a Zod Validation step, but in this commit the only zod reference outside docs is the dependency entry, and src/server.ts goes from rate limiting/JWT/DDoS/sanitise/auth to registerProxyRoutes without registering validation middleware. In deployments that rely on the README to enumerate enforced security controls for proxied traffic, this overstates request validation; please either add the validation layer or mark it as planned.
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Adds MIT LICENSE, README status badges, and a Mermaid architecture diagram of the gateway request flow.