API with NestJS #148. Understanding the injection scopes
NestJS default behavior is singleton provider scope for classes, sharing one instance for increased performance.
Request scope can be implemented for classes like logged-in-user.service.ts to be initialized per HTTP request.
API with NestJS #145. Securing applications with Helmet
Using the Helmet library with NestJS can help protect applications from vulnerabilities by setting appropriate response headers.
The Helmet library maintains a set of security-related response headers and keeps the list up to date with new headers and deprecating unnecessary ones.
API with NestJS #144. Creating CLI applications with the Nest Commander
Command Line Applications can be created with NestJS using the Nest Commander library
Options in CLI applications can have their own arguments
API with NestJS #142. A video chat with WebRTC and React
Using WebRTC allows for direct peer-to-peer communication without relying on a middleman server, improving performance.
The article provides step-by-step instructions on capturing camera streams and creating video chat rooms using NestJS and React.
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