DEV Community

Using Logger Middleware in Go Fiber

Middleware in Go Fiber is used to process requests before they reach route handlers, and one such middleware is the Logger middleware. The Logger middleware logs request details such as method, path, status, and response time, which helps with debugging and monitoring. To use the Logger middleware, the necessary package must be installed using the command go get github.com/gofiber/fiber/v2/middleware/logger. This command installs the Logger middleware, which logs HTTP requests. The Logger middleware provides structured logging for incoming requests, and it can be applied to a Fiber app using the app.Use(logger.New()) function. To customize the Logger middleware, a custom configuration can be passed to the logger.New function, allowing for changes to the log format and output. The log format can be customized using fields such as ${time}, ${status}, ${method}, ${path}, and ${latency}, which capture the request time, status, method, path, and processing time, respectively. The Logger middleware is useful for tracking incoming requests and debugging issues, and it can be used to identify performance bottlenecks by capturing the request processing time. By following the steps outlined in the tutorial, developers can easily use and customize the Logger middleware in their Go Fiber applications. The Logger middleware is a valuable tool for any Go Fiber project, and it can help developers to build more robust and efficient applications. Overall, the Logger middleware is a simple yet powerful tool that can be used to improve the debugging and monitoring capabilities of Go Fiber applications.
favicon
dev.to
dev.to
Create attached notes ...