Examples
Go Logging Setup
Setting Up Logging
Go logging setup with zerolog logs requests and errors.
Introduction to Zerolog
Zerolog is a fast and efficient logging library for Go, designed to provide both speed and flexibility. It allows developers to log structured data, making it easier to parse and analyze logs. This tutorial will guide you through setting up Zerolog in a Go application to log HTTP requests and errors effectively.
Installing Zerolog
To start using Zerolog in your Go project, you need to install it. You can do this by running the following command:
Basic Zerolog Setup
Once installed, you can start using Zerolog in your Go application. Let's set up a basic logging configuration to see how it works:
In the example above, we configure Zerolog to output logs to the console with a Unix timestamp format. The log.Info() function is used to log informational messages, while log.Error() is used for logging errors. Note that you need to handle any errors like err gracefully in your application.
Logging HTTP Requests
To log HTTP requests, you'll need to integrate Zerolog with your HTTP server. Here's how you can do it:
In this example, we set up a simple HTTP server that logs each incoming request. The log.Info() method is used to log the HTTP method and URL of the request. This is useful for tracking incoming traffic and debugging issues.
Handling Errors with Zerolog
Zerolog provides a straightforward way to log errors, making it easy to track and diagnose application issues. Here's an example of logging an error:
Here, we simulate an error using the errors package and log it using Zerolog's log.Error() method. The Err(err) function attaches the error information to the log entry, making it easier to identify and fix issues in your application.
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