Now that you have your program’s directory created and you’re in the httpserver directory, you can start implementing your HTTP server. In this case, use the directory httpserver: Next, make the directory for your project and navigate to that directory. In this tutorial, you’ll use a directory named projects.įirst, make the projects directory and navigate to it: Many developers keep their projects in a directory to keep them organized. Then, you will expand that program to run multiple HTTP servers in the same program.īefore you write any code, though, you’ll need to get your program’s directory created. In this section, you will create a program that uses the http.ListenAndServe function to start an HTTP server that responds to the request paths / and /hello. The net/http package not only includes the ability to make HTTP requests, but also provides an HTTP server you can use to handle those requests. In Go, most of the HTTP functionality is provided by the net/http package in the standard library, while the rest of the network communication is provided by the net package. Familiarity with how HTTP requests are composed and sent (recommended). ![]() Experience running goroutines and reading channels, which can be gained from the tutorial, How To Run Multiple Functions Concurrently in Go.Experience with Go’s context package, which can be attained in the tutorial, How To Use Contexts in Go.Familiarity with using JSON in Go, which can be found in the How To Use JSON in Go tutorial.To read up on curl, check out How To Download Files with cURL. Ability to use curl to make web requests.To set this up, follow the How To Install Go tutorial for your operating system. You’ll also update your program to respond to the request with your own HTTP headers and status codes. In this tutorial, you will create an HTTP server using Go’s standard library and then expand your server to read data from the request’s query string, the body, and form data. The Go standard library provides built-in support for creating an HTTP server to serve your web content or making HTTP requests to those servers. The Hypertext Transfer Protocol (HTTP) serves much of this content, whether it’s a request for a cat image or a request to load the tutorial you’re reading now. Many developers spend at least some of their time creating servers to distribute content on the internet. OpenTelemetry is available for most programming languages and provides interoperability across different languages and environments.The author selected the Diversity in Tech Fund to receive a donation as part of the Write for DOnations program. With OpenTelemetry, you can instrument your application once and then add or change vendors without changing the instrumentation, for example, here is a list popular DataDog alternatives open in new window that support OpenTelemetry. ![]() Otel allows developers to collect and export telemetry data in a vendor agnostic way. OpenTelemetry open in new window is an open-source observability framework for distributed tracing open in new window (including logs and errors) and OpenTelemetry metrics open in new window. This article will teach you how to monitor net/http performance using OpenTelemetry observability framework. It allows you to make and serve HTTP requests in Golang. Package net/http provides HTTP client and server implementations. Monitor Go net/http performance with OpenTelemetry
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