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Guest book hello world server10/3/2023 ![]() Run the Node.js installer and accept the license agreement. Select the appropriate installer for your operation system requirements.Ģ. CRUD stands for create, read, update, and Delete. These API calls will handle CRUD operations. In this application, we will use Express.js to create a web server and then create API calls. Lastly, the console.log statement shows the address and port in the command prompt or terminal.The application will listen on the defined port, which in this case is “8081,” and variables ‘host’ and ‘port’ will contain the address and the port respectively.Implementing a callback function with parameters ‘request’ and ‘response’.Importing Express framework into our Node.js application.The following are the steps that we followed in this code to create a basic Express web server: The response object represents the HTTP response that an Express app sends when it receives an HTTP request. ![]() The request object represents the HTTP request and contains properties for the request query string, parameters, body, HTTP headers, and so on.Let’s now look at a basic web server that prints “Hello World” on the web browser. We use official Go Docker alpine image to test our server.A Basic “Hello World” Example in Node.js Express □ If you are a newcomer to Docker, I recommend you to read What is a Container? article and its Get Started guild on its official documentation and install the Docker. A container is a standard unit of software that packages up code and all its dependencies so the application runs quickly and reliably from one computing environment to another. □ Docker is a platform for developers and sysadmins to develop, deploy, and run applications with containers. Package main import ( "io" "log" "net/http" "time" ) func main () Dockerfile ![]()
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