Learn how to sart Typescript and Node.js AWS function with Serverless. We will use the latest stable version of Serverless (2.35.0) to build a “simple” serverless project — A REST API with AWS Lambda function and API gateway. Enter the blog-serverless-backend-nodejs folder and run the npm.
In this article, we will talk about starting a project with Serverless and TypeScript. The article requires basic knowledge about AWS serverless architecture, the Serverless framework, and TypeScript.
We will use the latest stable version of Serverless (2.35.0) to build a “simple” serverless project — A REST API with AWS Lambda function and API gateway.
$ mkdir ts-jest-serverless $ cd ts-jest-serverless $ npm install serverless --no-save
Install the serverless package with
--no-save option to avoid creating
package.json file. In the next part, we will use a template to initiate the project.
This is an easy way to initialize our project when we want to build the project with TypeScript.
$ npx serverless create --template aws-nodejs-typescript $ npm install
Now we have some configuration files:
serverless.ts— Serverless config
tsconfig.json— Typescript config
webpack.config.js— Webpack config
And we have and simple function —
Let’s update the project’s information in
serverless.ts file if necessary.
“Strong type” for function definition. As you can see, the
hello function definition is exported as an object without type, we can’t use the Typescript suggestion and type check feature right here. Let’s export
AWSFunction as a common type in
Bypass the complex middleware and consider a lightweight node.js implementation to deploy serverless functions from your mainframe CICS applications.
The main goal of this blog is to explain the “Architecture of Nodejs” and to know how the Nodejs works behind the scenes. Generally, most of the server-side languages, like PHP, ASP.NET, Ruby, and including Nodejs follows multi-threaded architecture. That means for each client-side request initiates a new thread or even a new process.
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