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A ready-to-use template for developing and deploying AWS Lambda functions. This repository offers a streamlined and practical approach for quickly setting up AWS Lambda functions, particularly aimed at those using Node.js. It includes pre-configured settings and instructions for easy deployment and testing.

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AWS Lambda with Node.js and API Gateway Integration Guide and Template

This guide provides steps for creating a Node.js AWS Lambda function and integrating it with AWS API Gateway.

Step 1: Create a Node.js Lambda Function

  1. Sign In to AWS Management Console: Navigate to the AWS Management Console and sign in.

  2. Open Lambda Service: Search for "Lambda" and select the Lambda service.

  3. Create Function:

    • Click "Create function."
    • Choose "Author from scratch."
  4. Function Configuration:

    • Name your function.
    • For the runtime, select "Node.js."
    • Under permissions, choose "Create a new role with basic Lambda permissions."
  5. Create Function: Click on "Create function."

  6. Function Code:

    • Upload your index.js and package.json, or use the inline code editor.
    • Click "Deploy" to save.

Step 2: Create an API Gateway

  1. Open API Gateway Service: Search for "API Gateway" and select it.

  2. Create API:

    • Click "Create API."
    • Choose between "HTTP API" and "REST API."
    • Click "Build."
  3. Configure API:

    • Name your API.
    • Choose an HTTP method or select "ANY."
    • Link to your Lambda function.
    • Confirm permissions to invoke the Lambda.
  4. Deploy API:

    • Create a new stage (e.g., "dev", "prod").
    • Click "Deploy."

Step 3: Test and Deploy

  1. Testing: Use the test feature in both Lambda and API Gateway consoles.

  2. Deployment:

    • The API Gateway will provide an Invoke URL.
    • In the Lambda console, find your function's ARN.
  3. API Gateway URL: Use this URL to call your API.

Step 4: Call Your API

  • Use the provided API Gateway URL in applications or API testing tools to make requests.

Important Notes

  • Ensure appropriate IAM permissions for creating Lambda functions and API Gateways.
  • Consider securing your API with keys, authorization, and CORS.
  • Utilize CloudWatch for monitoring and logging.

This guide provides a basic overview. Specific details may vary based on AWS Console updates or individual configurations.

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A ready-to-use template for developing and deploying AWS Lambda functions. This repository offers a streamlined and practical approach for quickly setting up AWS Lambda functions, particularly aimed at those using Node.js. It includes pre-configured settings and instructions for easy deployment and testing.

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