Build a REST API with AWS Lambda & API Gateway (Serverless Engineer Series Ep. 2)
In this episode, you'll learn how to expose your AWS Lambda function over HTTP using API Gateway.
We'll build a real REST API that supports GET and POST requests while learning how API Gateway integrates with Lambda.
What you'll learn:
✅ HTTP APIs
✅ API Gateway
✅ Lambda integration
✅ GET & POST endpoints
✅ Query parameters
✅ Error handling
✅ Resource policies
By the end, you'll have a live API running on AWS.
Timestamp
00:00 - Introduction to connecting Lambda to API Gateway
00:15 - Reviewing the Lambda function code
00:55 - Deploying the updated Lambda function
01:05 - Navigating to API Gateway in the AWS Console
01:10 - Creating a new HTTP API
02:00 - Creating API Routes (GET and POST)
02:35 - Attaching Lambda Integrations to routes
03:00 - Granting API Gateway permissions to invoke Lambda
04:20 - Explaining Auto-deploy and finding the Invoke URL
05:15 - Testing the GET request in a browser
06:22 - Testing the POST request using AWS CloudShell
07:09 - Adding error handling to the Lambda function
08:12 - Final wrap-up and what's next
Previous Episode:
➡️ Build Your First AWS Lambda Function
Next Episode:
➡️ Add DynamoDB to build a real CRUD application.
Source Code:
https://github.com/twk-kobina/become-...
Playlist:
• Become a Serverless Engineer | Complete AW...
#aws #apigateway #lambda #restapi #serverless
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