AWS API Gateway - EC2 Integration (Console + Terraform | Backend | Endpoint | HTTP | Node JS)
Source: YouTube · Anton Putra · published Aug 2, 2022 · 44:50
This video demonstrates three methods to integrate AWS API Gateway with EC2 instances using both AWS console and Terraform, with the autoscaling approach being recommended for production [0:00, 29:34].
Key Takeaways:
• First example uses direct public integration, which is simple but requires exposing EC2 to the internet with no easy way to restrict access to only API Gateway [0:13, 5:36]
• Second example implements private integration using a VPC link and network load balancer, restricting access so only API Gateway can route traffic to the EC2 [0:45, 20:45]
• Third example uses an autoscaling group with network load balancer to automatically add instances when CPU usage exceeds 25% [1:05, 1:16, 33:30]
• Each approach is demonstrated first in AWS console and then implemented using Terraform [0:33, 13:41]
• The presenter uses a Node.js Express app with a health check endpoint and a Fibonacci endpoint for load testing [1:42, 3:29]
The third approach with autoscaling is ideal for production as it provides both security and scalability for REST APIs running on EC2 instances [3:24, 29:34].
Sources:
- 0:00 Introduction to the topic of integrating AWS API Gateway with EC2
- 0:13 Explanation of direct public integration
- 0:33 Creating objects manually in AWS console
- 0:45 Private integration using VPC link and network load balancer
- 1:05 Third example using autoscaling group
- 1:16 Autoscaling based on CPU usage
- 1:42 Node.js Express app for demonstration
- 3:24 Benefits for stateless applications
- 3:29(https://www.youtube.com/watch?v=XhS2J
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Transcript Preview
First 800 characters of the transcript
In this video, I'll show you how to integrate AWS
API Gateway with EC2 instances using AWS console and terraform. In the first example, we will use
direct public integration. We will create AWS API Gateway and EC2 instance that will have a public
IP address. This is the simplest way to integrate those two services, but it has a few drawbacks.
For example, there is no easy way to restrict that only API Gateway can access EC2; your service
will be wide open to the Internet. First, we will create all those objects manually from the AWS
console, and then I'll show you how to reproduce exactly the same setup using Terraform. In the
second example, we will use private integration using a VPC link and an internal network load
balancer. In that way, we can restrict access so that only the …