Amazon API Gateway

• Refer Here for pattern details
• Two kinds of developers will be using API Gateways
  • API developers:
    • works with the API Gateway service component to create, configure and deploy the APIs
    • Create servcies which get called
  • app developers
    • work with API gateway which is available to develop the front end logic.
    • Call the API Gateway
• Concepts:
  • API Gateway in AWS helps to create
    • RESTful APIs
    • WebSocket API
• Pricing: Refer Here
• API Gateway Infra

Creating a REST API by importing Open API Specification

• Navigate to API Gateway , select Rest and import.
• Select different API methods and test.

Creating a Lambda API Gateway Integration

• Try creating a lamda helloworld and integrate with API Gateway

Next Steps

• Step Functions
• SQS
• Cognito, WAF and shield

AWS Step functions

• It is a web service that enables coordination of the components of distributed applications and microservices using workflow (visual)
• In step functions we define state machines using Json Amazon States Language
• In step functions we create Workflows which are of two types
  • Standard:
    • Long running
  • Express
    • short duration and high volume