/Order-Processing-StateMashine_AWS-SAM

Primary LanguageTypeScript

Order Processing App

This is a small serverless application that process the order, builded in cloud on event-driven architecture with the help of serverless SAM framework and AWS infrastructure

Used AWS services:

  • API Gateway
  • SQS
  • Lambda
  • Step Functions
  • DynamoDB
  • CloudWatch Logs

App architecture diagram

Deploy application

#go to the root project directory
$ cd path/to/projectDirectory

#build an application with sam-cli
$ sam build

#deploy application to your AWS account
$ sam deploy --guided

Test

Go to AWS API Gateway Console, select right api-gateway and copy it's public URL

Now you can send a POST request to the /order path with the same body structure:

{
  "customerId": "1",
  "productsInfo": [
    {
      "id": "1",
      "count": 1
    },
    {
      "id": "2",
      "count": 1
    }
  ]
}

Warning

To get the result, you must create some items in CustomerTable and ProductsTable

CustomersTable example item:

{
  "id": "1",
  "fullName": "Name Surname",
  "email": "email@example.com",
  "balance": 1
}

ProductsTable example item:

{
  "id": "1",
  "name": "product1",
  "type": "type1",
  "price": 1,
  "count": 1
}