In this blog post, we will explore the seamless integration of AWS API Gateway Websockets with Lambda functions using Terraform. Dive into the world of serverless communication as we guide you through the setup, configuration, and deployment process, unlocking the power of real-time, bidirectional communication for your applications. Whether you’re a seasoned developer or just starting with AWS infrastructure as code, this post will provide valuable insights and a step-by-step walkthrough to harness the potential of AWS API Gateway Websockets and Lambda functions with the efficiency and control offered by Terraform.
Source Code: https://github.com/NadunOvitigala/aws-apiwebsocket_and_lambda_with_terraform
Clone the terraform code and run it
terraform init
terraform plan
terraform applyGo to API gateway and select websocket-api
Then find the connection URL on stage section
Copy and please update on Sendmessage , Broadcast Lambda functions python codes and deploy it
Note : please remove /@connections parth from the URL
After the these changes go to the apigateway and find the websocket URL on stage section
Go https://www.piesocket.com/websocket-tester to test our websocket api
Paste the copied websocket URL and connect
Lets send a test message
{ "action": "sendmessages", "message":"hello" }
You should see the “waiting for response message….“
Then go to the AWS Cloudwatch and select the SendMessage log group
select the latest log stream and find the connectionID
in my case it is “POSPDfYqBcwCEgQ=“
Go to the Broadcast Lambda function and create a test event like bellow json
Note : please update your connectionID
{
"connectionId": "POSPDfYqBcwCEgQ=",
"message": "testing"
}
Save & Test
Go the https://www.piesocket.com/websocket-tester
Now you can see the “testing” message that we send
to destroy the environment please type bellow command in your terminal
terraform destroy
Thank You!!