micronaut-security-serverless-sample

Sample serverless application using Micronaut (Security, Data, AWS), API Gateway and GraalVM

• Micronaut 3.5.3
• SAM
• Cockroach
• TestContainers
• Java 11

Build for JVM execution

micronaut-security-serverless-sample % make build

Build for GraalVM execution

micronaut-security-serverless-sample % make build-graalvm

Start Application

This command starts the docker containers, sam local api and build the project.

micronaut-security-serverless-sample % make run

Debug Application

1 - Configure intellij remote debugging. 2 - Execute this command

micronaut-security-serverless-sample % make debug

3 - Send request

4 - Start debug

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SQL Commands

You can use docker exec to execute sql commands in local cockroach. After the first execution, use this command to insert role in table.

docker exec cockroach-db /cockroach/cockroach sql --insecure --database=security --execute="INSERT INTO public.tb_role (id, "type") VALUES(1, 'ROLE_USER');"

Local Execution

Create user

curl -X "POST" "http://localhost:3000/users/register" \
-H 'Content-Type: application/json; charset=utf-8' \
-d $'{
    "email": "user@gmail.com",
    "password": "12345678"
}'

Authenticate user

curl -X "POST" "http://localhost:3000/login" \
-H 'Content-Type: application/json; charset=utf-8' \
-d $'{
    "username": "user@gmail.com",
    "password": "12345678"
}'

Get user profile

curl -X "GET" "http://localhost:3000/users/profile" \
-H 'Content-Type: application/json; charset=utf-8' \
--header 'Authorization: Bearer {{access_token}}' 

Cockroach client

http://localhost:8080

Deploy for GraalVM Compilation

1 - For GraalVM compilations, create an aws lambda function with Amazon Linux 2 custom runtime.

2 - Upload the zip file generated by the build

micronaut-security-serverless-sample/build/libs/micronaut-security-serverless-sample-0.1-lambda.zip

3 - Add the environment variables with cockroach database parameters. You can create a free tier serverless cockroach database

4 - Change memory to 256 MB

Integrate with API Gateway

1 - Create a REST API Gateway

2 - Map each route in the API gateway and enable lambda integration proxy

3 - Deploy API gateway stage

Requests to api gateway

• Create user

curl -X "POST" "https://{api-gateway-alias}.execute-api.us-east-1.amazonaws.com/prod/users/register" \
-H 'Content-Type: application/json; charset=utf-8' \
-d $'{
    "email": "user@gmail.com",
    "password": "12345678"
}'

• Authenticate user

curl -X "POST" "https://{api-gateway-alias}.execute-api.us-east-1.amazonaws.com/prod/login" \
-H 'Content-Type: application/json; charset=utf-8' \
-d $'{
    "username": "user@gmail.com",
    "password": "12345678"
}'

• Get user profile

curl -X "GET" "https://{api-gateway-alias}.execute-api.us-east-1.amazonaws.com/prod/users/profile" \
-H 'Content-Type: application/json; charset=utf-8' \
--header 'Authorization: Bearer {{access_token}}'