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Building Serverless REST APIs in AWS with Java

Pragya Keshap answered on February 20, 2023 Popularity 3/10 Helpfulness 1/10

answer Building Serverless REST APIs in AWS with Java

Building Serverless REST APIs in AWS with Java

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AWSTemplateFormatVersion: '2010-09-09'
Transform: AWS::Serverless-2016-10-31
Description: >
  restapi-java
  SAM Template for rest-api-java
# More info about Globals: https://github.com/awslabs/serverless-application-model/blob/master/docs/globals.rst
Globals:
  Function:
    Timeout: 20
    Tracing: Active
  Api:
    TracingEnabled: True

Resources:
  RESTJavaAPI:
    Type: AWS::Serverless::Function # More info about Function Resource: https://github.com/awslabs/serverless-application-model/blob/master/versions/2016-10-31.md#awsserverlessfunction
    Properties:
      CodeUri: ./build/libs/restapi-java-all.jar
      Handler: com.serverlesscorner.restapi.StreamLambdaHandler
      Runtime: java11
      Architectures:
        - x86_64
      Policies: AWSLambdaBasicExecutionRole
      Timeout: 60
      MemorySize: 512
      Environment: # More info about Env Vars: https://github.com/awslabs/serverless-application-model/blob/master/versions/2016-10-31.md#environment-object
        Variables:
          PARAM1: VALUE
          JAVA_TOOL_OPTIONS: -XX:+TieredCompilation -XX:TieredStopAtLevel=1 # More info about tiered compilation https://aws.amazon.com/blogs/compute/optimizing-aws-lambda-function-performance-for-java/
      Events:
        Service:
          Type: Api # More info about API Event Source: https://github.com/awslabs/serverless-application-model/blob/master/versions/2016-10-31.md#api
          Properties:
            Path: /{proxy+}
            Method: any

  ConfigLambdaPermission:
    Type: "AWS::Lambda::Permission"
    DependsOn:
      - RESTJavaAPI
    Properties:
      Action: lambda:InvokeFunction
      FunctionName: !Ref RESTJavaAPI
      Principal: apigateway.amazonaws.com

Popularity 3/10 Helpfulness 1/10 Language java

Source: Grepper

Tags: building java rest serverless

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Contributed on Feb 20 2023

Pragya Keshap

0 Answers Avg Quality 2/10

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