AWS Lambda is a serverless computing service provided by Amazon to reduce the configuration of servers, OS .
AWS Lambda lets you run code without provisioning or managing servers—it scales automatically and only charges for the time your code is running
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<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-function-adapter-aws</artifactId>
</dependency>
<dependency>
<groupId>com.amazonaws</groupId>
<artifactId>aws-lambda-java-events</artifactId>
<version>2.0.2</version>
</dependency>
<dependency>
<groupId>com.amazonaws</groupId>
<artifactId>aws-lambda-java-core</artifactId>
<version>1.1.0</version>
</dependency>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-deploy-plugin</artifactId>
<configuration>
<skip>true</skip>
</configuration>
</plugin>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
<dependencies>
<dependency>
<groupId>org.springframework.boot.experimental</groupId>
<artifactId>spring-boot-thin-layout</artifactId>
<version>1.0.17.RELEASE</version>
</dependency>
</dependencies>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-shade-plugin</artifactId>
<version>3.2.4</version>
<configuration>
<createDependencyReducedPom>false</createDependencyReducedPom>
<shadedArtifactAttached>true</shadedArtifactAttached>
<shadedClassifierName>aws</shadedClassifierName>
</configuration>
</plugin>
</plugins>
How to use:
- Build Jar
- Create Lambda Funtion on AWS, then Edit basic Setting of Lambda Function and add Handler as com.springboot.aws.lambda.OrderHandler -> save
- Now specify which function to execute,, for that edit enviroment variable -> add "FUNCTION_NAME" : orders -> save
- Now goto action(near Function Code) -> upload jar file -> save
- Now click on dropdown (select a test event) -> Configure test event -> event name ( lambdatest) remove json below and add empty string "" -> create -> then click test and execute