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‎examples/powertools-examples-core-utilities/cdk/README.md

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## Configuration
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CDK uses the following project structure:
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- [app](app) - stores the source code of your application, which is similar between all examples
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- [infra](infra) - stores the definition of your infrastructure
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- [cdk.json](infra/cdk.json) - tells the CDK Toolkit how to execute your app
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- [CdkApp](infra/src/main/java/cdk/CdkApp.java) - bootstraps your stack, taking AWS `account` and `region` as input
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- [CdkStack](infra/src/main/java/cdk/CdkStack.java) - defines the Lambda function to be deployed as well as API Gateway for it.
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- [app](./app) - stores the source code of your application, which is similar between all examples
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- [infra](./infra) - stores the definition of your infrastructure
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- [cdk.json](./infra/cdk.json) - tells the CDK Toolkit how to execute your app
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- [CdkApp](./infra/src/main/java/cdk/CdkApp.java) - bootstraps your stack, taking AWS `account` and `region` as input
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- [CdkStack](./infra/src/main/java/cdk/CdkStack.java) - defines the Lambda function to be deployed as well as API Gateway for it.
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It is a [Maven](https://maven.apache.org/) based project, so you can open this project with any Maven compatible Java IDE to build and run tests.
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‎examples/powertools-examples-core-utilities/cdk/app/pom.xml

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<modelVersion>4.0.0</modelVersion>
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<groupId>software.amazon.lambda.examples</groupId>
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<version>1.17.0</version>
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<version>1.20.0</version>
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<artifactId>powertools-examples-core-utilities-cdk</artifactId>
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<packaging>jar</packaging>
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<name>Powertools for AWS Lambda (Java) library Examples - Core Utilities (logging, tracing, metrics) with CDK</name>
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<name>Powertools for AWS Lambda (Java) library Examples - Core</name>
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<properties>
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<log4j.version>2.20.0</log4j.version>
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<dependency>
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<groupId>com.amazonaws</groupId>
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<artifactId>aws-lambda-java-events</artifactId>
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<version>3.11.2</version>
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<version>3.11.3</version>
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</dependency>
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<dependency>
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<groupId>org.apache.logging.log4j</groupId>
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</dependencies>
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<build>
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<finalName>helloworld-lambda</finalName>
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<plugins>
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<plugin>
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<groupId>dev.aspectj</groupId>
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<artifactId>aspectj-maven-plugin</artifactId>
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<version>1.13.1</version>
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<configuration>
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<source>${maven.compiler.source}</source>
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<target>${maven.compiler.target}</target>
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<complianceLevel>${maven.compiler.target}</complianceLevel>
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<aspectLibraries>
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<aspectLibrary>
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<groupId>software.amazon.lambda</groupId>
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<artifactId>powertools-tracing</artifactId>
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</aspectLibrary>
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<aspectLibrary>
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<groupId>software.amazon.lambda</groupId>
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<artifactId>powertools-logging</artifactId>
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</aspectLibrary>
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<aspectLibrary>
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<groupId>software.amazon.lambda</groupId>
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<artifactId>powertools-metrics</artifactId>
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</aspectLibrary>
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</aspectLibraries>
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</configuration>
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<executions>
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<execution>
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<goals>
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<goal>compile</goal>
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</goals>
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</execution>
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</executions>
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<dependencies>
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<dependency>
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<groupId>org.aspectj</groupId>
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<artifactId>aspectjtools</artifactId>
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<version>${aspectj.version}</version>
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</dependency>
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</dependencies>
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</plugin>
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-shade-plugin</artifactId>
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<version>3.5.0</version>
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<executions>
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<execution>
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<phase>package</phase>
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<goals>
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<goal>shade</goal>
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</goals>
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<configuration>
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<transformers>
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<transformer implementation="org.apache.logging.log4j.maven.plugins.shade.transformer.Log4j2PluginCacheFileTransformer"/>
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</transformers>
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</configuration>
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</execution>
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</executions>
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<dependencies>
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<dependency>
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<groupId>org.apache.logging.log4j</groupId>
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<artifactId>log4j-transform-maven-shade-plugin-extensions</artifactId>
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<version>0.1.0</version>
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</dependency>
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</dependencies>
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</plugin>
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<!-- Don't deploy the example -->
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-deploy-plugin</artifactId>
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<configuration>
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<skip>true</skip>
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</configuration>
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</plugin>
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</plugins>
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<finalName>helloworld-lambda</finalName>
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<plugins>
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<plugin>
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<groupId>dev.aspectj</groupId>
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<artifactId>aspectj-maven-plugin</artifactId>
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<version>1.13.1</version>
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<configuration>
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<source>${maven.compiler.source}</source>
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<target>${maven.compiler.target}</target>
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<complianceLevel>${maven.compiler.target}</complianceLevel>
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<aspectLibraries>
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<aspectLibrary>
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<groupId>software.amazon.lambda</groupId>
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<artifactId>powertools-tracing</artifactId>
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</aspectLibrary>
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<aspectLibrary>
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<groupId>software.amazon.lambda</groupId>
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<artifactId>powertools-logging</artifactId>
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</aspectLibrary>
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<aspectLibrary>
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<groupId>software.amazon.lambda</groupId>
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<artifactId>powertools-metrics</artifactId>
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</aspectLibrary>
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</aspectLibraries>
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</configuration>
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<executions>
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<execution>
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<goals>
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<goal>compile</goal>
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</goals>
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</execution>
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</executions>
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<dependencies>
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<dependency>
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<groupId>org.aspectj</groupId>
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<artifactId>aspectjtools</artifactId>
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<version>${aspectj.version}</version>
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</dependency>
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</dependencies>
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</plugin>
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-shade-plugin</artifactId>
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<version>3.5.0</version>
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<executions>
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<execution>
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<phase>package</phase>
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<goals>
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<goal>shade</goal>
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</goals>
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<configuration>
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<transformers>
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<transformer implementation="org.apache.logging.log4j.maven.plugins.shade.transformer.Log4j2PluginCacheFileTransformer"/>
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</transformers>
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</configuration>
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</execution>
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</executions>
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<dependencies>
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<dependency>
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<groupId>org.apache.logging.log4j</groupId>
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<artifactId>log4j-transform-maven-shade-plugin-extensions</artifactId>
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<version>0.1.0</version>
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</dependency>
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</dependencies>
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</plugin>
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</plugins>
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</build>
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<profiles>
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<!-- Use a profile to enforce AspectJ version 1.9.7 if we are Java 1.8 otherwise we'll get class

‎examples/powertools-examples-core-utilities/cdk/app/src/main/java/helloworld/App.java

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public class App implements RequestHandler<APIGatewayProxyRequestEvent, APIGatewayProxyResponseEvent> {
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private final static Logger log = LogManager.getLogger(App.class);
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// This is controlled by POWERTOOLS_LOGGER_SAMPLE_RATE environment variable
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// @Logging(logEvent = true, samplingRate = 0.7)
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// This is controlled by POWERTOOLS_METRICS_NAMESPACE environment variable
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// @Metrics(namespace = "ServerlessAirline", service = "payment", captureColdStart = true)
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// This is controlled by POWERTOOLS_TRACER_CAPTURE_ERROR environment variable
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@Logging(logEvent = true, samplingRate = 0.7)
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@Tracing(captureMode = CaptureMode.RESPONSE_AND_ERROR)
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@Metrics(namespace = "ServerlessAirline", service = "payment", captureColdStart = true)
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public APIGatewayProxyResponseEvent handleRequest(final APIGatewayProxyRequestEvent input, final Context context) {
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Map<String, String> headers = new HashMap<>();
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return response
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.withStatusCode(200)
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.withBody(output);
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<<<<<<<< HEAD:examples/powertools-examples-core-utilities/cdk/app/src/main/java/helloworld/App.java
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} catch (IOException e) {
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========
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} catch (RuntimeException | IOException e) {
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>>>>>>>> main:examples/powertools-examples-core/serverless/src/main/java/helloworld/App.java
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return response
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.withBody("{}")
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.withStatusCode(500);
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}
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}
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<<<<<<<< HEAD:examples/powertools-examples-core-utilities/cdk/app/src/main/java/helloworld/App.java
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@Tracing
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private void log() {
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log.info("inside threaded logging for function");
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}
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========
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>>>>>>>> main:examples/powertools-examples-core/serverless/src/main/java/helloworld/App.java
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@Tracing(namespace = "getPageContents", captureMode = CaptureMode.DISABLED)
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private String getPageContents(String address) throws IOException {
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URL url = new URL(address);

‎examples/powertools-examples-core-utilities/gradle/README.md

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and then **Hello World Example with Powertools for AWS Lambda**, **Java 17** runtime, and finally **gradle**.
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For general information on the deployed example itself, you can refer to the parent [README](../../powertools-examples-core/README.md)
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For general information on the deployed example itself, you can refer to the parent [README](../README.md)
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## Configuration
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SAM uses [template.yaml](template.yaml) to define the application's AWS resources.

‎examples/powertools-examples-core-utilities/serverless/README.md

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# Powertools for AWS Lambda (Java) - Core Utilities Example with Serverless Framework
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This project demonstrates the Lambda for Powertools Java module deployed using [Serverless Framework](https://www.serverless.com/framework).
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For general information on the deployed example itself, you can refer to the parent [README](../README.md).
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To install Serverless Framework if you don't have it yet, you can follow the [Getting Started Guide](https://www.serverless.com/framework/docs/getting-started).
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## Configuration
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Serverless Framework uses [serverless.yml](./serverless.yml) to define the application's AWS resources.
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This file defines the Lambda function to be deployed as well as API Gateway for it.
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It is a [Maven](https://maven.apache.org/) based project, so you can open this project with any Maven compatible Java IDE to build and run tests.
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## Deploy the sample application
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To deploy the app, simply run the following commands:
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```bash
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mvn package && sls deploy
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```
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## Useful commands
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Deploy a single function
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```bash
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sls deploy function -f hello
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```

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