giuseppe-trisciuoglio/developer-kit

Comprehensive developer toolkit providing reusable skills for Java/Spring Boot, TypeScript/NestJS/React/Next.js, Python, PHP, AWS CloudFormation, AI/RAG, DevOps, and more.

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Lambda Client Setup

Name: giuseppe-trisciuoglio/developer-kit
Rating: 89.68656716417911 (1 reviews)
Author: giuseppe-trisciuoglio

Maven Dependency

<dependency>
    <groupId>software.amazon.awssdk</groupId>
    <artifactId>lambda</artifactId>
</dependency>

Basic Client Configuration

Synchronous Client

import software.amazon.awssdk.regions.Region;
import software.amazon.awssdk.services.lambda.LambdaClient;

LambdaClient lambdaClient = LambdaClient.builder()
    .region(Region.US_EAST_1)
    .build();

Asynchronous Client

import software.amazon.awssdk.services.lambda.LambdaAsyncClient;

LambdaAsyncClient asyncLambdaClient = LambdaAsyncClient.builder()
    .region(Region.US_EAST_1)
    .build();

Custom Configuration

import software.amazon.awssdk.http.apache.ApacheHttpClient;
import java.time.Duration;

LambdaClient lambdaClient = LambdaClient.builder()
    .region(Region.US_EAST_1)
    .httpClientBuilder(ApacheHttpClient.builder()
        .connectionTimeout(Duration.ofSeconds(5))
        .socketTimeout(Duration.ofSeconds(300)))
    .build();

With Credentials Provider

import software.amazon.awssdk.auth.credentials.AwsBasicCredentials;
import software.amazon.awssdk.auth.credentials.StaticCredentialsProvider;

AwsBasicCredentials credentials = AwsBasicCredentials.create(
    "access-key-id",
    "secret-access-key"
);

LambdaClient lambdaClient = LambdaClient.builder()
    .region(Region.US_EAST_1)
    .credentialsProvider(StaticCredentialsProvider.create(credentials))
    .build();

Spring Boot Configuration

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

@Configuration
public class LambdaConfiguration {

    @Bean
    public LambdaClient lambdaClient() {
        return LambdaClient.builder()
            .region(Region.US_EAST_1)
            .build();
    }

    @Bean
    public LambdaAsyncClient lambdaAsyncClient() {
        return LambdaAsyncClient.builder()
            .region(Region.US_EAST_1)
            .build();
    }
}

Environment-Specific Configuration

@Bean
public LambdaClient lambdaClient(
    @Value("${aws.region}") String region,
    @Value("${aws.endpoint}") Optional<String> endpoint
) {
    LambdaClient.Builder builder = LambdaClient.builder()
        .region(Region.of(region));

    endpoint.ifPresent(e -> builder.endpointOverride(URI.create(e)));

    return builder.build();
}