Spring Boot DynamoDB Config

application.yml

spring:
  amazon:
    dynamodb:
      endpoint: ${DYNAMODB_URL}
      region: ${DYNAMODB_REGION}
    aws:
      accesskey: ${AWS_ACESS_KEY}
      secretkey: ${AWS_SECRET_KEY}

DynamoDBConfig.java

package com.solinftec.SREClientControlRegistration.utils;

import com.amazonaws.auth.AWSStaticCredentialsProvider;
import com.amazonaws.auth.BasicAWSCredentials;
import com.amazonaws.client.builder.AwsClientBuilder;
import com.amazonaws.services.dynamodbv2.AmazonDynamoDB;
import com.amazonaws.services.dynamodbv2.AmazonDynamoDBClientBuilder;
import com.amazonaws.services.dynamodbv2.datamodeling.DynamoDBMapper;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

@Configuration
public class DynamoDBConfig {

    @Value("${spring.amazon.dynamodb.endpoint}")
    private String amazonDynamoDBEndpoint;

    @Value("${spring.amazon.aws.accesskey}")
    private String amazonAWSAccessKey;

    @Value("${spring.amazon.aws.secretkey}")
    private String amazonAWSSecretKey;

    @Value("${spring.amazon.dynamodb.region")
    private String region;


    @Bean
    public DynamoDBMapper dynamoDBMapper() {
        return new DynamoDBMapper(buildAmazonDynamoDB());
    }

    private AmazonDynamoDB buildAmazonDynamoDB() {
        return AmazonDynamoDBClientBuilder
                .standard()
                .withEndpointConfiguration(
                        new AwsClientBuilder.EndpointConfiguration(amazonDynamoDBEndpoint,region))
                .withCredentials(new AWSStaticCredentialsProvider(
                        new BasicAWSCredentials(amazonAWSAccessKey,amazonAWSSecretKey)))
                .build();
    }
}