Upload file to S3

 gradle

implementation 'com.amazonaws:aws-java-sdk:1.11.163'

import java.io.File;

import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import com.amazonaws.ClientConfiguration;
import com.amazonaws.Protocol;
import com.amazonaws.auth.AWSCredentials;
import com.amazonaws.auth.AWSStaticCredentialsProvider;
import com.amazonaws.auth.BasicAWSCredentials;
import com.amazonaws.client.builder.AwsClientBuilder;
import com.amazonaws.regions.Regions;
import com.amazonaws.services.s3.AmazonS3;
import com.amazonaws.services.s3.AmazonS3ClientBuilder;

@Configuration
public class Config {

    @Bean
    public AmazonS3 s3() {
        AWSCredentials credentials = new BasicAWSCredentials(
                "xxxd20f819xxxxxxxxx2fa6268edxxx",
                "yyyyy8e369zzzzzzzzz2b2f52tttttt"
        );

        ClientConfiguration clientConfig = new ClientConfiguration();
        clientConfig.setProtocol(Protocol.HTTPS);
        clientConfig.setSignerOverride("S3SignerType");

        AmazonS3 s3 = AmazonS3ClientBuilder.standard()
                                           .withCredentials(new AWSStaticCredentialsProvider(credentials))
                                           .withClientConfiguration(clientConfig)
//                                    .withPathStyleAccessEnabled(true)   // This option should be added when
//                                    using the CDN endpoint of VOS for CDN or VOS Dev.
                                           .withEndpointConfiguration(
                                                   new AwsClientBuilder.EndpointConfiguration(
                                                           "https://line-objects-dev.com",
                                                           Regions.US_EAST_1.toString()))
                                           .build();

        //s3.putObject("bucket_name", "folder/file.xxx",
        //             new File("/Users/tt/xx/path/a.txt"));

        return s3;

    }

}