[Spring] AWS S3 접근

라이브러리 추가

implementation 'org.springframework.cloud:spring-cloud-starter-aws:2.2.6.RELEASE'

 

인증 키 추가

<application.yml>
본인 IAM 인증 키를 추가하면 된다.

cloud:
  aws:
    credentials:
      instance-profile: false
      access-key: [access-key]
      secret-key: [secret-key]
    region:
      auto: false
      static: ap-northeast-2
    stack:
      auto: false

 

S3Config

@Configuration
public class S3Config {

    @Value("${cloud.aws.credentials.access-key}")
    public String accessKey;
    @Value("${cloud.aws.credentials.secret-key}")
    public String secretKey;
    @Value("${cloud.aws.region.static}")
    public String region;

    @Bean
    @Primary
    public BasicAWSCredentials awsCredentialsProvider(){
        BasicAWSCredentials basicAWSCredentials = new BasicAWSCredentials(accessKey, secretKey);
        return basicAWSCredentials;
    }

    @Bean
    public AmazonS3 amazonS3() {
        AmazonS3 s3Builder = AmazonS3ClientBuilder.standard()
                .withRegion(region)
                .withCredentials(new AWSStaticCredentialsProvider(awsCredentialsProvider()))
                .build();
        return s3Builder;
    }
}

 

 

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이제 amazonS3.getObject() 등 S3에 접근할 수 있다.