✨ FEAT. AmazonConfig 및 S3 Manager 기능 추가

build.gradle

@@ -32,6 +32,10 @@ dependencies {
 	implementation 'org.springframework.boot:spring-boot-starter-data-jpa'
 	implementation 'org.springframework.boot:spring-boot-starter-validation'
 	implementation 'org.springframework.boot:spring-boot-starter-web'
+
+	// AWS
+	implementation 'org.springframework.cloud:spring-cloud-starter-aws:2.2.6.RELEASE'
+
 	compileOnly 'org.projectlombok:lombok'
 	runtimeOnly 'com.mysql:mysql-connector-j'
 	annotationProcessor 'org.projectlombok:lombok'

src/main/java/fairytale/tbd/global/aws/s3/AmazonS3Manager.java

@@ -0,0 +1,40 @@
+package fairytale.tbd.global.aws.s3;
+
+import java.io.IOException;
+
+import org.springframework.stereotype.Component;
+import org.springframework.web.multipart.MultipartFile;
+
+import com.amazonaws.services.s3.AmazonS3;
+import com.amazonaws.services.s3.model.ObjectMetadata;
+import com.amazonaws.services.s3.model.PutObjectRequest;
+import com.amazonaws.services.s3.model.PutObjectResult;
+
+import fairytale.tbd.global.config.AmazonConfig;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+
+@Slf4j
+@Component
+@RequiredArgsConstructor
+public class AmazonS3Manager {
+
+	private final AmazonS3 amazonS3;
+	private final AmazonConfig amazonConfig;
+
+	public String uploadFile(String keyName, MultipartFile file) {
+		ObjectMetadata metadata = new ObjectMetadata();
+		metadata.setContentType(file.getContentType());
+		metadata.setContentLength(file.getSize());
+		try {
+			PutObjectResult putObjectResult = amazonS3.putObject(
+				new PutObjectRequest(amazonConfig.getBucket(), keyName, file.getInputStream(), metadata));
+			log.info("result={}", putObjectResult.getContentMd5());
+		} catch (IOException e) {
+			log.error("error at AmazonS3Manager uploadFile : {}", (Object)e.getStackTrace());
+		}
+
+		return amazonS3.getUrl(amazonConfig.getBucket(), keyName).toString();
+	}
+
+}

src/main/java/fairytale/tbd/global/config/AmazonConfig.java

@@ -0,0 +1,56 @@
+package fairytale.tbd.global.config;
+
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+import com.amazonaws.auth.AWSCredentials;
+import com.amazonaws.auth.AWSCredentialsProvider;
+import com.amazonaws.auth.AWSStaticCredentialsProvider;
+import com.amazonaws.auth.BasicAWSCredentials;
+import com.amazonaws.services.s3.AmazonS3;
+import com.amazonaws.services.s3.AmazonS3ClientBuilder;
+
+import jakarta.annotation.PostConstruct;
+import lombok.Getter;
+
+@Configuration
+@Getter
+public class AmazonConfig {
+
+	private AWSCredentials awsCredentials;
+
+	@Value("${cloud.aws.s3.credentials.access-key}")
+	private String accessKey;
+
+	@Value("${cloud.aws.s3.credentials.secret-key}")
+	private String secretKey;
+
+	@Value("${cloud.aws.s3.region.static}")
+	private String region;
+
+	@Value("${cloud.aws.s3.bucket}")
+	private String bucket;
+
+
+
+	@PostConstruct
+	public void init(){
+		this.awsCredentials = new BasicAWSCredentials(accessKey, secretKey);
+	}
+
+	@Bean
+	public AmazonS3 amazonS3(){
+		BasicAWSCredentials awsCredentials = new BasicAWSCredentials(accessKey, secretKey);
+		return AmazonS3ClientBuilder.standard()
+			.withRegion(region)
+			.withCredentials(new AWSStaticCredentialsProvider(awsCredentials))
+			.build();
+	}
+
+	@Bean
+	public AWSCredentialsProvider awsCredentialsProvider(){
+		return new AWSStaticCredentialsProvider(awsCredentials);
+	}
+
+}