[Fix] 이미지 압축방식 개선

build.gradle

@@ -54,8 +54,10 @@ dependencies {
     runtimeOnly 'io.jsonwebtoken:jjwt-jackson:0.11.5'
     // Redis
     implementation 'org.springframework.boot:spring-boot-starter-data-redis:2.7.14'
-    // spring cache
+    // Spring cache
     implementation 'org.springframework.boot:spring-boot-starter-cache:2.7.14'
+    // Snappy Java
+    implementation 'org.xerial.snappy:snappy-java:1.1.10.5'
 }
 
 tasks.named('test') {

src/main/java/server/inuappcenter/kr/data/domain/board/Image.java

@@ -8,7 +8,6 @@
 import server.inuappcenter.kr.data.utils.ImageUtils;
 
 import javax.persistence.*;
-import javax.servlet.http.HttpServletRequest;
 import java.io.IOException;
 @Entity
 @Getter
@@ -73,11 +72,6 @@ public void isThumbnail() {
         this.isThumbnail = true;
     }
 
-    // 자원의 현재 위치를 반환하는 메소드
-    public String getLocation(HttpServletRequest request, Image image) {
-        return request.getScheme() + "://" + request.getServerName() + ":" + request.getServerPort() +  "/image/photo/" + image.getId().toString();
-    }
-
     public Image returnMultipartToEntity(MultipartFile multipartFile) throws IOException {
         return new Image(multipartFile.getOriginalFilename(), ImageUtils.compressImage(multipartFile.getBytes()), multipartFile.getSize());
     }

src/main/java/server/inuappcenter/kr/data/utils/ImageUtils.java

@@ -1,48 +1,21 @@
 package server.inuappcenter.kr.data.utils;
 
-import java.io.ByteArrayOutputStream;
-import java.util.zip.Deflater;
-import java.util.zip.Inflater;
+import org.xerial.snappy.Snappy;
+import java.io.IOException;
 
-public class ImageUtils {
-
-    public static byte[] compressImage(byte[] data) {
-        Deflater deflater = new Deflater();
-        deflater.setLevel(Deflater.BEST_COMPRESSION);
-        deflater.setInput(data);
-        deflater.finish();
-
-        ByteArrayOutputStream outputStream = new ByteArrayOutputStream(data.length);
-        byte[] tmp = new byte[4*1024];
 
-        while (!deflater.finished()) {
-            int size = deflater.deflate(tmp);
-            outputStream.write(tmp, 0, size);
-        }
-
-        try {
-            outputStream.close();
-        } catch (Exception ignored) {
-
-        }
+public class ImageUtils {
 
-        return outputStream.toByteArray();
+    public static byte[] compressImage(byte[] data) throws IOException {
+        return Snappy.compress(data);
     }
 
     public static byte[] decompressImage(byte[] data) {
-        Inflater inflater = new Inflater();
-        inflater.setInput(data);
-        ByteArrayOutputStream outputSteam = new ByteArrayOutputStream(data.length);
-        byte[] tmp = new byte[4*1024];
-
         try {
-            while (!inflater.finished()) {
-                int count = inflater.inflate(tmp);
-                outputSteam.write(tmp, 0, count);
-            }
-            outputSteam.close();
-        } catch (Exception ignored) {
+            return Snappy.uncompress(data);
+        } catch(Exception e) {
+            throw new RuntimeException(e.getMessage());
         }
-        return outputSteam.toByteArray();
     }
+
 }

src/main/resources/application.yml

@@ -1,11 +1,11 @@
 spring:
   redis:
-    port: 5379
-    host: na2ru2.me
+    port: 6379
+    host: 192.168.55.22
   datasource:
     driver-class-name: com.mysql.cj.jdbc.Driver
     username: dev
-    url: jdbc:mysql://na2ru2.me:6306/appcenter
+    url: jdbc:mysql://192.168.55.22/appcenter
     password: test1234
   jpa:
     hibernate:
@@ -20,5 +20,5 @@ spring:
       mode: always
   servlet:
     multipart:
-      maxFileSize: 50MB
-      maxRequestSize: 50MB
+      maxFileSize: 15MB
+      maxRequestSize: 15MB