diff --git a/docker-compose.yml b/docker-compose.yml
index 4366e3df..55baaddd 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -3,7 +3,8 @@ version: '2.1'
 services:
   server:
     build: pav-server
+    mem_limit: 512m
+    ports:
+      - "9000:8080"
     environment:
       - SPRING_PROFILES_ACTIVE=local
-    ports:
-      - "9000:8080"
\ No newline at end of file
diff --git a/pav-server/src/main/java/com/palnet/biz/config/InitRunner.java b/pav-server/src/main/java/com/palnet/biz/config/InitRunner.java
index a1b28a23..a35fa82d 100644
--- a/pav-server/src/main/java/com/palnet/biz/config/InitRunner.java
+++ b/pav-server/src/main/java/com/palnet/biz/config/InitRunner.java
@@ -15,7 +15,7 @@ public class InitRunner implements ApplicationRunner {
         log.info("===== InitRunner run =====");
         // DEM(Digital Elevation Model load
         try {
-            DigitalElevationModelUtils.getInstance();
+            DigitalElevationModelUtils demUtils = DigitalElevationModelUtils.getInstance();
         } catch (Exception e) {
             log.warn("===== InitRunner run error[DigitalElevationModelUtils] : {}", e.getMessage());
         }
diff --git a/pav-server/src/main/java/com/palnet/comn/utils/DigitalElevationModelUtils.java b/pav-server/src/main/java/com/palnet/comn/utils/DigitalElevationModelUtils.java
index 63fab323..7561f115 100644
--- a/pav-server/src/main/java/com/palnet/comn/utils/DigitalElevationModelUtils.java
+++ b/pav-server/src/main/java/com/palnet/comn/utils/DigitalElevationModelUtils.java
@@ -5,7 +5,6 @@ import lombok.Builder;
 import lombok.Data;
 import lombok.NoArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
-import org.apache.commons.io.FileUtils;
 import org.geotools.coverage.grid.GridCoordinates2D;
 import org.geotools.coverage.grid.GridCoverage2D;
 import org.geotools.coverage.grid.GridGeometry2D;
@@ -23,8 +22,6 @@ import org.springframework.core.io.support.PathMatchingResourcePatternResolver;
 import org.springframework.core.io.support.ResourcePatternResolver;
 
 import java.awt.image.Raster;
-import java.io.File;
-import java.io.IOException;
 import java.util.ArrayList;
 import java.util.List;
 
@@ -32,6 +29,7 @@ import java.util.List;
 public class DigitalElevationModelUtils {
     private final String CLASS_PATH = "map/dem";
     private List<DigitalElevationModel> dems;
+//    private List<GridCoverage2D>
 
     private DigitalElevationModelUtils() {
         // 초기화
@@ -54,27 +52,23 @@ public class DigitalElevationModelUtils {
         List<DigitalElevationModel> demList = new ArrayList<>();
         // 클래스 경로 내의 디렉토리 내의 모든 파일을 검색합니다.
         try {
-            Resource[] resources = resolver.getResources("classpath:" + CLASS_PATH + "/dem_*.tif");
+            Resource[] resources = resolver.getResources("classpath:" + CLASS_PATH + "/dem_korea_012.tif");
             for (Resource resource : resources) {
-
+                log.info("load file name : {}", resource.getFilename());
                 if (!resource.exists()) {
                     log.info("this is not file : {}", resource.getFilename());
                     continue;
                 }
 
-                File file = File.createTempFile("dem", ".tif");
-                FileUtils.copyInputStreamToFile(resource.getInputStream(), file);
-
-                log.info(">>> file : {}", file);
-                log.info(">>> file : {}", file.exists());
-                log.info(">>> file : {}", file.isFile());
-
-                AbstractGridFormat format = GridFormatFinder.findFormat(file);
-                GridCoverage2DReader reader = format.getReader(file);
+                AbstractGridFormat format = GridFormatFinder.findFormat(resource.getInputStream());
+                GridCoverage2DReader reader = format.getReader(resource.getInputStream());
 
                 GridCoverage2D coverage = reader.read(null);
                 Raster raster = coverage.getRenderedImage().getData();
 
+                log.info(">>> coverage : {}", coverage);
+                log.info(">>> raster : {}", raster);
+
                 demList.add(DigitalElevationModel.builder()
                         .coverage(coverage)
                         .raster(raster)
@@ -83,8 +77,11 @@ public class DigitalElevationModelUtils {
             }
         } catch (Exception e) {
             log.warn("dem load error : {}", e.getMessage());
+            log.error("", e);
         }
+//        log.info(">>> demList size : {}", demList);
         log.info(">>> demList size : {}", demList.size());
+
         this.dems = demList;
     }
 
@@ -101,6 +98,7 @@ public class DigitalElevationModelUtils {
 
         for (DigitalElevationModel dem : this.dems) {
             Raster raster = dem.getRaster();
+//            if(raster == null) raster = dem.getCoverage().getRenderedImage().getData();
             GridGeometry2D gridGeometry = dem.getCoverage().getGridGeometry();
 
             GridCoordinates2D posGrid = null;
diff --git a/pav-server/src/main/resources/map/dem/dem_korea_010.tif b/pav-server/src/main/resources/map/dem/dem_korea_010.tif
new file mode 100644
index 00000000..1dc05a68
Binary files /dev/null and b/pav-server/src/main/resources/map/dem/dem_korea_010.tif differ
diff --git a/pav-server/src/main/resources/map/dem/dem_korea_011.tif b/pav-server/src/main/resources/map/dem/dem_korea_011.tif
new file mode 100644
index 00000000..072a2477
Binary files /dev/null and b/pav-server/src/main/resources/map/dem/dem_korea_011.tif differ
diff --git a/pav-server/src/main/resources/map/dem/dem_korea_012.tif b/pav-server/src/main/resources/map/dem/dem_korea_012.tif
new file mode 100644
index 00000000..3b938499
Binary files /dev/null and b/pav-server/src/main/resources/map/dem/dem_korea_012.tif differ