[DDING-000] 힙 메모리 최대치 수정 (#323)

Author: KoSeonJe

.ebextensions/00-makeFiles.config

@@ -13,7 +13,7 @@ files:
             killall java
             java \
               -Dfile.encoding=UTF-8 \
-              -Xms512m -Xmx1024m \
+              -Xms512m -Xmx512m \
               -Xlog:gc*:file="$LOG_DIR/gc.log":time,uptime,level,tags::filecount=5,filesize=100M \
               -XX:+HeapDumpOnOutOfMemoryError \
               -XX:HeapDumpPath=$LOG_DIR/heapdump.hprof \