diff --git a/.ebextensions_dev/01-env.config b/.ebextensions_dev/01-env.config
new file mode 100644
index 0000000..cd08dde
--- /dev/null
+++ b/.ebextensions_dev/01-env.config
@@ -0,0 +1,9 @@
+option_settings:
+  aws:elasticbeanstalk:application:environment:
+    JAVA_TOOL_OPTIONS: >
+      -Xms512m -Xmx512m
+      -XX:+UseG1GC -XX:MaxGCPauseMillis=200
+      -XX:+HeapDumpOnOutOfMemoryError -XX:HeapDumpPath=/var/log/heapdump.hprof
+      -XX:+ExitOnOutOfMemoryError
+      -Dexcel.permits=2
+    SERVER_TOMCAT_THREADS_MAX: "50"
\ No newline at end of file
diff --git a/src/main/resources/application.yml b/src/main/resources/application.yml
index cf56305..bda25d7 100644
--- a/src/main/resources/application.yml
+++ b/src/main/resources/application.yml
@@ -126,4 +126,9 @@ spring:
       client:
         registration:
           kakao:
-            redirect-uri: http://canfly.ap-northeast-2.elasticbeanstalk.com/login/oauth2/code/kakao
\ No newline at end of file
+            redirect-uri: http://canfly.ap-northeast-2.elasticbeanstalk.com/login/oauth2/code/kakao
+
+server:
+  tomcat:
+    threads:
+      max: ${SERVER_TOMCAT_THREADS_MAX:50}
\ No newline at end of file