diff --git a/SpringDataPlatform/README.md b/SpringDataPlatform/README.md
index 783b1be31..814cbc747 100644
--- a/SpringDataPlatform/README.md
+++ b/SpringDataPlatform/README.md
@@ -54,6 +54,12 @@ ARCHITECTURE :
 ```bash
 docker-compose up
 
+# rebuild (use updated java code) and run
+docker-compose up --build
+
+# restart
+docker-compose restart
+
 #--------------------------
 # Macbook m1
 #--------------------------
diff --git a/SpringDataPlatform/backend/DataPlatform/FlinkRestService/src/main/resources/application.properties b/SpringDataPlatform/backend/DataPlatform/FlinkRestService/src/main/resources/application.properties
index de4a0f685..de70959e6 100644
--- a/SpringDataPlatform/backend/DataPlatform/FlinkRestService/src/main/resources/application.properties
+++ b/SpringDataPlatform/backend/DataPlatform/FlinkRestService/src/main/resources/application.properties
@@ -1,5 +1,5 @@
 # spring
-server.port=9999
+server.port=${SERVER_PORT:9999}
 
 # upload file
 server.tomcat.max-http-form-post-size=20MB
diff --git a/SpringDataPlatform/docker-compose.yml b/SpringDataPlatform/docker-compose.yml
index 770f55140..2a721f6b1 100644
--- a/SpringDataPlatform/docker-compose.yml
+++ b/SpringDataPlatform/docker-compose.yml
@@ -1,11 +1,12 @@
 version: '3'
 services:
-  app:
+  app1:
     restart: always
-    build: ./backend/DataPlatform
+    build: ./backend/DataPlatform/FlinkRestService # backend dockerfile
     working_dir: /app
     volumes:
       - ./backend/DataPlatform:/app
+      - ~/.m2/repository:/root/.m2/repository  # Mount Maven local repository
     ports:
       - "9999:9999"
     environment:
@@ -16,7 +17,29 @@ services:
       - SPRING_JPA_SHOW_SQL=true
       - SPRING_JPA_HIBERNATE_DDL_AUTO=create  # Set the Hibernate ddl-auto property here
       - SPRING_JPA_GENERATE_DDL=true
-      #- JAVA_HOME=/usr/local/openjdk-11
+      - SERVER_PORT=9999
+    depends_on:
+      - mysql
+    command: mvn clean spring-boot:run -DskipTests
+
+  app2:
+    restart: always
+    build: ./backend/DataPlatform/FlinkRestService # backend dockerfile
+    working_dir: /app
+    volumes:
+      - ./backend/DataPlatform:/app
+      - ~/.m2/repository:/root/.m2/repository  # Mount Maven local repository
+    ports:
+      - "9998:9998"  # Port mapping for app2
+    environment:
+      - SPRING_DATASOURCE_URL=jdbc:mysql://mysql:3306/data_platform
+      - SPRING_DATASOURCE_USERNAME=root
+      - SPRING_DATASOURCE_PASSWORD=
+      - SPRING_DATASOURCE_DRIVER_CLASS_NAME=com.mysql.cj.jdbc.Driver
+      - SPRING_JPA_SHOW_SQL=true
+      - SPRING_JPA_HIBERNATE_DDL_AUTO=create  # Set the Hibernate ddl-auto property here
+      - SPRING_JPA_GENERATE_DDL=true
+      - SERVER_PORT=9998
     depends_on:
       - mysql
     command: mvn clean spring-boot:run -DskipTests
@@ -35,8 +58,6 @@ services:
     image: mysql:5.7
     restart: always
     environment:
-      #https://stackoverflow.com/questions/66831863/mysql-docker-container-keeps-restarting
-      #MYSQL_USER: root # NO NEED to create root user, since it is created automatically
       MYSQL_DATABASE: data_platform
       MYSQL_ROOT_PASSWORD:
       MYSQL_ALLOW_EMPTY_PASSWORD: "yes"
@@ -49,14 +70,13 @@ services:
     image: nginx
     restart: always
     ports:
-      #- "8080:80"
       - "8081:8081"
     volumes:
       - ./nginx/nginx.conf:/etc/nginx/nginx.conf:ro
       - ./nginx/index.html:/app/html:ro
     depends_on:
-      - app
-      #- app2
+      - app1
+      - app2
 
 volumes:
   mysql-data:
\ No newline at end of file
diff --git a/SpringDataPlatform/nginx/nginx.conf b/SpringDataPlatform/nginx/nginx.conf
index 6761e0140..d05a9e78b 100644
--- a/SpringDataPlatform/nginx/nginx.conf
+++ b/SpringDataPlatform/nginx/nginx.conf
@@ -12,8 +12,8 @@ http {
     keepalive_timeout  65;
 
     upstream dataPlatform {
-        server app:9999;
-        #server app2:9998;
+        server app1:9999;
+        server app2:9998;
     }
 
     server {