fix: update Docker Compose configuration to run container as non-root user and use named volume for storage

Author: noobdevsam

compose.yml

@@ -23,6 +23,7 @@ services:
         ports:
             - "8080:8080"
         mem_limit: 2g
+        user: "1000:1000"  # Run as non-root user
         environment:
             # Connect to the MySQL container
             - DATABASE_URL=jdbc:mysql://db-mysql:3306/stego
@@ -33,11 +34,7 @@ services:
             # Other environment variables as needed
             - JAVA_TOOL_OPTIONS=-XX:MaxRAMPercentage=75.0
         volumes:
-            # Mount the local './storage' directory into the container.
-            # This makes it easy to see generated files on your host machine.
-            - ./storage:/app/storage
-        command: >
-            sh -c "mkdir -p /app/storage && chown -R cnb:cnb /app/storage && java -jar /workspace/BOOT-INF/lib/spring-project-steganography-tool-v1.jar"
+            - stego_storage:/app/storage
         networks:
             - stego-network
         depends_on:
@@ -50,3 +47,5 @@ networks:
 volumes:
     mysql_data:
         driver: local
+    stego_storage:
+        driver: local