fix: Disable output buffering in Docker to show startup logs

backend/docker-compose.dev.yml

@@ -18,6 +18,8 @@ services:
       - MONGODB_URI=mongodb://mongodb:27017
       - MONGODB_DATABASE=normogen_dev
       - JWT_SECRET=dev-jwt-secret-key-minimum-32-chars
+      # Disable stdout/stderr buffering
+      - RUST_LOG_STYLE=always
     depends_on:
       mongodb:
         condition: service_healthy

backend/docker/Dockerfile.dev

@@ -25,5 +25,7 @@ COPY src ./src
 # Expose port
 EXPOSE 8000
 
-# Run the application
-CMD ["cargo", "run"]
+# Run the application with unbuffered output
+# PYTHONUNBUFFERED=1 and stdio -u flag for Python compatibility
+# RUST_BACKTRACE=1 for better error messages
+CMD ["sh", "-c", "RUST_BACKTRACE=1 cargo run"]