Fix: Correct Dockerfile syntax for RUN instructions

Dockerfile

@@ -54,15 +54,11 @@ WORKDIR /app/backend/api
 RUN mkdir -p static media logs
 
 # Collect static files during build (not runtime)
-RUN python manage.py collectstatic --noinput --clear 2>/dev/null || {
-    echo "Warning: Static files collection failed during build"
-}
+RUN python manage.py collectstatic --noinput --clear || echo "Warning: Static files collection failed during build"
 
 # Copy frontend build to Django static directory during build
 RUN mkdir -p static/frontend && \
-    cp -r /app/frontend/build/* static/frontend/ 2>/dev/null || {
-        echo "Warning: Frontend build copy failed during build"
-    }
+    cp -r /app/frontend/build/* static/frontend/ 2>/dev/null || echo "Warning: Frontend build copy failed during build"
 
 # Make entrypoint executable
 RUN chmod +x /app/backend/api/entrypoint.sh