Fix: Updated Dockerfile to remove references to frontend/build directory

Dockerfile

@@ -22,12 +22,8 @@ RUN pip install --no-cache-dir -r requirements.txt
 COPY api.py .
 COPY static/ static/
 
-# Copy frontend build files
-COPY frontend/build/static ./static
-COPY frontend/build/index.html ./static/
-COPY frontend/build/*.json ./static/
-COPY frontend/build/*.js ./static/
-COPY frontend/build/*.html ./static/
+# Static files are already copied in the previous step
+# No need to copy frontend build files separately
 
 # Set environment variables
 ENV PYTHONUNBUFFERED=1