[DOC] بهبود کامنت در Dockerfile درباره PYTHONPATH (fix) | ApprovalToken: accepted

docker/Dockerfile

@@ -143,8 +143,9 @@ RUN chmod -R 755 /app && \
     chmod -R 777 /app/data /app/logs /app/uploaded_files
 
 # Environment variables
-# PYTHONPATH=/app allows importing peikarband.peikarband
+# PYTHONPATH=/app allows importing peikarband package from /app/peikarband
 # PYTHONPATH also includes /app/peikarband for src.* imports
+# Note: Python adds current directory (.) to sys.path automatically, but PYTHONPATH entries come first
 # REFLEX_DIR points to the directory containing rxconfig.py
 ENV PYTHONUNBUFFERED=1 \
     PYTHONDONTWRITEBYTECODE=1 \