Update Dockerfile

Dockerfile

@@ -11,6 +11,7 @@ RUN pip install --no-cache-dir -r requirements.txt
 # ── Copy application code & data ─────────────────────────
 COPY streamlit_app.py .
 COPY subthemes_long.csv .
+COPY major_themes_long.csv .
 
 # --- fix: make /.streamlit writable for any UID ---------------
 RUN mkdir -p /.streamlit && chmod 777 /.streamlit