Move Dockerfile to root, merge frontend + backend

Dockerfile

@@ -1,3 +1,4 @@
+
 FROM python:3.11-slim
 
 WORKDIR /app
@@ -5,6 +6,7 @@ WORKDIR /app
 ENV PYTHONPATH="${PYTHONPATH}:/app"
 ENV STREAMLIT_HOME=/app/.streamlit
 ENV HF_HOME=/app/.cache
+# -------------------------------------------------------------
 
 COPY ./backend/requirements.txt /app/backend_requirements.txt
 COPY ./frontend/requirements.txt /app/frontend_requirements.txt
@@ -17,8 +19,11 @@ RUN pip install --no-cache-dir --upgrade pip && \
 COPY ./backend /app/backend
 COPY ./frontend /app/frontend
 
+
 RUN chmod +x /app/frontend/start.sh
+
 RUN chown -R 1000:1000 /app
 
-# Start backend + frontend
+EXPOSE 8501
+
 CMD sh -c "uvicorn backend.app.main:app --host 0.0.0.0 --port 8000 & /app/frontend/start.sh & wait"

frontend/start.sh

@@ -9,8 +9,7 @@ cd /app/frontend
 mkdir -p /app/.streamlit
 export STREAMLIT_HOME=/app/.streamlit
 
-# Use HF Space APP_PORT or fallback to 8501
 PORT=${APP_PORT:-8501}
 
-echo "Launching Streamlit app on port $PORT..."
-streamlit run dashboard.py --server.port=$PORT --server.address=0.0.0.0
+echo "Launching Streamlit app..."
+streamlit run dashboard.py --server.port=$PORT --server.address=0.0.0.0