Update Dockerfile

Dockerfile

@@ -1,17 +1,20 @@
-# Use a recent Python (3.11 works great)
+# Dockerfile (minimal, robust)
 FROM python:3.11-slim
 
-# Keep Python output unbuffered, avoid .pyc
 ENV PYTHONUNBUFFERED=1 PYTHONDONTWRITEBYTECODE=1
-
 WORKDIR /app
 
-# Install Python deps
 COPY requirements.txt .
 RUN pip install --no-cache-dir -r requirements.txt
 
-# Copy your app
 COPY . .
 
-# Hugging Face sets $PORT; use it
-CMD streamlit run app.py --server.port=$PORT --server.address=0.0.0.0
+# Use a small shell so we can unset the bad env var at runtime
+SHELL ["/bin/bash", "-lc"]
+
+# Fallback port if HF doesn't inject $PORT for some reason
+ENV PORT=8501
+
+# 1) Unset STREAMLIT_SERVER_PORT so Streamlit won't choke on an empty value
+# 2) Run Streamlit binding to the HF $PORT
+CMD unset STREAMLIT_SERVER_PORT; exec streamlit run app.py --server.port=${PORT} --server.address=0.0.0.0