Update Dockerfile

Dockerfile

@@ -1,20 +1,40 @@
-FROM python:3.13.5-slim
+# Base image
+FROM python:3.13-slim
 
+# Set workdir early
 WORKDIR /app
 
-RUN apt-get update && apt-get install -y \
+# System deps (curl for healthcheck, build tools if wheels need compiling)
+RUN apt-get update && apt-get install -y --no-install-recommends \
     build-essential \
     curl \
     git \
-    && rm -rf /var/lib/apt/lists/*
+ && rm -rf /var/lib/apt/lists/*
 
-COPY requirements.txt ./
-COPY src/ ./src/
+# Python/runtime env
+ENV PYTHONDONTWRITEBYTECODE=1 \
+    PYTHONUNBUFFERED=1 \
+    PIP_NO_CACHE_DIR=1
+
+# --- Fix Streamlit permission error & disable telemetry ---
+# (add before EXPOSE/CMD as per guidance)
+ENV STREAMLIT_HOME=/tmp
+ENV STREAMLIT_TELEMETRY_ENABLED=false
+# --------------------------------------------------------
 
-RUN pip3 install -r requirements.txt
+# Install Python deps (layer-cached)
+COPY requirements.txt .
+RUN pip install -r requirements.txt
+
+# Copy app source
+COPY src/ ./src/
 
+# Streamlit port
 EXPOSE 8501
 
-HEALTHCHECK CMD curl --fail http://localhost:8501/_stcore/health
+# Simple healthcheck
+HEALTHCHECK --interval=30s --timeout=3s --start-period=20s --retries=3 \
+  CMD curl -fsS http://localhost:8501/_stcore/health || exit 1
 
-ENTRYPOINT ["streamlit", "run", "src/streamlit_app.py", "--server.port=8501", "--server.address=0.0.0.0"]
+# Run the app
+CMD ["streamlit", "run", "src/streamlit_app.py", "--server.port=8501", "--server.address=0.0.0.0"]