Update Dockerfile

Dockerfile

@@ -1,18 +1,27 @@
 FROM python:3.10-slim
 
+# ---------------- Core settings ----------------
 ENV PYTHONDONTWRITEBYTECODE=1
 ENV PYTHONUNBUFFERED=1
+
+# Make /app the working dir + our safe HOME
 WORKDIR /app
+ENV HOME=/app
 
+# ---------------- Dependencies -----------------
 COPY requirements.txt /app/
 RUN pip install --upgrade pip && pip install -r requirements.txt
 
+# ---------------- App code ---------------------
 COPY . /app
 
+# ---------------- Streamlit / Matplotlib perms --
 ENV STREAMLIT_CONFIG_DIR=/app/.streamlit
 ENV MPLCONFIGDIR=/app/.config/matplotlib
+ENV STREAMLIT_BROWSER_GATHERUSAGESTATS=false  # disable metrics write
+
 RUN mkdir -p /app/.streamlit /app/.config/matplotlib
 
+# ---------------- Expose + run -----------------
 EXPOSE 7860
-
 CMD ["streamlit", "run", "app.py", "--server.port=7860", "--server.address=0.0.0.0"]