Update Dockerfile

Dockerfile

@@ -1,29 +1,25 @@
-# ---- Base image ----
 FROM python:3.11-slim
 
-# ---- System deps (for numpy/scipy/sklearn) ----
+# Runtime libs for numpy/scipy/sklearn wheels on Debian trixie
 RUN apt-get update && apt-get install -y --no-install-recommends \
-    build-essential \
-    libatlas-base-dev \
-    gfortran \
+    libgomp1 \
+    libgfortran5 \
+    libopenblas0 \
  && rm -rf /var/lib/apt/lists/*
 
-# ---- Workdir ----
 WORKDIR /app
 
-# ---- Install Python deps first (better caching) ----
+# Install Python deps first for better caching
 COPY requirements.txt /app/
 RUN pip install --no-cache-dir --upgrade pip \
  && pip install --no-cache-dir -r requirements.txt
 
-# ---- App code ----
+# Copy app code
 COPY . /app
 
-# ---- Port configuration ----
-# Hugging Face sets $PORT for you; default to 7860 for local dev
+# Hugging Face sets $PORT; default helps local dev
 ENV PORT=7860
 EXPOSE 7860
 
-# ---- Start server (bind to $PORT) ----
-# 1 worker + 2 threads is enough for CPU Spaces; adjust if needed
+# Bind gunicorn to $PORT so Spaces health-checks pass
 CMD ["bash", "-lc", "gunicorn app:app --bind 0.0.0.0:${PORT} --workers 1 --threads 2 --timeout 120 --log-level info"]