Update Dockerfile

Dockerfile

@@ -1,23 +1,35 @@
 FROM python:3.11
 
+ENV DEBIAN_FRONTEND=noninteractive \
+    FORCE_CMAKE=1 \
+    PYTHONUNBUFFERED=1
+
 WORKDIR /app
 
-# Essentials for building llama-cpp-python
-RUN apt-get update && apt-get install -y \
+# Install build tools and libs needed by llama-cpp-python
+RUN apt-get update && apt-get install -y --no-install-recommends \
     build-essential \
     cmake \
+    git \
+    pkg-config \
+    libopenblas-dev \
+    libomp-dev \
+    libgomp1 \
     python3-dev \
     && rm -rf /var/lib/apt/lists/*
 
-# Copy and install Python dependencies
-COPY requirements.txt .
-RUN pip install -r requirements.txt
+# Copy only the requirements first so this layer can be cached when app sources change
+COPY requirements.txt /app/requirements.txt
+
+# Upgrade pip tooling and install requirements
+RUN pip install --upgrade pip setuptools wheel && \
+    pip install --no-cache-dir -r /app/requirements.txt
 
-# Build llama-cpp-python from source (CPU-only)
-RUN pip install llama-cpp-python
+# Install llama-cpp-python (build from source if wheel not available)
+RUN pip install --no-cache-dir llama-cpp-python
 
-# Copy application file
-COPY app.py .
+# Copy app sources
+COPY app.py /app/app.py
 
 EXPOSE 7860 7861
-CMD ["python", "app.py"]
+CMD ["python", "app.py"]