Update Dockerfile

Dockerfile

@@ -1,13 +1,36 @@
-FROM python:3.9-slim
+FROM python:3.11-slim
 
 WORKDIR /app
-
+RUN useradd -m -u 1000 appuser
+RUN mkdir -p /app/saved_models && chown -R appuser:appuser /app
 COPY requirements.txt .
-RUN pip install --no-cache-dir -r requirements.txt
 
-COPY app.py .
-COPY data/ data/  # Copy remaining datasets
+# Install build dependencies, including Python development tools and gflags
+RUN apt-get update && apt-get install -y \
+    build-essential \
+    libatlas-base-dev \
+    gfortran \
+    swig \
+    git \
+    cmake \
+    python3-dev \
+    libgflags-dev \
+    && rm -rf /var/lib/apt/lists/*
+
+# Install NumPy before building FAISS
+RUN pip install --no-cache-dir numpy
 
-EXPOSE 7860
+# Build and install FAISS
+RUN git clone https://github.com/facebookresearch/faiss.git /faiss \
+    && cd /faiss \
+    && mkdir build && cd build \
+    && cmake -DFAISS_ENABLE_GPU=OFF -DBUILD_SHARED_LIBS=ON -DCMAKE_INSTALL_PREFIX=/usr/local .. \
+    && make -j$(nproc) \
+    && make install
+
+# Install remaining Python dependencies
+RUN pip install --no-cache-dir -r requirements.txt
 
-CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]
+COPY . .
+USER appuser
+CMD ["python", "app.py"]