Update Dockerfile

Dockerfile

@@ -5,6 +5,7 @@ RUN useradd -m -u 1000 appuser
 RUN mkdir -p /app/saved_models && chown -R appuser:appuser /app
 COPY requirements.txt .
 
+# Install build dependencies, including Python development tools
 RUN apt-get update && apt-get install -y \
     build-essential \
     libatlas-base-dev \
@@ -12,8 +13,13 @@ RUN apt-get update && apt-get install -y \
     swig \
     git \
     cmake \
+    python3-dev \
     && rm -rf /var/lib/apt/lists/*
 
+# Install NumPy before building FAISS
+RUN pip install --no-cache-dir numpy
+
+# Build and install FAISS
 RUN git clone https://github.com/facebookresearch/faiss.git /faiss \
     && cd /faiss \
     && mkdir build && cd build \
@@ -21,6 +27,7 @@ RUN git clone https://github.com/facebookresearch/faiss.git /faiss \
     && make -j$(nproc) \
     && make install
 
+# Install remaining Python dependencies
 RUN pip install --no-cache-dir -r requirements.txt
 
 COPY . .