FROM ubuntu:jammy-20260217

ENV DEBIAN_FRONTEND=noninteractive

# System dependencies and build tools
RUN apt-get update && \
    apt-get install -y --no-install-recommends \
    software-properties-common \
    wget \
    git \
    ca-certificates \
    build-essential \
    cmake \
    python3 \
    python3-pip \
    swig \
    libomp-dev \
    libopenblas-dev \
    libgflags-dev \
    && rm -rf /var/lib/apt/lists/*

# Python dependencies required for the Python bindings and tests
RUN python3 -m pip install numpy==1.26.4 scipy pytest

# Install a newer CMake to satisfy the build system requirements
RUN wget -qO- "https://cmake.org/files/v3.26/cmake-3.26.5-linux-x86_64.tar.gz" | tar --strip-components=1 -xz -C /usr/local

# Copy source code
WORKDIR /faiss
COPY . .

# Configure and build Faiss from source (GPU off, tests enabled, Release)
RUN cmake -S . -B build -DFAISS_ENABLE_GPU=OFF -DBUILD_TESTING=ON -DCMAKE_BUILD_TYPE=Release
RUN cmake --build build -j8
RUN cmake --build build --target swigfaiss
RUN cmake --build build --target install

# Default command: start a shell in the built environment
CMD ["bash"]

__pycache__/
*.pyc
*.pyo
*.pyd
*.so
*.dll
build/
.cmake/
CMakeFiles/
_CMakeFiles/
.DS_Store
*.log
.DS_Store.zip
.git
.github
venv/
*.egg-info/
*.venv
*.pytest_cache/