Dockerfile

# Multi-stage build for PCQ Messenger with liboqs support
FROM ubuntu:22.04 AS builder

# Install build dependencies
RUN apt-get update && apt-get install -y \
    build-essential \
    cmake \
    git \
    ninja-build \
    libssl-dev \
    python3 \
    python3-pip \
    python3-dev \
    wget \
    && rm -rf /var/lib/apt/lists/*

# Build and install liboqs
WORKDIR /tmp
RUN git clone --depth=1 --branch=main https://github.com/open-quantum-safe/liboqs.git && \
    cd liboqs && \
    mkdir build && cd build && \
    cmake -GNinja -DCMAKE_INSTALL_PREFIX=/usr/local .. && \
    ninja && \
    ninja install

# Install liboqs-python
RUN pip3 install liboqs-python

# Final stage
FROM ubuntu:22.04

# Install runtime dependencies
RUN apt-get update && apt-get install -y \
    python3 \
    python3-pip \
    libssl3 \
    && rm -rf /var/lib/apt/lists/*

# Copy liboqs from builder
COPY --from=builder /usr/local/lib/liboqs.so* /usr/local/lib/
COPY --from=builder /usr/local/include/oqs /usr/local/include/oqs
RUN ldconfig

# Set working directory
WORKDIR /app

# Copy application files
COPY requirements.txt .
RUN pip3 install --no-cache-dir -r requirements.txt

COPY . .

# Expose ports
EXPOSE 8080 9090 5000

# Default command (can be overridden)
CMD ["python3", "-m", "app.server"]