Dockerfile.backend

FROM python:3.11-slim

# Install system dependencies
RUN apt-get update && apt-get install -y \
    espeak \
    build-essential \
    python3-dev \
    pkg-config \
    git \
    # Required for some Python packages with C extensions
    gcc \
    # Additional dependencies
    zlib1g-dev \
    libpng-dev \
    # Scientific computing dependencies
    gfortran \
    libopenblas-dev \
    liblapack-dev \
    && rm -rf /var/lib/apt/lists/*

WORKDIR /app

# Set environment variables for numpy/scipy build
ENV OPENBLAS=/usr/lib/libopenblas.so
ENV LAPACK=/usr/lib/liblapack.so
ENV BLAS=/usr/lib/libblas.so
ENV BLIS_ARCH="generic"

# Install uv
RUN pip install uv

# Create virtual environment
RUN uv venv -p3.11

# Copy requirements first for better caching
COPY requirements.txt .

# Install numpy first as it's a build dependency for many packages
RUN . .venv/bin/activate && uv pip install numpy pip

# Install spaCy using pre-built wheel before other requirements
RUN . .venv/bin/activate && uv pip install --no-deps spacy==3.7.2

# Install the rest of the requirements
RUN . .venv/bin/activate && uv pip install --prerelease=allow -r requirements.txt

# Copy the backend code
COPY src/backend ./src/backend

# Create necessary directories
RUN mkdir -p data/audio data/files

# Set the working directory to where main.py is
WORKDIR /app/src/backend

# Command to run the application using the virtual environment's Python
CMD ["/app/.venv/bin/python", "main.py"]