Dockerfile.dev

# Optimized dev Dockerfile with persistent venv
FROM python:3.11-slim

# Workdir and environment
WORKDIR /app
ENV PYTHONDONTWRITEBYTECODE=1 \
    PYTHONUNBUFFERED=1 \
    PIP_NO_INPUT=1 \
    PIP_DISABLE_PIP_VERSION_CHECK=1 \
    VIRTUAL_ENV=/app/.venv \
    PATH="/app/.venv/bin:$PATH"

# Install system dependencies (cached layer)
RUN --mount=type=cache,target=/var/cache/apt,sharing=locked \
    --mount=type=cache,target=/var/lib/apt,sharing=locked \
    apt-get update && apt-get install -y --no-install-recommends \
    build-essential \
    curl \
    git \
    ffmpeg \
    && rm -rf /var/lib/apt/lists/*

# Create virtual environment (will be mounted as volume in compose)
RUN python -m venv /app/.venv

# Copy only requirements for pip install layer (cached by BuildKit)
COPY requirements.txt /app/requirements.txt
COPY requirements-dev.txt /app/requirements-dev.txt

# Install Python dependencies with pip caching
# Note: If venv exists in volume mount, pip will skip already-installed packages
RUN --mount=type=cache,target=/root/.cache/pip,sharing=locked \
    pip install --upgrade pip setuptools wheel && \
    pip install -r /app/requirements.txt -r /app/requirements-dev.txt

# Copy application code
COPY . /app

# Create app user for non-root execution
RUN useradd --create-home --shell /bin/bash app || true && \
    chown -R app:app /app && \
    mkdir -p /app/.pytest_cache && \
    chmod -R 755 /app/.pytest_cache

USER app

# Health check
HEALTHCHECK --interval=30s --timeout=10s --retries=3 \
    CMD curl -f http://localhost:7860/health || exit 1

# Start uvicorn with reload for development
CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "7860", "--reload"]