# Base stage: Install common dependencies
FROM python:3.10-slim AS base

# Set working directory and environment variables
WORKDIR /usr/src/app
ENV PYTHONUNBUFFERED=1 \
    PYTHONDONTWRITEBYTECODE=1 \
    PIP_NO_CACHE_DIR=1

# Copy only requirements files first to leverage Docker cache
COPY pyproject.toml ./ 

# Install system and Python dependencies in a single layer
RUN apt-get update && \
    apt-get install -y --no-install-recommends \
    build-essential \
    gcc \
    libssl-dev && \
    pip install --no-cache-dir --upgrade pip setuptools setuptools-scm && \
    rm -rf /var/lib/apt/lists/* 

# Copy project files
COPY . .

# Install base project
RUN pip install --no-cache-dir -e . 

CMD ["bash"]