# Stegasoo Base Image
# Contains all slow-to-compile dependencies (jpegio, scipy, argon2)
# Build once: docker build -f Dockerfile.base -t stegasoo-base:latest .
# Push to registry for team use: docker push yourregistry/stegasoo-base:latest

FROM python:3.12-slim

# Set environment variables
ENV PYTHONDONTWRITEBYTECODE=1
ENV PYTHONUNBUFFERED=1
ENV PIP_ROOT_USER_ACTION=ignore

# Install system dependencies
# NOTE: g++ is required for jpegio C++ compilation
# NOTE: libjpeg-dev is required for jpegio
RUN apt-get update && apt-get install -y --no-install-recommends \
    gcc \
    g++ \
    libc-dev \
    libffi-dev \
    libzbar0 \
    libjpeg-dev \
    zlib1g-dev \
    && rm -rf /var/lib/apt/lists/*

# Install the slow-to-compile packages
# These rarely change, so they get cached in this base image
RUN pip install --no-cache-dir \
    cython \
    numpy \
    scipy>=1.10.0 \
    jpegio>=0.2.0 \
    argon2-cffi>=23.0.0 \
    pillow>=10.0.0 \
    cryptography>=41.0.0

# Install web/api framework packages (also stable)
RUN pip install --no-cache-dir \
    flask>=3.0.0 \
    gunicorn>=21.0.0 \
    fastapi>=0.100.0 \
    "uvicorn[standard]>=0.20.0" \
    python-multipart>=0.0.6 \
    qrcode>=7.3.0 \
    pyzbar>=0.1.9 \
    click>=8.0.0 \
    lz4>=4.0.0

# Verify key packages work
RUN python -c "import jpegio; import scipy; import numpy; print('jpegio + scipy + numpy OK')"

# Label for tracking
LABEL org.opencontainers.image.title="Stegasoo Base"
LABEL org.opencontainers.image.description="Pre-compiled dependencies for Stegasoo"
LABEL org.opencontainers.image.version="4.0.0"