# STAGE 1: BUILDER
# Contains all build tools and dev dependencies, will be discarded
FROM python:3.13-slim-bullseye AS builder

ARG TARGETARCH

# Install system dependencies
RUN set -x && \
    BUILD_DEPS="build-essential cmake libffi-dev libfreetype6-dev libfontconfig1-dev libpng-dev libjpeg-dev libssl-dev libxft-dev make python3-dev python3-setuptools python3-wheel" && \
    RUNTIME_DEPS="bash ca-certificates chrpath locales locales-all libfreetype6 libfontconfig1 p7zip-full python3 python3-pip unrar-free libgl1" && \
    DEBIAN_FRONTEND=noninteractive apt-get update -y && \
    apt-get install -y --no-install-recommends ${BUILD_DEPS} ${RUNTIME_DEPS}

# Install Python dependencies using virtual environment
COPY requirements-docker.txt .
RUN \
    set -x && \
    python -m venv /opt/venv && \
    . /opt/venv/bin/activate && \
    pip install --upgrade pip && \
    pip install --no-cache-dir -r requirements-docker.txt

# STAGE 2: FINAL
# Clean, small and secure image with only runtime dependencies
FROM python:3.13-slim-bullseye

# Install runtime dependencies only
RUN \
    set -x && \
    DEBIAN_FRONTEND=noninteractive apt-get update -y && \
    apt-get install -y --no-install-recommends p7zip-full unrar-free && \
    rm -rf /var/lib/apt/lists/*

# Copy artifacts from builder
COPY --from=builder /opt/venv /opt/venv

WORKDIR /opt/kcc
ENV PATH="/opt/venv/bin:$PATH"

LABEL com.kcc.name="Kindle Comic Converter" \
    com.kcc.author="Ciro Mattia Gonano, Paweł Jastrzębski and Darodi" \
    org.opencontainers.image.description='Kindle Comic Converter Base Image' \
    org.opencontainers.image.source='https://github.com/ciromattia/kcc' \
    org.opencontainers.image.title="Kindle Comic Converter Base Image"