# syntax=docker/dockerfile:1

# Local development Dockerfile (avoids CI-only build metadata files)

# ── Stage 1: Python dependency builder ──────────────────────────────────────
FROM python:3.14.3-slim AS builder

WORKDIR /build

RUN apt-get update && apt-get install -y --no-install-recommends \
        build-essential \
        libffi-dev \
    && rm -rf /var/lib/apt/lists/*

# Create an isolated virtual environment
RUN python -m venv /opt/venv

ENV PATH="/opt/venv/bin:$PATH" \
    PYTHONDONTWRITEBYTECODE=1 \
    PIP_NO_CACHE_DIR=1

COPY requirements.txt /build/
RUN pip install --no-cache-dir -r requirements.txt \
    && find /opt/venv -type f -name "*.pyc" -delete \
    && find /opt/venv -type d -name "__pycache__" -exec rm -rf {} + 2>/dev/null || true

# ── Stage 2: Documentation builder ──────────────────────────────────────────
FROM python:3.14.3-slim AS docs-builder

WORKDIR /docs

COPY docs/requirements.txt /docs/requirements.txt
RUN pip install --no-cache-dir -r requirements.txt

COPY docs /docs/docs
COPY mkdocs.yml /docs/mkdocs.yml

RUN mkdocs build --config-file /docs/mkdocs.yml --site-dir /docs/docs_build

# ── Stage 3: Runtime image ───────────────────────────────────────────────────
FROM python:3.14.3-slim

WORKDIR /app

COPY --from=builder /opt/venv /opt/venv

# Install system-level OCR tools required for local OCR workflows:
#   tesseract-ocr   – OCR engine used by pytesseract and ocrmypdf
#   ghostscript     – required by ocrmypdf for PDF/PS operations
#   poppler-utils   – provides pdfinfo/pdftoppm used by pdf2image
#   unpaper         – optional deskewing pre-processor used by ocrmypdf
#   wget            – used by ocr_language_manager to download tessdata files
RUN apt-get update && apt-get install -y --no-install-recommends \
        tesseract-ocr \
        ghostscript \
        poppler-utils \
        unpaper \
        wget \
    && apt-get clean && rm -rf /var/lib/apt/lists/*

COPY ./app /app/app
COPY ./frontend /app/frontend
COPY ./migrations /app/migrations
COPY ./alembic.ini /app/alembic.ini
COPY ./LICENSE /app/LICENSE
COPY ./VERSION /app/VERSION
COPY ./BUILD_DATE /app/BUILD_DATE

# Copy the pre-built MkDocs documentation site (served at /help)
COPY --from=docs-builder /docs/docs_build /app/docs_build

# Local fallbacks for build metadata
RUN echo "local" > /app/GIT_SHA \
    && echo "local" > /app/RUNTIME_INFO

# Create necessary runtime directories in a single layer
RUN mkdir -p /app/runtime_info /workdir

ENV PATH="/opt/venv/bin:$PATH" \
    PYTHONPATH=/app \
    PYTHONUNBUFFERED=1 \
    PYTHONDONTWRITEBYTECODE=1

EXPOSE 8000

CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "8000"]