# SPDX-FileCopyrightText: 2023 James R. Barlow
# SPDX-License-Identifier: MPL-2.0

FROM alpine:3.18 as base

ENV LANG=C.UTF-8
ENV TZ=UTC

RUN apk add --no-cache \
    python3 \
    zlib

FROM base as builder

RUN apk add --no-cache \
    ca-certificates \
    git \
    python3-dev \
    py3-pip

# On arm64, we need to build cffi from source.
ARG TARGETPLATFORM

RUN if [ "${TARGETPLATFORM}" == "linux/arm64" ]; then \
    apk add --no-cache \
    build-base \
    autoconf \
    automake \
    libtool \
    zlib-dev \
    libffi-dev \
    cairo-dev \
    pkgconfig \
    ;  \
    fi

COPY . /app

WORKDIR /app

RUN python3 -m venv .venv

RUN source .venv/bin/activate \
    && python3 -m pip install --no-cache-dir --upgrade pip \
    && python3 -m pip install --no-cache-dir wheel \
    && python3 -m pip install --no-cache-dir .[test,webservice,watcher]

FROM base

RUN apk add --no-cache \
    ghostscript \
    jbig2dec \
    jbig2enc \
    pngquant \
    tesseract-ocr \
    tesseract-ocr-data-chi_sim \
    tesseract-ocr-data-deu \
    tesseract-ocr-data-eng \
    tesseract-ocr-data-fra \
    tesseract-ocr-data-osd \
    tesseract-ocr-data-por \
    tesseract-ocr-data-spa \
    ttf-droid \
    unpaper \
    && rm -rf /var/cache/apk/*

WORKDIR /app

COPY --from=builder /usr/local/lib/ /usr/local/lib/
COPY --from=builder /usr/local/bin/ /usr/local/bin/

COPY --from=builder /app/.venv/ /app/.venv/

COPY --from=builder /app/misc/webservice.py /app/
COPY --from=builder /app/misc/watcher.py /app/

# Copy minimal project files to get the test suite.
COPY --from=builder /app/pyproject.toml /app/README.md /app/
COPY --from=builder /app/tests /app/tests

ENV PATH="/app/.venv/bin:${PATH}"

ENTRYPOINT ["/app/.venv/bin/ocrmypdf"]