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ocrd-galley/Dockerfile-ocrd_tesserocr

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FROM my_ocrd_workflow-core
ARG PIP_INSTALL="pip3 install --no-cache-dir --use-feature=2020-resolver"
ENV TESSDATA_BEST_VERSION 4.0.0
ENV TESSDATA_PREFIX /usr/local/share/tessdata
# Install Leptonica and Tesseract.
RUN add-apt-repository ppa:alex-p/tesseract-ocr && \
apt-get update && \
apt-get install -y \
tesseract-ocr \
libtesseract-dev \
&& \
apt-get clean && rm -rf /var/lib/apt/lists/*
# Copy OCR models
RUN mkdir -p $TESSDATA_PREFIX
ADD data/mirror/github.com/tesseract-ocr/tessdata_best/archive/${TESSDATA_BEST_VERSION}-repacked.tar.gz $TESSDATA_PREFIX/
COPY data/tesseract-models/GT4HistOCR/GT4HistOCR_2000000.traineddata $TESSDATA_PREFIX/
# Build pip installable stuff
RUN ${PIP_INSTALL} \
# Now the real stuff:
'ocrd_tesserocr >= 0.9.0'
# Check pip dependencies
RUN pip3 check
# Default command
CMD ["ocrd-tesserocr-recognize"]