Dockerfile

# syntax=docker/dockerfile:experimental

FROM centos:centos7.9.2009

ARG PIP_VERSION

# Install dependency packages
RUN yum -y update && \
  yum -y install poppler-utils xz-devel wget tar curl make which && \
  yum install -y epel-release && \
  yum install -y pandoc && \
  yum -y install libreoffice && \
  yum clean all

# Install gcc & g++ ≥ 8 for Tesseract and Detectron2
RUN yum -y install centos-release-scl && \
  yum -y install devtoolset-9-gcc* && \
  yum clean all

SHELL [ "/usr/bin/scl", "enable", "devtoolset-9"]

# Install Tessaract
RUN set -ex && \
    $sudo yum install -y opencv opencv-devel opencv-python perl-core clang libpng-devel libtiff-devel libwebp-devel libjpeg-turbo-devel git-core libtool pkgconfig xz && \
    wget https://github.com/DanBloomberg/leptonica/releases/download/1.75.1/leptonica-1.75.1.tar.gz && \
    tar -xzvf leptonica-1.75.1.tar.gz && \
    cd leptonica-1.75.1 || exit && \
    ./configure && make && $sudo make install && \
    cd .. && \
    wget http://mirror.squ.edu.om/gnu/autoconf-archive/autoconf-archive-2017.09.28.tar.xz && \
    tar -xvf autoconf-archive-2017.09.28.tar.xz && \
    cd autoconf-archive-2017.09.28 || exit && \
    ./configure && make && $sudo make install && \
    $sudo cp m4/* /usr/share/aclocal && \
    cd .. && \
    git clone --depth 1  https://github.com/tesseract-ocr/tesseract.git tesseract-ocr && \
    cd tesseract-ocr || exit && \
    export PKG_CONFIG_PATH=/usr/local/lib/pkgconfig && \
    scl enable devtoolset-9 -- sh -c './autogen.sh && ./configure && make && make install' && \
    cd .. && \
    git clone https://github.com/tesseract-ocr/tessdata.git  && \
    $sudo cp tessdata/*.traineddata /usr/local/share/tessdata && \
    $sudo rm -rf /tesseract-ocr /tessdata /autoconf-archive-2017.09.28* /leptonica-1.75.1* && \
    $sudo yum -y remove opencv opencv-devel opencv-python perl-core clang libpng-devel libtiff-devel libwebp-devel libjpeg-turbo-devel git-core libtool && \
    $sudo rm -rf /var/cache/yum/* && \
    $sudo rm -rf /tmp/* && \
    yum clean all

# Install Python
RUN yum -y install openssl-devel bzip2-devel libffi-devel make git sqlite-devel && \
  curl -O https://www.python.org/ftp/python/3.8.15/Python-3.8.15.tgz && tar -xzf Python-3.8.15.tgz && \
  cd Python-3.8.15/ && ./configure --enable-optimizations && make altinstall && \
  cd .. && rm -rf Python-3.8.15* && \
  ln -s /usr/local/bin/python3.8 /usr/local/bin/python3 && \
  $sudo yum -y remove openssl-devel bzip2-devel libffi-devel make sqlite-devel && \
  $sudo rm -rf /var/cache/yum/* && \
  yum clean all

# Set up environment 
ENV HOME /home/
WORKDIR ${HOME}
RUN mkdir ${HOME}/.ssh && chmod go-rwx ${HOME}/.ssh \
  &&  ssh-keyscan -t rsa github.com >> /home/.ssh/known_hosts
ENV PYTHONPATH="${PYTHONPATH}:${HOME}"
ENV PATH="/home/usr/.local/bin:${PATH}"

# Copy and install Unstructured
COPY requirements requirements

RUN python3.8 -m pip install pip==${PIP_VERSION} && \
  pip install --no-cache -r requirements/base.txt && \
  pip install --no-cache -r requirements/test.txt && \
  pip install --no-cache -r requirements/huggingface.txt && \
  pip install --no-cache -r requirements/dev.txt && \
  pip install --no-cache -r requirements/ingest-azure.txt && \
  pip install --no-cache -r requirements/ingest-github.txt && \
  pip install --no-cache -r requirements/ingest-gitlab.txt && \
  pip install --no-cache -r requirements/ingest-google-drive.txt && \
  pip install --no-cache -r requirements/ingest-reddit.txt && \
  pip install --no-cache -r requirements/ingest-s3.txt && \
  pip install --no-cache -r requirements/ingest-wikipedia.txt && \
  pip install --no-cache -r requirements/local-inference.txt && \
  pip install --no-cache "detectron2@git+https://github.com/facebookresearch/detectron2.git@e2ce8dc#egg=detectron2"

COPY example-docs example-docs
COPY unstructured unstructured

RUN python3.8 -c "import nltk; nltk.download('punkt')" && \
  python3.8 -c "import nltk; nltk.download('averaged_perceptron_tagger')" && \
  python3.8 -c "from unstructured.ingest.doc_processor.generalized import initialize; initialize()"

CMD ["/bin/bash"]