Dockerfile

#
# Docker image for compiling Tesseract 4 (and Leptonica) from source code.
# Includes SSH Server (root password is root).
# https://github.com/tesseract-ocr/tesseract/wiki/Compiling#linux
# http://www.leptonica.org/source/README.html
#

ARG RELEASE=latest

FROM ubuntu:${RELEASE}

RUN apt-get update && apt-get install -y \
	autoconf \
	autoconf-archive \
	automake \
	build-essential \
	checkinstall \
	cmake \
	g++ \
	git \
	libcairo2-dev \
	libicu-dev \
	libjpeg-dev \
	libpango1.0-dev \
	libgif-dev \
	libwebp-dev \
	libopenjp2-7-dev \
	libpng-dev \
	libtiff-dev \
	libtool \
	pkg-config \
	wget \
	xzgv \
	zlib1g-dev 


# SSH for diagnostic
RUN apt-get update && apt-get install -y --allow-downgrades --allow-remove-essential --allow-change-held-packages openssh-server
RUN mkdir /var/run/sshd
RUN echo 'root:troubl3tim3' | chpasswd
RUN sed -i 's/PermitRootLogin prohibit-password/PermitRootLogin yes/' /etc/ssh/sshd_config
# SSH login fix. Otherwise user is kicked off after login
RUN sed 's@session\s*required\s*pam_loginuid.so@session optional pam_loginuid.so@g' -i /etc/pam.d/sshd
ENV NOTVISIBLE "in users profile"
RUN echo "export VISIBLE=now" >> /etc/profile

EXPOSE 22
CMD ["/usr/sbin/sshd", "-D"]

# Directories
ENV SCRIPTS_DIR /home/scripts
ENV PKG_DIR /home/pkg
ENV BASE_DIR /home/workspace
ENV LEP_REPO_URL https://github.com/DanBloomberg/leptonica.git
ENV LEP_SRC_DIR ${BASE_DIR}/leptonica
ENV TES_REPO_URL https://github.com/tesseract-ocr/tesseract.git
ENV TES_SRC_DIR ${BASE_DIR}/tesseract
ENV TESSDATA_PREFIX /usr/local/share/tessdata

RUN mkdir ${SCRIPTS_DIR}
RUN mkdir ${PKG_DIR}
RUN mkdir ${BASE_DIR}
RUN mkdir ${TESSDATA_PREFIX}

COPY ./container-scripts/* ${SCRIPTS_DIR}/
RUN chmod +x ${SCRIPTS_DIR}/*
RUN ${SCRIPTS_DIR}/repos_clone.sh
RUN ${SCRIPTS_DIR}/tessdata_download.sh

WORKDIR /home