Dockerfile

FROM ubuntu:22.04
MAINTAINER Butopêa <alex@butopea.com>

ENV DEBIAN_FRONTEND noninteractive

# Install dependencies
RUN apt-get update -qq  && apt-get upgrade -qqy \
    && apt-get install -qqy --no-install-recommends \
    curl \
    ca-certificates \
    tzdata \
    usbutils \
    cups \
    cups-filters \
    cups-bsd \
    libcupsimage2 \
    printer-driver-all \
    printer-driver-cups-pdf \
    printer-driver-foo2zjs \
    foomatic-db-compressed-ppds \
    openprinting-ppds \
    hpijs-ppds \
    hp-ppd \
    hplip \
    && apt-get clean \
    && rm -rf /var/lib/apt/lists/* \
    && rm /usr/lib/cups/backend/parallel \
    && rm /usr/lib/cups/backend/serial \
    && rm /usr/lib/cups/backend/cups-brf
    
# Setup PrintNode
RUN mkdir /usr/local/PrintNode \
    && curl -s https://dl.printnode.com/client/printnode/4.27.17/PrintNode-4.27.17-ubuntu-22.04-x86_64.tar.gz -o /tmp/printnode.tar.gz \
    && echo "d767740faf8f9b6977ad7b8fe9201dfb225c6378 /tmp/printnode.tar.gz" | sha1sum -c - \
    && tar -xzf /tmp/printnode.tar.gz -C /usr/local/PrintNode --strip-components 1 \
    && rm /tmp/printnode.tar.gz

# ENV variables
ENV TZ "Europe/Budapest"
ENV CUPSADMIN print
ENV CUPSPASSWORD print
ENV PRINTNODE_HOSTNAME docker

# Config file changes
RUN sed -i 's/Listen localhost:631/Listen 0.0.0.0:631/' /etc/cups/cupsd.conf && \
    sed -i 's/Browsing Off/Browsing On/' /etc/cups/cupsd.conf && \
    sed -i 's/<Location \/>/<Location \/>\n  Allow All/' /etc/cups/cupsd.conf && \
    sed -i 's/<Location \/admin>/<Location \/admin>\n  Allow All\n  Require user @SYSTEM/' /etc/cups/cupsd.conf && \
    sed -i 's/<Location \/admin\/conf>/<Location \/admin\/conf>\n  Allow All/' /etc/cups/cupsd.conf && \
    echo "ServerAlias *" >> /etc/cups/cupsd.conf && \
    echo "DefaultEncryption Never" >> /etc/cups/cupsd.conf

# Add custom drivers
COPY custom_drivers_filters/ /
RUN chmod 755 /usr/lib/cups/*

# Backup of Cups folder in case users do not add their own
RUN cp -rp /etc/cups /etc/cups-bak
VOLUME [ "/etc/cups" ]

# Cups ports
EXPOSE 631
EXPOSE 5353/udp
# Printnode Webinterface port
EXPOSE 8888

COPY entrypoint.sh /
RUN chmod +x /entrypoint.sh

CMD ["/entrypoint.sh"]