content: FROM ubuntu:jammy
  LABEL maintainer="IETF Tools Team <tools-discuss@ietf.org>"
  
  ENV DEBIAN_FRONTEND=noninteractive
  ENV LANG=en_US.UTF-8
  
  WORKDIR /root
  
  # .bashrc configuration
  RUN echo 'xml2rfc --version' >> ~/.bashrc && \
      echo 'if [ -d ~/xml2rfc ]; then cd ~/xml2rfc; fi' >> ~/.bashrc
  
  # Install dependencies
  RUN apt-get update --fix-missing && \
      apt-get install -y --fix-missing \
          libpango-1.0-0 \
          libssl-dev \
          fontconfig \
          libharfbuzz0b \
          libpangoft2-1.0-0 \
          pkg-config \
          libxml2-utils \
          groff \
          wget \
          unzip \
          locales \
          python3.10 \
          python3.10-dev \
          python3-pip \
          python3.10-distutils && \
      locale-gen en_US.UTF-8 && \
      rm -rf /var/lib/apt/lists/* /var/log/dpkg.log && \
      apt-get autoremove -y && \
      apt-get clean -y
  
  # Install required fonts
  RUN mkdir -p ~/.fonts/opentype /tmp/fonts && \
      wget -q -O /tmp/fonts.tar.gz https://github.com/ietf-tools/xml2rfc-fonts/archive/refs/tags/3.22.0.tar.gz && \
      tar zxf /tmp/fonts.tar.gz -C /tmp/fonts && \
      mv /tmp/fonts/*/noto/* ~/.fonts/opentype/ && \
      mv /tmp/fonts/*/roboto_mono/* ~/.fonts/opentype/ && \
      rm -rf /tmp/fonts.tar.gz /tmp/fonts/ && \
      fc-cache -f
  
  # Copy everything required to build xml2rfc
  COPY pyproject.toml README.md LICENSE Makefile configtest.py .
  
  # Install & update build tools
  RUN pip3 install --upgrade \
      pip \
      setuptools \
      wheel
  
  COPY xml2rfc ./xml2rfc
  
  # Install xml2rfc
  RUN pip install ".[pdf]"
  