content: # Licensed to the Apache Software Foundation (ASF) under one
  # or more contributor license agreements.  See the NOTICE file
  # distributed with this work for additional information
  # regarding copyright ownership.  The ASF licenses this file
  # to you under the Apache License, Version 2.0 (the
  # "License"); you may not use this file except in compliance
  # with the License.  You may obtain a copy of the License at
  
  #     http://www.apache.org/licenses/LICENSE-2.0
  
  # Unless required by applicable law or agreed to in writing, software
  # distributed under the License is distributed on an "AS IS" BASIS,
  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  # See the License for the specific language governing permissions and
  # limitations under the License.
  
  FROM ubuntu:22.04
  
  ARG DEBIAN_FRONTEND=noninteractive
  
  # Install dependencies.
  RUN apt-get update && \
      apt-get install -qy \
        autoconf \
        build-essential \
        clang \
        curl \
        git \
        iputils-ping \
        libapr1-dev \
        libcurl4-nss-dev \
        libev-dev \
        libevent-dev \
        libsasl2-dev \
        libssl-dev \
        libsvn-dev \
        libtool \
        maven \
        openjdk-11-jdk \
        python2-dev\
        python-six \
        sed \
        software-properties-common \
        zlib1g-dev && \
      apt-get clean && \
      rm -rf /var/lib/apt/lists
  
  # Install newer CMake.
  RUN curl -sSL https://cmake.org/files/v3.8/cmake-3.8.2-Linux-x86_64.sh \
           -o /tmp/install-cmake.sh && \
      sh /tmp/install-cmake.sh --skip-license --prefix=/usr/local && \
      rm -f /tmp/install-cmake.sh
  
  # Install Python 3.6.
  ARG PYTHON_TARGET_VERSION=3.6.15
  
  # Download and install Python from source
  RUN curl https://www.python.org/ftp/python/$PYTHON_TARGET_VERSION/Python-$PYTHON_TARGET_VERSION.tgz -o /tmp/Python-$PYTHON_TARGET_VERSION.tgz && \
      cd /tmp && \
      tar xzf Python-$PYTHON_TARGET_VERSION.tgz && \
      cd Python-$PYTHON_TARGET_VERSION && \
      ./configure --enable-optimizations && \
      make altinstall && \
      rm -rf /tmp/Python-$PYTHON_TARGET_VERSION.tgz /tmp/Python-$PYTHON_TARGET_VERSION
  
  # Use update-alternatives to set python3.6 as python3.
  RUN update-alternatives --install /usr/bin/python3 python3 /usr/local/bin/python3.6 1
  
  # Install pip for Python 3.6.
  RUN curl https://bootstrap.pypa.io/pip/3.6/get-pip.py | python3
  
  # Add an unprivileged user.
  RUN adduser --disabled-password --gecos '' mesos
  USER mesos
  
  COPY ["entrypoint.sh", "entrypoint.sh"]
  CMD ["./entrypoint.sh"]
  