content: #-------------------------------------------------------------------------------------------------------------
  # Copyright (c) Microsoft Corporation. All rights reserved.
  # Licensed under the MIT License. See https://go.microsoft.com/fwlink/?linkid=2090316 for license information.
  #-------------------------------------------------------------------------------------------------------------
  
  FROM continuumio/miniconda3
  
  # Avoid warnings by switching to noninteractive
  ENV DEBIAN_FRONTEND=noninteractive
  
  # This Dockerfile adds a non-root user with sudo access. Use the "remoteUser"
  # property in devcontainer.json to use it. On Linux, the container user's GID/UIDs
  # will be updated to match your local UID/GID (when using the dockerFile property).
  # See https://aka.ms/vscode-remote/containers/non-root-user for details.
  ARG USERNAME=vscode
  ARG USER_UID=1000
  ARG USER_GID=$USER_UID
  
  # Copy environment.yml (if found) to a temp locaition so we update the environment. Also
  # copy "noop.txt" so the COPY instruction does not fail if no environment.yml exists.
  COPY environment.yml* .devcontainer/noop.txt /tmp/conda-tmp/
  
  # Configure apt and install packages
  RUN apt-get update \
      && apt-get -y install --no-install-recommends apt-utils dialog 2>&1 \
      #
      # Verify git, process tools, lsb-release (common in install instructions for CLIs) installed
      && apt-get -y install git openssh-client less iproute2 procps iproute2 lsb-release \
      #
      # Install pylint
      && /opt/conda/bin/pip install pylint \
      #
      # Update Python environment based on environment.yml (if present)
      && if [ -f "/tmp/conda-tmp/environment.yml" ]; then /opt/conda/bin/conda env update -n base -f /tmp/conda-tmp/environment.yml; fi \
      && rm -rf /tmp/conda-tmp \
      #
      # Create a non-root user to use if preferred - see https://aka.ms/vscode-remote/containers/non-root-user.
      && groupadd --gid $USER_GID $USERNAME \
      && useradd -s /bin/bash --uid $USER_UID --gid $USER_GID -m $USERNAME \
      # [Optional] Add sudo support for the non-root user
      && apt-get install -y sudo \
      && echo $USERNAME ALL=\(root\) NOPASSWD:ALL > /etc/sudoers.d/$USERNAME\
      && chmod 0440 /etc/sudoers.d/$USERNAME \
      # [Additional Customization]
      && apt-get install -y nano vim emacs \
      && python -m ipykernel install --user --name "Network Analysis Made Simple"
      # Clean up
      && apt-get autoremove -y \
      && apt-get clean -y \
      && rm -rf /var/lib/apt/lists/* \
  
  # Switch back to dialog for any ad-hoc use of apt-get
  ENV DEBIAN_FRONTEND=dialog
  