Dockerfile

#-------------------------------------------------------------------------------------------------------------
# Copyright (c) Microsoft Corporation.
# Licensed under the MIT License. See https://go.microsoft.com/fwlink/?linkid=2090316 for license information.
#-------------------------------------------------------------------------------------------------------------

FROM mcr.microsoft.com/powershell/test-deps:ubuntu-20.04@sha256:d1609c57d2426b9cfffa3a3ab7bda5ebc4448700f8ba8ef377692c4a70e64b8c

# Avoid warnings by switching to noninteractive
ENV DEBIAN_FRONTEND=noninteractive

# Configure apt and install packages
RUN apt-get update \
    && apt-get -y upgrade \
    && apt-get -y install --no-install-recommends apt-utils 2>&1 \
    #
    # Verify git, process tools, lsb-release (common in install instructions for CLIs) installed
    && apt-get -y install --no-install-recommends git procps lsb-release \
    #
    # 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