java/.devcontainer/Dockerfile

#-----------------------------------------------------------------------------------------
# Copyright (c) Microsoft Corporation. All rights reserved.
# Licensed under the MIT License. See LICENSE in the project root for license information.
#-----------------------------------------------------------------------------------------

FROM maven:3.6-jdk-8

# Or your actual UID, GID on Linux if not the default 1000
ARG USERNAME=vscode
ARG USER_UID=1000
ARG USER_GID=$USER_UID

# Configure apt
ENV DEBIAN_FRONTEND=noninteractive
RUN apt-get update \
    && apt-get -y install --no-install-recommends apt-utils dialog 2>&1 \
    #
    # Install git, process tools, lsb-release (common in install instructions for CLIs)
    && apt-get -y install git procps lsb-release \
    #
    # Allow for a consistant java home location for settings - image is changing over time
    && if [ ! -d "/docker-java-home" ]; then ln -s "${JAVA_HOME}" /docker-java-home; fi \
    #
    # 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 non-root user
    && apt-get install -y sudo \
    && echo $USERNAME ALL=\(root\) NOPASSWD:ALL > /etc/sudoers.d/$USERNAME \
    && chmod 0440 /etc/sudoers.d/$USERNAME \
    #
    # Clean up
    && apt-get autoremove -y \
    && apt-get clean -y \
    && rm -rf /var/lib/apt/lists/*

ENV DEBIAN_FRONTEND=