Template for ubuntu 20.04

FROM ubuntu:focal

RUN apt-get update \
    && apt-get install -y \
    curl \
    git \
    golang \
    sudo \
    vim \
    wget \
    && rm -rf /var/lib/apt/lists/*

ARG USER=coder
RUN useradd --groups sudo --no-create-home --shell /bin/bash ${USER} \
    && echo "${USER} ALL=(ALL) NOPASSWD:ALL" >/etc/sudoers.d/${USER} \
    && chmod 0440 /etc/sudoers.d/${USER}
USER ${USER}
WORKDIR /home/${USER}

FROM ubuntu:focal

RUN apt-get update \
    && apt-get install -y \
    curl \
    git \
    golang \
    sudo \
    vim \
    wget \
    && rm -rf /var/lib/apt/lists/*

ARG USER=coder
RUN useradd --groups sudo --no-create-home --shell /bin/bash ${USER} \
    && echo "${USER} ALL=(ALL) NOPASSWD:ALL" >/etc/sudoers.d/${USER} \
    && chmod 0440 /etc/sudoers.d/${USER}
USER ${USER}
WORKDIR /home/${USER}