Dockerfile to create a welcoming environment on top of base/devel arch image

Dockerfile

FROM base/devel:latest

MAINTAINER federico@ceres-c.it

# update system
RUN \
      pacman -Syyu --noconfirm

# install basic dependencies
RUN \
      pacman -S --noconfirm \
      git \
      tmux \
      asp \
      zsh \
      pacman-contrib

# add password to root
RUN \
      echo "root:root" | chpasswd

# add unprivileged user
RUN \
      useradd -m user && \
      echo "user:user" | chpasswd

# modify sudoers file to allow user to perform root operations
# WARNING This might be unsafe!
RUN \
	echo "user   ALL=(ALL) ALL" >> /etc/sudoers

# modify makepkg.conf to allow parallel compilation
RUN \
	echo 'MAKEFLAGS="-j6"' >> /etc/makepkg.conf

# use /opt/dev as working directory
WORKDIR /home/user/

ENV EDITOR nano

# download oh-my-zsh
RUN \
	export ZSH="/home/user/.oh-my-zsh" && \
	curl -fsSL https://raw.githubusercontent.com/robbyrussell/oh-my-zsh/master/tools/install.sh | zsh || true
COPY zshrc /home/user/.zshrc

# set zsh as default shell and user
CMD ["/usr/bin/zsh"]
USER user

zshrc

export ZSH=/home/user/.oh-my-zsh
export SHELL=/usr/bin/zsh

plugins=(git history-substring-search)
ZSH_THEME=pygmalion

source $ZSH/oh-my-zsh.sh