# syntax = docker/dockerfile:1
FROM quay.io/archlinux/archlinux:base-devel
USER root

# Build ARG for additional packages to install (eg, openssh)
ARG addpkg

# Build ARG: use "root" for debugging
ARG debug

# Copy mirrorlist
COPY mirrorlist /etc/pacman.d/mirrorlist

# Copy app folder
COPY entrypoint /entrypoint

# Install packages
RUN --mount=type=cache,sharing=locked,target=/var/cache/pacman \
    pacman-key --init \
    && sed -i '/ParallelDownloads/c ParallelDownloads = 10' /etc/pacman.conf \
    && pacman -Sy --ask 4 archlinux-keyring \
    && pacman -Su --ask 4 --needed ${addpkg} \
        sudo bash bash-completion \
        openssh vim pacman-contrib rsync git \
        tigervnc \
        i3-wm i3status dmenu konsole kate kcalc dolphin breeze-icons \
        firefox firefox-decentraleyes firefox-ublock-origin \
        ttf-dejavu noto-fonts-cjk \
        torbrowser-launcher \
        shotwell ffmpegthumbs ark okular \
        remmina libvncserver \
    && pacman -Scc --ask 4 \
    && useradd --create-home --gid users --shell /usr/bin/bash user \
    && printf '%s\n' 'user ALL=(ALL:ALL) NOPASSWD: /usr/bin/pacman' \
        'Defaults lecture = never' >/etc/sudoers.d/zz-DOCKER \
    && passwd -l root >/dev/null 2>&1 \
    && install -d -o user -g users /home/user/.config/ \
    && install -d -o user -g users /home/user/.config/{menus,i3} \
    && curl --fail -s -L https://raw.githubusercontent.com/KDE/plasma-workspace/master/menu/desktop/plasma-applications.menu -o /home/user/.config/menus/applications.menu \
    && curl --fail -s -L https://raw.githubusercontent.com/i3/i3/next/etc/config | sed 's/exec i3-config-wizard/# &/' >/home/user/.config/i3/config

# Default environment
USER ${debug:-user}
WORKDIR /home/user
ENV HOME=/home/user
ENV DISPLAY=:0
ENV SHELL=/usr/bin/bash
ENV PS1="[\u@myvnc \W \$?]\$ "

# X session environment variable
ENV STARTXBIN=i3

# Docker entrypoint
ENTRYPOINT ["/entrypoint"]