Dockerfile to test building Arch packages build cleanly

Dockerfile.archtest

# you can add an alias to your bashrc to check that packages build
# alias makepkg_check = 'docker build -f /path/to/this/Dockerfile.archtest .'
FROM archlinux:latest

RUN pacman -Sy && pacman -S --noconfirm --noprogressbar --quiet --needed \
    base-devel sudo

RUN useradd --create-home build --home-dir /build && echo "build ALL=(ALL) NOPASSWD: ALL" > /etc/sudoers.d/build

USER build

ADD PKGBUILD /build/PKGBUILD

WORKDIR /build

RUN makepkg --syncdeps --noconfirm -r