Dockerfile.alpine

#
# alpine-base: Base Alpine image with sudo user
#
FROM alpine:3.21 AS base

RUN apk update --quiet && \
    apk add --quiet --no-cache \
        bash \
        curl \
        gnupg \
        openssh-client \
        shadow \
        sudo \
        wget

# Create user with sudo privilege
RUN useradd -r -u 1001 --create-home -m "test-user" && \
    echo "test-user ALL=(ALL) NOPASSWD: ALL" >> /etc/sudoers

# Use bash as default shell
SHELL ["/bin/bash", "-c"]

#
# source: Base image with source copied over
#
FROM base AS source

ARG DOTFILES_DIR="/workdir/.dotfiles"
RUN mkdir -p "$DOTFILES_DIR" && \
    chown -R "test-user" "$DOTFILES_DIR"

ADD --chown="test-user" home "$DOTFILES_DIR/home"
ADD --chown="test-user" install.d "$DOTFILES_DIR/install.d"
ADD --chown="test-user" script "$DOTFILES_DIR/script"
WORKDIR "$DOTFILES_DIR"

#
# install: Installation steps
#
FROM source AS install

ENV USER=test-user
ENV SKIP_SUDO_CHECK=true
ENV SKIP_SSH_CONFIG=true
ENV SKIP_DOCKER_CONFIG=true

USER test-user
ARG UUID="docker"
RUN ./script/install

#
# test: Test entrypoint
#
FROM install AS test

ADD --chown="test-user" tests "$DOTFILES_DIR/tests"
WORKDIR "$DOTFILES_DIR/tests"
ENTRYPOINT [ "./run.sh" ]