feat: debian install, docker tests

Dockerfile

@@ -1,30 +1,34 @@
 #
 # debian-base: Base Debian image with sudo user
 #
-FROM debian:bullseye AS debian-base
+FROM debian:trixie-slim AS base
 
 RUN echo 'debconf debconf/frontend select Noninteractive' | debconf-set-selections
 ENV DEBIAN_FRONTEND noninteractive
 RUN apt-get -qq update
 RUN apt-get -qq install --no-install-recommends \
+    curl \
+    gnupg \
+    gnupg2 \
+    openssh-client \
     software-properties-common \
-    wget \
-    sudo
+    lsb-release \
+    sudo \
+    wget
 
 # Create user with sudo priviledge
 RUN useradd -r -u 1001 --create-home -m "test-user"
-RUN adduser "test-user" sudo
 RUN echo "test-user ALL=(ALL) NOPASSWD: ALL" \
     >>/etc/sudoers
 
 #
 # source: Base image with source copied over
 #
-FROM debian-base AS source
+FROM base AS source
 
-ARG DOTFILES_DIR="/home/test-user/.dotfiles"
-RUN mkdir ${DOTFILES_DIR}
-RUN chown test-user ${DOTFILES_DIR}
+ARG DOTFILES_DIR="/workdir/.dotfiles"
+RUN mkdir -p "$DOTFILES_DIR"
+RUN chown -R "test-user" "$DOTFILES_DIR"
 
 ADD --chown="test-user" files "$DOTFILES_DIR/files"
 ADD --chown="test-user" script "$DOTFILES_DIR/script"
@@ -36,8 +40,12 @@ WORKDIR "$DOTFILES_DIR"
 #
 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
-ENV USER=test-user
 ARG UUID="docker"
 RUN ./script/install
 
@@ -48,5 +56,5 @@ RUN ./script/install
 FROM install AS test
 
 ADD --chown="test-user" tests "$DOTFILES_DIR/tests"
-WORKDIR "${DOTFILES_DIR}/tests"
+WORKDIR "$DOTFILES_DIR/tests"
 ENTRYPOINT [ "./run.sh" ]