diff --git a/Containerfile b/Containerfile
index 9072766..2619730 100644
--- a/Containerfile
+++ b/Containerfile
@@ -8,6 +8,7 @@ RUN curl --proto '=https' --tlsv1.2 -sSf -L https://install.determinate.systems/
   --no-confirm
 ENV PATH="${PATH}:/nix/var/nix/profiles/default/bin"
 RUN nix run nixpkgs#hello
+RUN systemctl enable nix-daemon.service
 CMD [ "/usr/lib/systemd/systemd" ]
 # SSH
 RUN apt update && apt install -y openssh-server
@@ -15,6 +16,9 @@ RUN echo 'PermitRootLogin yes' >> /etc/ssh/sshd_config
 RUN echo 'PasswordAuthentication no' >> /etc/ssh/sshd_config
 RUN systemctl enable ssh
 EXPOSE 22
+# set up the root-group to share files
+RUN sed -i "s/^UMASK//" /etc/login.defs
+RUN sed -i -e '$aUMASK 002' /etc/login.defs
 # Unminimize
 RUN apt install -y unminimize
 RUN yes | unminimize
@@ -30,3 +34,8 @@ RUN rm /tmp/apt.list
 COPY ./fret.list /tmp/apt.list
 RUN apt install -o Dpkg::Options::="--force-confdef" -o Dpkg::Options::="--force-confold" -y  $(grep -vE "^\s*#" /tmp/apt.list  | tr "\n" " ") 
 RUN rm /tmp/apt.list
+# Nix
+RUN nix profile install nixpkgs\#chromium
+# Add user dev
+RUN useradd -d /root -g root dev
+RUN chmod g+w /root
diff --git a/basics.list b/basics.list
index 78e7749..f4b113e 100644
--- a/basics.list
+++ b/basics.list
@@ -9,4 +9,5 @@ tmux
 direnv
 tcc
 ffmpeg
+build-essential
 man-db
diff --git a/decker.list b/decker.list
new file mode 100644
index 0000000..a1ea164
--- /dev/null
+++ b/decker.list
@@ -0,0 +1,2 @@
+python3-pypdf
+poppler-utils
diff --git a/prep.sh b/prep.sh
index fd84b2d..3f8ebcc 100644
--- a/prep.sh
+++ b/prep.sh
@@ -1,3 +1,5 @@
-podman build -t ubuntu-nix-basepod .
-podman create --name basepod -p 2222:22 -v /var/home/ab/code/envs/home:/root:z -v /var/home/ab/code:/root/code:z localhost/ubuntu-nix-basepod:latest
-
+# podman build --network slirp4netns -t ubuntu-nix-basepod .
+podman create --name basepod --network slirp4netns -p 2222:22 -v /var/home/ab/code/envs/home:/root:z -v /var/home/ab/code:/root/code:z localhost/ubuntu-nix-basepod:latest
+#podman generate systemd basepod > ~/.config/systemd/user/basepod.service
+#systemctl --user daemon-reload
+#systemctl --user enable --now basepod
diff --git a/tex.list b/tex.list
index 554715d..3565ba5 100644
--- a/tex.list
+++ b/tex.list
@@ -3,3 +3,5 @@ texlive-lang-english
 texlive-lang-german
 texlive-latex-extra
 texlive-science
+latexmk
+texlive-xetex