Remove rubber/gummi and add ins-latex-template to texmf

Dockerfile

 FROM mcr.microsoft.com/devcontainers/base:ubuntu-22.04
 
-LABEL maintainer="Julian Klaiber, Urs Baumann, Yannick Zwicker"
+LABEL maintainer="Jan Untersander, Urs Baumann"
 
 ENV DEBIAN_FRONTEND noninteractive
 
@@ -11,24 +11,18 @@ RUN apt-get update -q \
     wget \
     libfontconfig1 \
     locales \
-    rubber \
-    python3 \
-    python3-pip \
-    python3-pygments \
     fonts-liberation \
     vim \
     && rm -rf /var/lib/apt/lists/*
 
-RUN pip3 install gummi
-
 # Setting locales
 RUN sed -i '/en_US.UTF-8/s/^# //g' /etc/locale.gen && \
     locale-gen
-ENV LANG en_US.UTF-8  
-ENV LANGUAGE en_US:en  
-ENV LC_ALL en_US.UTF-8 
+ENV LANG en_US.UTF-8
+ENV LANGUAGE en_US:en
+ENV LC_ALL en_US.UTF-8
 
-# Install TexLive 
+# Install TexLive
 RUN wget http://mirror.ctan.org/systems/texlive/tlnet/install-tl-unx.tar.gz; \
     mkdir /install-tl-unx; \
     tar -xvf install-tl-unx.tar.gz -C /install-tl-unx --strip-components=1; \

init.sh

@@ -41,9 +41,16 @@ install_dependencies () {
     done
 }
 
+add_ins_tex_template () {
+    # git clone ins tex template into texmf directory like:
+    mkdir -p `kpsewhich -var-value=TEXMFHOME`/tex/ins-latex-template
+    git clone https://gitlab.ost.ch/ins-public/latex/ins-latex-template.git `kpsewhich -var-value=TEXMFHOME`/tex/ins-latex-template/
+}
+
 detect_architecture
 detect_package_year
 set_environment
 enable_git_autocomplete
 install_basic_packages
-install_dependencies
\ No newline at end of file
+install_dependencies
+add_ins_tex_template
\ No newline at end of file