Added wrapper for mounting working directory in a container

Dockerfile

@@ -4,6 +4,7 @@ LABEL maintainer="Bengt Giger <bgiger@ethz.ch>"
 COPY laweb /usr/local/bin/laweb
 COPY laweb.sty /usr/share/texlive/texmf-local/tex/latex/laweb.sty
 COPY laweb.cfg /usr/share/texlive/texmf-local/tex/latex/laweb.cfg
+COPY laweb-wrapper.sh /usr/local/bin/laweb-wrapper
 RUN dnf install -y texlive-tikz-dependency texlive-tex4ht texlive-scheme-full texlive-ifluatex
 
 WORKDIR /home/workdir

laweb-wrapper.sh

+#!/usr/bin/env bash
+
+# Wrapper for container builds, not for interactive usage
+
+if [ "$(pwd)" != "/home/workdir" ]; then
+    cd /home/workdir
+fi
+
+/usr/local/bin/laweb $1