feat: restore original docker file

Dockerfile.legacy

@@ -0,0 +1,38 @@
+# Latex-Online container
+#
+# VERSION       1
+
+# use the ubuntu base image provided by dotCloud
+FROM node:8.9.1-stretch
+
+MAINTAINER Andrey Lushnikov [email protected]
+
+# Sorted list of used packages.
+RUN apt-get clean && apt-get update && apt-get install -y \
+    biber \
+    cm-super \
+    fontconfig \
+    git-core \
+    latex-xcolor \
+    preview-latex-style \
+    python3 \
+    texlive-bibtex-extra \
+    texlive-fonts-extra \
+    texlive-generic-extra \
+    texlive-lang-all \
+    texlive-latex-base \
+    texlive-latex-extra \
+    texlive-math-extra \
+    texlive-publishers \
+    texlive-science \
+    texlive-xetex
+
+# Add xindy-2.2 instead of makeindex.
+ADD ./packages/xindy-2.2-rc2-linux.tar.gz /opt
+ENV PATH="/opt/xindy-2.2/bin:${PATH}"
+
+COPY ./util/docker-entrypoint.sh /
+
+EXPOSE 2700
+CMD ["./docker-entrypoint.sh"]
+