From 8754bd41a7229d52a91bfecb07593f2f95e64b89 Mon Sep 17 00:00:00 2001
From: Michael Bredel <michael.bredel@h-da.de>
Date: Thu, 28 Jan 2021 22:15:57 +0100
Subject: [PATCH] Updated to Ubuntu 20.04 as base image to create version 3.0.

---
 Dockerfile.ci | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/Dockerfile.ci b/Dockerfile.ci
index 545bfb3..216991f 100644
--- a/Dockerfile.ci
+++ b/Dockerfile.ci
@@ -1,20 +1,24 @@
-FROM ubuntu:16.04
+FROM ubuntu:20.04
 
 LABEL maintainer="mbredel https://github.com/mbredel"
 
+# Set the frontend to noninteractive to configure the time zone
+ARG DEBIAN_FRONTEND=noninteractive
+
 # Install packages for building the LaTeX template.
 RUN apt-get -qq update && apt-get install -y --no-install-recommends \
     make \
-    apt-utils \
+    ghostscript \
     texlive \
     texlive-bibtex-extra \
     texlive-fonts-extra \
     texlive-lang-english \
     texlive-lang-german \
     texlive-latex-extra \
-    texlive-math-extra \
     texlive-publishers \
     texlive-science \
+    texlive-pstricks \
+    texlive-pictures \
     chktex
 
 # Command to actually build the LaTeX code.