Merge branch '3-upgrade-to-node-v14' into 'main'

Resolve "Upgrade to Node v14"

Closes #3

See merge request !5

Dockerfile

 FROM maven:3.6.3-jdk-8
 
-RUN apt-get update && apt-get install -y npm
+RUN apt-get update
+
+# Installing Node 14.9.3 from the tarball because the base container's repository only has older versions of node
+RUN wget 'https://nodejs.org/download/release/v14.19.3/node-v14.19.3-linux-x64.tar.gz'
+RUN tar -xzC /usr --strip-components 1 -f node-v14.19.3-linux-x64.tar.gz
 
 ENV PYTHON_VERSION 3.8.12
 RUN apt-get install -y build-essential zlib1g-dev libncurses5-dev libgdbm-dev libnss3-dev libssl-dev libsqlite3-dev libreadline-dev libffi-dev curl libbz2-dev