Add docker recipe

docker/Dockerfile

@@ -0,0 +1,24 @@
+FROM ubuntu:18.04
+
+# Update packages and setup timezone
+RUN apt-get update && apt-get -y upgrade && \
+      apt-get -y install tzdata
+
+ENV TZ=Europe/Zurich
+RUN ln -snf /usr/share/zoneinfo/$TZ /etc/localtime && \
+      echo $TZ > /etc/timezone
+RUN dpkg-reconfigure --frontend=noninteractive tzdata
+
+
+RUN apt-get -y install file unzip zip xz-utils git \
+                         gcc g++ cmake default-jdk \
+                         python3
+
+ADD docker/apache-maven-3.6.3-bin.tar.gz /usr/local
+RUN ln -s /usr/local/apache-maven-3.6.3/bin/mvn /usr/local/bin
+COPY template_cpp /root/template_cpp
+COPY template_java /root/template_java
+ADD barrier.py /root
+
+RUN /root/template_cpp/build.sh && /root/template_cpp/cleanup.sh
+RUN /root/template_java/build.sh && /root/template_java/cleanup.sh