Added dockerfile to run tests in

Author: jamo

Dockerfile

@@ -0,0 +1,22 @@
+FROM java:8u91
+
+
+ENV MAVEN_VERSION 3.3.9
+
+RUN mkdir -p /usr/share/maven \
+  && curl -fsSL http://apache.osuosl.org/maven/maven-3/$MAVEN_VERSION/binaries/apache-maven-$MAVEN_VERSION-bin.tar.gz \
+    | tar -xzC /usr/share/maven --strip-components=1 \
+  && ln -s /usr/share/maven/bin/mvn /usr/bin/mvn
+
+ENV MAVEN_HOME /usr/share/maven
+
+RUN useradd -g users user && mkdir -p /home/user && chown -R user:users /home/user
+RUN apt-get update && apt-get install -y ruby build-essential check pkg-config python3.4  && rm -rf /var/lib/apt/lists/*
+
+
+#RUN chown -R user:users /app
+#WORKDIR app
+
+USER user
+
+CMD ["/bin/bash"]