Updating Dockerfile to build the app from the ground up

Dockerfile.base

@@ -0,0 +1,13 @@
+FROM ubuntu
+
+ENV PATH="/tmp/apache-maven-3.6.0/bin:${PATH}"
+
+WORKDIR /tmp
+RUN apt-get update && \
+	apt-get install git -y && \
+	apt-get install sed -y && \
+	apt-get install wget -y && \
+    apt-get install openjdk-11-jdk -y
+
+RUN wget https://www-us.apache.org/dist/maven/maven-3/3.6.2/binaries/apache-maven-3.6.2-bin.tar.gz && tar xzf apache-maven-3.6.2-bin.tar.gz
+RUN export PATH=/tmp/apache-maven-3.6.2/bin:${PATH}