Initial centos7 based builder image providing java and maven 3

Dockerfile

+# springboot-maven3-centos
+#
+# This image provide a base for running Spring Boot based applications. It
+# provides a base Java 8 installation and Maven 3.
+
+FROM centos:centos7
+
+ENV JAVA_VERSON 1.8.0
+ENV MAVEN_VERSION 3.3.9
+
+RUN yum update -y && \
+  yum install -y curl && \
+  yum install -y java-$JAVA_VERSON-openjdk java-$JAVA_VERSON-openjdk-devel && \
+  yum clean all
+
+ENV JAVA_HOME /usr/lib/jvm/java
+
+RUN curl -fsSL https://archive.apache.org/dist/maven/maven-3/$MAVEN_VERSION/binaries/apache-maven-$MAVEN_VERSION-bin.tar.gz | tar xzf - -C /usr/share \
+  && mv /usr/share/apache-maven-$MAVEN_VERSION /usr/share/maven \
+  && ln -s /usr/share/maven/bin/mvn /usr/bin/mvn
+
+ENV MAVEN_HOME /usr/share/maven