Use openshift base image

Dockerfile

@@ -3,18 +3,18 @@
 # This image provide a base for running Spring Boot based applications. It
 # provides a base Java 8 installation and Maven 3.
 
-FROM centos:centos7
+FROM openshift/base-centos7
 
-# Location of the STI scripts inside the image
-#
-LABEL io.openshift.s2i.scripts-url=image:///usr/libexec/s2i
-
-# Path to be used in other layers to place s2i scripts into
-ENV STI_SCRIPTS_PATH=/usr/libexec/s2i
+EXPOSE 8080
 
 ENV JAVA_VERSON 1.8.0
 ENV MAVEN_VERSION 3.3.9
 
+LABEL io.k8s.description="Platform for building and running Spring Boot applications" \
+      io.k8s.display-name="Spring Boot Maven 3" \
+      io.openshift.expose-services="8080:http" \
+      io.openshift.tags="builder,java,java8,maven,maven3,springboot"
+
 RUN yum update -y && \
   yum install -y curl && \
   yum install -y java-$JAVA_VERSON-openjdk java-$JAVA_VERSON-openjdk-devel && \
@@ -28,30 +28,9 @@ ENV JAVA_HOME /usr/lib/jvm/java
 ENV MAVEN_HOME /usr/share/maven
 
 # Add configuration files, bashrc and other tweaks
-ADD ./s2i/bin/ $STI_SCRIPTS_PATH
-
-# Create 'ruby' account we will use to run Ruby application
-# Add support for '#!/usr/bin/ruby' shebang.
-RUN mkdir -p /opt/java/src && \
-    groupadd -r java -f -g 433 && \
-    useradd -u 431 -r -g java -d /opt/java -s /sbin/nologin -c "Java user" java && \
-    chown -R java:java /opt/java
+COPY ./s2i/bin/ $STI_SCRIPTS_PATH
 
-# Set the 'root' directory for this build
-#
-# This can be overridden inside another Dockerfile that uses this image as a base
-# image or in STI via the '-e "APP_ROOT=subdir"' option.
-#
-# Use this in case when your application is contained in a subfolder of your
-# GIT repository. The default value is the root folder.
-ENV APP_ROOT .
-ENV HOME     /opt/java
-ENV PATH     $HOME/bin:$PATH
-
-WORKDIR     /opt/java/src
-USER        java
-
-EXPOSE 8080
+USER default
 
 # Set the default CMD to print the usage of the language image
 CMD $STI_SCRIPTS_PATH/usage

README.md

@@ -7,8 +7,8 @@ of the base image for deploying Spring Boot applications as reproducible Docker
 images. The resulting images can be run either by [Docker](http://docker.io)
 or using [S2I](https://github.com/openshift/source-to-image).
 
-This image is heavily inspired by the awesome [openshift/ruby-20-centos](https://github.com/openshift/ruby-20-centos/)
-builder image.
+This image is heavily inspired by the awesome [openshift/sti-ruby](https://github.com/openshift/sti-ruby/),
+builder images.
 
 Installation
 ---------------