Add assemble and usage scripts

.sti/bin/assemble

+#!/bin/bash -e
+#
+# Default STI assemble script for the 'springboot-maven3-centos' image.
+#
+
+if [ "$1" = "-h" ]; then
+  exec /opt/java/bin/usage
+fi
+
+APP_RUNTIME_DIR="${HOME}/src"
+APP_SRC_DIR="/tmp/src"
+
+echo "---> Installing application source"
+mkdir -p ${APP_RUNTIME_DIR}
+cp -Rf ${APP_SRC_DIR}/* ${APP_RUNTIME_DIR}/
+
+pushd "$APP_RUNTIME_DIR/${APP_ROOT}" >/dev/null
+echo "---> Building Spring Boot application from source"
+
+mvn clean install
+
+popd >/dev/null

.sti/bin/usage

+#!/bin/sh
+
+cat <<EOF
+This is a STI springboot maven3 centos base image:
+To use it, install STI: https://github.com/openshift/source-to-image
+Sample invocation:
+sti build git://github.com/codecentric/spring-boot-sample codecentric/springboot-maven3-centos springboot-app
+You can then run the resulting image via:
+docker run -p 8080:8080 sinatra-app
+EOF

Dockerfile

@@ -13,10 +13,42 @@ RUN yum update -y && \
   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 JAVA_HOME /usr/lib/jvm/java
 ENV MAVEN_HOME /usr/share/maven
+
+# Add configuration files, bashrc and other tweaks
+ADD ./.sti/bin/usage /opt/java/bin/
+
+# Default STI scripts url
+ENV STI_SCRIPTS_URL https://raw.githubusercontent.com/codecentric/springboot-maven3-centos/master/.sti/bin
+# Default destination of scripts and sources, this is where assemble will look for them
+ENV STI_LOCATION /tmp
+
+# 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
+
+# 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
+
+CMD ["/opt/java/bin/usage"]