# nginx-centos7
# Here you can use whatever base image is relevant for your application.
FROM centos:centos7

# Here you can specify the maintainer for the image that you're building
LABEL maintainer="Your Name <your.name@example.com>"

# Export an environment variable that provides information about the application version.
# Replace this with the version for your application.
ENV NGINX_VERSION=1.6.3

# Set the labels that are used for OpenShift to describe the builder image.
LABEL io.k8s.description="Nginx Webserver" \
    io.k8s.display-name="Nginx 1.6.3" \
    io.openshift.expose-services="8080:http" \
    io.openshift.tags="builder,webserver,html,nginx" \
    # this label tells s2i where to find its mandatory scripts
    # (run, assemble, save-artifacts)
    io.openshift.s2i.scripts-url="image:///usr/libexec/s2i"

# Install the nginx web server package and clean the yum cache
#RUN yum install -y epel-release && \
#    yum install -y --setopt=tsflags=nodocs nginx && \
#    yum clean all
RUN yum install -y java-1.8.0-openjdk-devel maven && yum clean all

# Copy the S2I scripts to /usr/libexec/s2i since we set the label that way
COPY ./s2i/bin/ /usr/libexec/s2i

#RUN chown -R 1001:1001 /usr/share/nginx
#RUN chown -R 1001:1001 /var/log/nginx
#RUN chown -R 1001:1001 /var/lib/nginx
#RUN touch /run/nginx.pid
#RUN chown -R 1001:1001 /run/nginx.pid
#RUN chown -R 1001:1001 /etc/nginx

USER 1001

# Set the default port for applications built using this image
EXPOSE 8080

# Modify the usage script in your application dir to inform the user how to run
# this image.
CMD ["/usr/libexec/s2i/usage"]

s2i/bin
s2i/bin/save-artifacts
s2i/bin/assemble
s2i/bin/run
s2i/bin/usage

#!/bin/bash -e
#
# S2I assemble script for the 'nginx-centos7' image.
# The 'assemble' script builds your application source so that it is ready to run.
#
# For more information refer to the documentation:
#	https://github.com/openshift/source-to-image/blob/master/docs/builder_image.md
#

if [[ "$1" == "-h" ]]; then
	# If the 'nginx-centos7' assemble script is executed with '-h' flag,
	# print the usage.
	exec /usr/libexec/s2i/usage
fi

mvn -Dmaven.repo.local=/tmp/.m2 package

#!/bin/bash -e
# The run script executes the server that runs your application.
#
# For more information see the documentation:
#	https://github.com/openshift/source-to-image/blob/master/docs/builder_image.md
#

# We will turn off daemonizing for the nginx process so that the container
# doesn't exit after the process runs.

#exec /usr/sbin/nginx -g "daemon off;"
cd /tmp/src/target
exec java -jar gs-serving-web-content-0.1.0.jar

make

13. Tag the new image with your docker hub repository name:

In my case, I tag is using:

14. Login to docker hub using your username and password

15. Push the image to docke hub

In my case I execute the command:

## Testing the image

1. Create a new project in openshift

2. Create a new spring boot app. We will use the following project https://github.com/corpbob/hello-spring-boot.git

In my case, I do

3. Login to the OpenShift web console->Projects->spring->Builds->Builds

You should see something like:

<img src="/assets/img/s2i_howto_build.png" />

4. Click on the Logs to see the following:

<img src="/assets/img/s2i_howto_build_logs.png"/>

5. After the build, create a route for the application