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Deploying Spring Boot Applications to Bluemix

Just 4 steps will get your Spring Boot application with Spring REST set up on IBM Bluemix.

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In the previous blog entry I described how to document REST APIs in Spring Boot applications via Swagger. Below I explain how to deploy these applications as Docker containers to IBM Bluemix. As example I use again the Spring REST sample.

In the Dockerfile (in the project root directory) define how to build the Docker image.


FROM java:8
VOLUME /tmp
ADD target/gs-rest-service-0.1.0.jar app.jar
RUN bash -c 'touch /app.jar'
ENTRYPOINT ["java","-Djava.security.egd=file:/dev/./urandom","-jar","/app.jar"]

From the root directory invoke the following commands.

mvn package
docker build -t gs-rest-service . 
docker run --name gs-rest-service -p 80:8080 -d -t gs-rest-service

After this you can run the sample in our local Docker environment.

http://dockerhost/greeting
http://dockerhost/v2/api-docs?group=greetings
http://dockerhost/swagger-ui.html

In order to push the image to Bluemix invoke the following commands.

cf login
cf ic login
docker tag gs-rest-service registry.ng.bluemix.net/nheidloff/gs-rest-service
docker push registry.ng.bluemix.net/nheidloff/gs-rest-service

To run the sample on Bluemix create a Docker container group.

springswaggerdockerbluemix1

After this you can run your REST API on Bluemix.

http://gs-rest-service-cg.mybluemix.net/greeting
http://gs-rest-service-cg.mybluemix.net/v2/api-docs?group=greetings
http://gs-rest-service-cg.mybluemix.net/swagger-ui.html

springswaggerdockerbluemix2


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Topics:
spring boot ,docker ,bluemix

Published at DZone with permission of Niklas Heidloff, DZone MVB. See the original article here.

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