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CRUD - Spring Boot Booster

Important
While you can run and interact with this booster on our local host, it requires that you also have a database installed and configured. This booster runs best when deployed on OpenShift with a PostgreSQL database. For more details on using this booster with a single-node OpenShift cluster, CI/CD deployments, as well as the rest of the runtime, see the Spring Boot Runtime Guide.
Important
This booster requires Java 8 JDK or greater and Maven 3.3.x or greater.
Important
As part of the process of creating this booster, launch.openshift.io set up a project with a CI/CD deployment of this booster. You can see the status of this deployment in your Single-node OpenShift Cluster or OpenShift Online Web Console.

Running the Booster on a Single-node OpenShift Cluster

If you have a single-node OpenShift cluster, such as Minishift or the Red Hat Container Development Kit, installed and running, you can also deploy your booster there. A single-node OpenShift cluster provides you with access to a cloud environment that is similar to a production environment.

To deploy your booster to a running single-node OpenShift cluster:

$ oc login -u developer -p developer

$ oc new-project MY_PROJECT_NAME

$ oc new-app -e POSTGRESQL_USER=luke -ePOSTGRESQL_PASSWORD=secret -ePOSTGRESQL_DATABASE=my_data openshift/postgresql-92-centos7 --name=my-database

# Wait for `my-database` application to be running.

$ mvn clean fabric8:deploy -Popenshift

Interacting with the Booster on a Single-node OpenShift Cluster

To interact with your booster while it’s running on a Single-node OpenShift Cluster, you first need to obtain it’s URL:

$ oc get route MY_APP_NAME -o jsonpath={$.spec.host}

MY_APP_NAME-MY_PROJECT_NAME.LOCAL_OPENSHIFT_HOSTNAME

You can use the form at your application’s url or you can use the curl command:

List all entries in the database
$ curl http://MY_APP_NAME-MY_PROJECT_NAME.LOCAL_OPENSHIFT_HOSTNAME/api/fruits

[ {
  "id" : 1,
  "name" : "Cherry",
}, {
  "id" : 2,
  "name" : "Apple",
}, {
  "id" : 3,
  "name" : "Banana",
} ]
Retrieve an entry with a specific ID
curl http://MY_APP_NAME-MY_PROJECT_NAME.LOCAL_OPENSHIFT_HOSTNAME/api/fruits/3

{
  "id" : 3,
  "name" : "Banana",
}
Create a new entry:
curl -H "Content-Type: application/json" -X POST -d '{"name":"pear"}'  http://MY_APP_NAME-MY_PROJECT_NAME.LOCAL_OPENSHIFT_HOSTNAME/api/fruits

{
  "id" : 4,
  "name" : "pear",
}
Update an Entry
curl -H "Content-Type: application/json" -X PUT -d '{"name":"pineapple"}'  http://MY_APP_NAME-MY_PROJECT_NAME.LOCAL_OPENSHIFT_HOSTNAME/api/fruits/1

{
  "id" : 1,
  "name" : "pineapple",
}
Delete an Entry:
curl -X DELETE http://MY_APP_NAME-MY_PROJECT_NAME.LOCAL_OPENSHIFT_HOSTNAME/api/fruits/1
Note
If you receive an HTTP Error code 503 as a response after executing these commands, it means that the application is not ready yet.

More Information

You can learn more about this booster and rest of the Spring Boot runtime in the Spring Boot Runtime Guide.

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Generated by the Red Hat Developer Launch (https://developers.redhat.com/launch)

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