DWTestApp

CREATING THE PROJECT USING MAVEN

mvn archetype:generate -DarchetypeGroupId=io.dropwizard.archetypes \
                       -DarchetypeArtifactId=java-simple \
                       -DarchetypeVersion=1.2.2


Define value for property 'groupId': : org.mohansun.dev
Define value for property 'artifactId': : DWTestApp
Define value for property 'version':  1.0-SNAPSHOT: :
Define value for property 'package':  org.mohansun.dev: :
[INFO] Using property: description = null
Define value for property 'name': : DWTestApp
[INFO] Using property: shaded = true
Confirm properties configuration:
groupId: org.mohansun.dev
artifactId: DWTestApp
version: 1.0-SNAPSHOT
package: org.mohansun.dev
description: null
name: DWTestApp
shaded: true

How to start the DWTestApp application

$ cat DWTestApp.yml

template: Hello, %s!, Welcome!
defaultName: Ken
server:
      rootPath: /api/*

1. Run:

mvn clean install

to build your application

2. Check the application :

java -jar target/DWTestApp-1.0-SNAPSHOT.jar check DWTestApp.yml

INFO [2018-03-09 19:12:20,177] io.dropwizard.cli.CheckCommand: Configuration is OK

3. Start application with:

java -jar target/DWTestApp-1.0-SNAPSHOT.jar server DWTestApp.yml

4. To check that your application is running:

enter url :

http://localhost:8080/api/hello-world

// http://localhost:8080/api/hello-world

{
  "id": 1,
  "content": "Hello, Ken!, Welcome!"
}

$ curl http://localhost:8080/api/events | jq
[
  {
    "id": 1,
    "name": "Birthday",
    "description": "Please be on time!",
    "location": "221B Baker Street",
    "date": 1520637966499
  }
]

Health Check

To see your applications health enter url http://localhost:8081/healthcheck

// http://localhost:8081/healthcheck

{
  "deadlocks": {
    "healthy": true
  },
  "template": {
    "healthy": true
  }
}

Presentations

• Dropwizard Introduction

References

• Building RESTful web services With Dropwizard