dependencies {
  // swagger
  compile group: 'io.springfox', name: 'springfox-swagger2', version: '2.9.2'
  compile group: 'io.springfox', name: 'springfox-swagger-ui', version: '2.9.2'
  compile group: 'io.swagger', name: 'swagger-annotations', version: '1.5.21'
  compile group: 'io.swagger', name: 'swagger-models', version: '1.5.21'
}