Dropwizard

Srinivas KatakamPresented to JUG Hyderabad21-January-2017

Agenda

• What is this?• Benefits• Dropwizard bundle• Building and running application• Next steps• YAML• JDBI• Demo• Questions

What is this?

A damn simple library

For building production ready

RESTful web services

Benefits

Speed up• Time to Market

Reduced• Maintenance burdens

Lean• Deployment size

Dropwizard bundle

DropwizardEcosystem

Jetty for HTTP

Jercy for REST

Jackson for

JSON

Metrics for

metrics

Guava

Logback

JDBI

Liquibase

Building and running application

Setting upCreating A

Configuration Class

Creating An Application

Class

Creating A Representation

Class

Creating A Resource Class

Registering A Resource

Creating A Health Check

Adding A Health Check

Building Fat JARs

Versioning JARS Running Application Next Steps

Next Steps

Configuration Settings

• YAML• Hibernate Validator

Representations

• RESTful entities

Databases

• DAO• JDBI

Health checks

• Healthy• Unhealthy

YAML

YAML: YAML Ain't Markup Language

What It Is: YAML is a human friendly data serialization standard for all programming languages

Example: config.yml

server:rootPath: /api/*dateFormat: yyyy-MM-dd'T'HH:mmZ

JDBIJDBI

A SQL convenience library built on top of JDBC

Fluent style(Older)

Query instances are SQLStatement instances specialized for SQL queries

SQL object style(Newer)

A declarative mechanism for a common JDBI usage

Questions???