dropwizard-example-app

Overview

The dropwizad example application that utilize JDBI to construct the mapping between database and objects.

Parts of the application:

• The PersonMapper provides mapping of Person Java class to database table

• The PersonDao provides the implementation of SQL queries.

• migrations.xml illustrates the usage of dropwizard-migrations which can create your database prior to running your application for the first time.

• The PersonResource is a REST resource which use the PersonDao to create/retrieve/update/delete data from the database.

Running The Application

To test the example application run the following commands.

• To create the example, package the application using Apache Maven.

mvn clean package

• To run Postgres database in docker container

docker run -d -ti --rm -e POSTGRES_USER=postgres -e POSTGRES_PASSWORD=<YOUR_PASSORD> -e POSTGRES_DB=example --name postgres -p 5432:5432 postgres:13.1-alpine

Replace <YOUR_PASSWORD> with the password.

• To initialize database run

java -jar target/dropwizard-example-app-1.0.0-SNAPSHOT.jar db migrate config/example.yml

• To run the application

POSTGRES_PASSWORD=<YOUR_PASSWORD> java -jar target/dropwizard-example-app-1.0.0-SNAPSHOT.jar server config/example.yml

Replace <YOUR_PASSWORD> with the password of postgres user.

Usage

• To post data into the application - create person

curl -H "Content-Type: application/json" -X POST -d '{"fullName":"Other Person","jobTitle":"Other Title"}' http://localhost:8080/person

• To get the list on people

curl -X GET http://localhost:8080/person

dropwizard-micrometer

This application provides an example of usage of dropwizard-micrometer package to expose system, JVM, HTTP and JDBI metrics as a prometheus endpoint in admin connector. The prometheus endpoint is available at http://localhost:8082/prometheus.

There are more details on dropwizar-micrometer usage in this doc

License

This project is licensed under the Apache License 2.0 (LICENSE)