Highgarden

Why the name highgarden? Why not.

Highgarden is an example all-in-one webservice. It mounts up a REST-like service for maintaining a list of cars.

case class Car(id: Long, licenseNumber: String, color: String, name: Option[String])

Http	Body	Description	Returns
GET localhost:8080/cars	None	Lists all cars in database	List of cars
GET localhost:8080/cars/$id	None	Get car with id $id	The requested car or 404
POST localhost:8080/cars	Car	Insert car with id	The inserted car
PATCH localhost:8080/cars/$id	Car	Update car $id	The updated car or 404
PUT localhost:8080/cars/$id	Car	Update car $id or insert if not existent	The updated/inserted car
PUT localhost:8080/cars	List[Car]	Replace all cars with list	The new list of cars
DELETE localhost:8080/cars/$id	None	Delete car	None
DELETE localhost:8080/cars	None	Delete all cars	None

About

Highgarden is built upon:

Library	Description
Scala	Scala programming language
Sbt	Buildtool for scala
Sbt-assembly	Create fatjars from sbt, used in docker images
Sbt-docker	Create docker images from sbt
Scalafmt	Codeformatter for Scala
Cats	Functional library and effect monad
Doobie	Functional JDBC for database access
Circe	JSON parsing and encoding
Http4s	HTTP services, server and client
embedded-postgres	Embedded database for testing
Flyway	Database migrations

Docker image available at Dockerhub

Running

Sbt

1. sbt run

Access the server with curl localhost:8080/cars

Docker

Make sure to have docker installed

1. create docker image with sbt docker
2. docker run -d -i -p 8080:8080 <imageId>
3. run sbt dockerPush to push image to dockerhub

Run docker ps to see the running image
Access the server with curl localhost:8080/cars

Kubernetes

1. Install kubernetes comandline client, kubectl
2. Set up client and connect to your cluster
3. kubectl create -f deployment.yaml

Since deployment is based on latest-tag you can get the newest version by deleting the old pods.