Simple project to quickly start developing a Scala-based microservice or web application.
To build an executable jar, simply run (in sbt) backend/assembly (that is, the assembly task in the backend subproject). This will create a fat-jar with all the code, processed javascript, css and html. You can run the jar simply by running java:
java -jar backend/target/scala-2.12/bootzooka.jar
To build a docker image, run backend/docker:publishLocal. This will create the docker:latest image.
You can test the image by using the provided docker-compose.yml file.
Use Helm to easily deploy Bootzooka into Kubernetes cluster.
helm repo add softwaremill https://charts.softwaremill.com/
helm repo update
helm fetch softwaremill/bootzooka --untar
helm install --generate-name bootzooka
Please see Bootzooka Helm Chart documentation for more information, including configuration options.
Bootzooka-based applications can be easily deployed to Heroku.
First, you need to create a Heroku account and install the toolbelt.
Once this is done, login to heroku from the command line with heroku login while in the application’s main directory.
From there you can create a new application, e.g.:
heroku create myappname
You now have a new application, which should be also visible in Heroku’s web console. For convenience, you can set the app as the default for the project:
heroku git:remote -a myappname
Using a file-system based H2 database on a non-dev environment isn’t probably a good choice, so you can add a free, entry-level Postgres database with
heroku addons:create heroku-postgresql:hobby-dev
Bootzooka already includes the Postgres driver and properly recognizes the DATABASE_URL environment variable that is set by Postgres Heroku.
Now you can deploy your app. Bootzooka includes an sbt task which will build the fat-jar and upload it:
sbt deployHeroku
After that’s done you can visit your application’s URL. If anything goes wrong, heroku logs will show you your application’s output.