How to deploy PlayFramework Project with H2-Database

[roth.st...@gmail.com]

I developed my first PlayFramework project, which used the H2-Database. While developing I did this to start the application:

- ./activator

- h2-browser

- run

So I accessed the database via the browser GUI. The first time I filled the database with values, after that I only started it so I could get access to the data once the application runs.

Now I want to deploy my application, for example on google app engine. So obviously I have to start the database and fill it with the data once on the server. But how can I do that on the server? Can someone explain this to me? Sorry if thats a stupid question, but I am still learning :).

Thanks in advance

[Jamiel Sheikh]

You can load a YAML file on startup

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[Will Sargent]

You can start the database and fill it with data (or do anything, really) by adding things to the module and running through it.

For example, you can add a FlywayMigrator class:

https://github.com/playframework/play-scala-isolated-slick-example/blob/2.6.x/test/controller/MyApplicationFactory.scala#L31

and then bind it and run it in production:

package modules

class FlywayModule extends Module {

  override def bindings(environment: Environment, configuration: Configuration): Seq[Binding[_]] = {

    Seq(bind[FlywayMigrator].toSelf.eagerly() )

  }

}

by adding the module to application.conf:

play.modules.enabled += "modules.FlywayModule"




See 

https://www.playframework.com/documentation/2.6.x/ScalaPlayModules#Module-Registration for more details.

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[Will Sargent]

Also, I noticed you're using ./activator -- the latest version of play don't use activator, but use SBT directly.

You can see and download all the examples (with lots of database related examples) here:

https://playframework.com/download#examples

[roth.st...@gmail.com]

I see. So then it starts the database when the application gets called right. Is there also a Java example for it?

Also I found that I can start the h2-browser from the command line and run a sql script from there as well, which would be perfect. Then I would only have to start it once and run the script once on the server. 

But there's a strange thing happening. When I start the H2-Database from the Terminal, and then I start my application the way I did it all the time, just without the h2-browser command, the application never loads for some reason. When I try to go to localhost:9000 it just never loads the page. I have no idea why though.

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