Play Framework Scala
A Scala snippet for Play Framework that answers requests for /pixel.gif with the empty GIF, decoded once at startup.
Play Framework Scala
// conf/routes:
// GET /pixel.gif controllers.PixelController.pixel
// app/controllers/PixelController.scala
package controllers
import javax.inject.*
import play.api.mvc.*
@Singleton
class PixelController @Inject() (cc: ControllerComponents) extends AbstractController(cc):
private val gif = java.util.Base64.getDecoder.decode("R0lGODlhAQABAIAAAP///wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==")
def pixel: Action[AnyContent] = Action {
Ok(gif).as("image/gif").withHeaders(CACHE_CONTROL -> "no-store")
}
We compiled or type-checked this snippet.
Check it
curl -sI http://localhost:8080/pixel.gif