SBT AutoPlugins Tutorial

This tutorial will guide you through the process of writing your own sbt plugin. There are several reasons to do this and it’s really simple Add customized build steps to your continuous integration process Provide default settings for different environments for various projects Before you start, make sure to have sbt installed on your machine […]

SBT Native Packager – Multi Module / Assembly and Custom Formats

Lately the questions on Stackoverflow and the Issues around sbt-native-packager were often about topics concerning Multi Module Builds Aggregating multiple projects into a single native package SBT-Assembly jar Aggregate everything into a fat-jar and package this instead of each single jarfile Change Mappings Changing default mappings, remove ones you don’t need or add new ones Custom […]

From Java 7 Futures to Akka actors with Scala

This blog post will show you how a step by step transition from a „java 7 and j.u.c.Future“ based implementation to an „akka actor written in scala solution“ looks like. It will take four steps, which are Java 7 and futures Java 8 and parallel streams Scala and futures Scala and actors with the ask […]

Monitoring Akka with Kamon

I like the JVM a lot because there are a lot of tools available for inspecting a running JVM instance at runtime. The Java Mission Control (jmc) is one of my favorite tools, when it comes to monitor threads, hot methods and memory allocation. However these tools are of limited use, when monitoring an event-driven, […]

Akka Cluster with Docker containers

This article will show you how to build docker images that contain a single akka cluster application. You will be able to run multiple seed nodes and multiple cluster nodes. The code can be found on Github and will be available as a Typesafe Activator. If you don’t know docker or akka Docker is the new shiny star […]