Merge pull request #1 from markus1189/scala-2-12-9

Update to Scala 2.12.9

Author: JannikArndt

Dockerfile

@@ -12,7 +12,7 @@
 FROM circleci/openjdk:8u212-jdk-stretch
 
 # Environment variables
-ENV SCALA_VERSION=2.12.8
+ENV SCALA_VERSION=2.12.9
 ENV KUBECTL_VERSION=v1.14.2
 ENV SONAR_SCANNER_VERSION=3.3.0.1492
 ENV SONAR_SCANNER_PACKAGE=sonar-scanner-cli-${SONAR_SCANNER_VERSION}.zip
@@ -49,4 +49,4 @@ ENV PATH="/opt/scala/bin:/opt/sonar-scanner/bin:$PATH"
 USER circleci
 
 # Define working directory
-WORKDIR /home/circleci
+WORKDIR /home/circleci