Added dockerfile for java app

Author: anders88

docker/app/Dockerfile

@@ -0,0 +1,6 @@
+FROM eclipse-temurin:21-jdk-alpine
+WORKDIR /app
+EXPOSE 8082
+COPY my.jar my.jar
+ENV RUN_FROM_JAR true
+ENTRYPOINT ["java","-jar","my.jar"]

src/main/kotlin/no/java/moresleep/Application.kt

@@ -40,9 +40,11 @@ private fun createHandler(): Handler {
 
     if (Setup.readBoolValue(SetupValue.RUN_FROM_JAR)) {
         // Prod ie running from jar
+        println("Running from jar")
         webAppContext.baseResource = Resource.newClassPathResource("webapp", true, false)
     } else {
         // Development ie running in ide
+        println("Running from local filesystem")
         webAppContext.resourceBase = "src/main/resources/webapp"
     }