diff --git a/Dockerfile b/Dockerfile
index f2af883..5b9d9a2 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,18 +1,18 @@
 # Use an official OpenJDK runtime as a parent image
-FROM openjdk:8-jre-alpine
+FROM maven:3-jdk-8-alpine
 
 # set shell to bash
 # source: https://stackoverflow.com/a/40944512/3128926
 RUN apk update && apk add bash
 
-# Set the working directory to /app
-WORKDIR /app
+WORKDIR /sources
 
-# Copy the fat jar into the container at /app
-COPY /target/docker-java-app-example.jar /app
+COPY * /sources
+
+RUN cd /sources && mvn clean package
 
 # Make port 8080 available to the world outside this container
 EXPOSE 8080
 
 # Run jar file when the container launches
-CMD ["java", "-jar", "docker-java-app-example.jar"]
\ No newline at end of file
+CMD ["java", "-jar", "target/docker-java-app-example.jar"]