format

Dockerfile

@@ -1,12 +1,20 @@
 FROM maven:3-jdk-8-alpine as builder
 WORKDIR /app
+
 COPY pom.xml .
-RUN mvn dependency:resolve dependency:go-offline -s /usr/share/maven/ref/settings-docker.xml
+RUN mvn dependency:go-offline \
+    -s /usr/share/maven/ref/settings-docker.xml
+
 COPY src ./src
-RUN mvn package -Djar.finalName=dddsample -s /usr/share/maven/ref/settings-docker.xml
+RUN mvn package \
+    -Dmaven.test.skip=true \
+    -s /usr/share/maven/ref/settings-docker.xml && \
+    mv target/dddsample*.jar target/dddsample.jar
 
 FROM java:8-jdk-alpine as runner
+EXPOSE 8080
 WORKDIR /app
+
 COPY --from=builder /app/target/dddsample.jar /app/
 CMD ["java", "-jar", "dddsample.jar"]