Rearrangement of project structure

Dockerfile

@@ -0,0 +1,21 @@
+# Using maven image, based on java 8
+FROM maven:3.6.3-jdk-8 as target
+WORKDIR /build
+COPY pom.xml .
+COPY src/ /build/src/
+RUN mvn -ntp package
+
+# Go to working directory in docker image
+# WORKDIR /usr/app/
+
+FROM openjdk:slim-buster
+COPY --from=target /build/target/*jar-with-dependencies.jar /app/REST_XSLT.jar
+
+# Download dependencies during image build
+# (RUN - works on image creation)
+# (CMD - works on container start)
+# RUN mvn dependency:resolve
+# RUN mvn dependency:go-offline
+
+# On container creation - run maven tests
+CMD exec java -jar /app/REST_XSLT.jar