Попробуй, работай на меня.
# Start with a base image containing Java runtime
FROM openjdk:8-jdk-alpine
# Add Maintainer Info
# Add a volume pointing to /tmp
VOLUME /tmp
# Make port 8080 available to the world outside this container
EXPOSE 8080
RUN mkdir /app
WORKDIR /app
COPY . /app
RUN ./gradlew build
ENTRYPOINT ["java","-jar","./build/libs/app-0.1.0.jar"]