jvm-jersey-env (#1677)

A new Jersey framework based JVM environment which is lightweight and simpler.

environments/jvm-jersey/Dockerfile

@@ -0,0 +1,15 @@
+FROM maven:3.5-jdk-8 as BUILD
+WORKDIR /usr/src/myapp/
+
+# To reuse the build cache, here we split maven dependency
+# download and package into two RUN commands to avoid cache invalidation.
+COPY pom.xml .
+RUN mvn dependency:go-offline
+
+COPY src /usr/src/myapp/src/
+RUN mvn package
+
+FROM openjdk:8-jre-alpine
+COPY --from=BUILD /usr/src/myapp/target/env-jvm-jersey-0.0.1.jar /app.jar
+ENTRYPOINT java ${JVM_OPTS} -Djava.security.egd=file:/dev/./urandom -jar app.jar 8888
+EXPOSE 8888