Adds link to blog post in README. (#611)

README.md

@@ -37,7 +37,7 @@ See documentation for using [jib-gradle-plugin](jib-gradle-plugin#quickstart).
 
 ## How Jib Works
 
-Whereas traditionally a Java application is built as a single image layer with the application JAR, Jib's build strategy separates the Java application into multiple layers for more granular incremental builds. When you change your code, only your changes are rebuilt, not your entire application. These layers, by default, are layered on top of a [distroless](https://github.com/GoogleCloudPlatform/distroless) base image.
+Whereas traditionally a Java application is built as a single image layer with the application JAR, Jib's build strategy separates the Java application into multiple layers for more granular incremental builds. When you change your code, only your changes are rebuilt, not your entire application. These layers, by default, are layered on top of a [distroless](https://github.com/GoogleCloudPlatform/distroless) base image. For more information, check out the [official blog post](https://cloudplatform.googleblog.com/2018/07/introducing-jib-build-java-docker-images-better.html).
 
 See also [rules_docker](https://github.com/bazelbuild/rules_docker) for a similar existing container image build tool for the [Bazel build system](https://github.com/bazelbuild/bazel).