jm + jars   5

Google Cloud Platform Blog: Introducing Jib
'build Java Docker images better':
Jib takes advantage of layering in Docker images and integrates with your build system to optimize Java container image builds in the following ways:

Simple - Jib is implemented in Java and runs as part of your Maven or Gradle build. You do not need to maintain a Dockerfile, run a Docker daemon, or even worry about creating a fat JAR with all its dependencies. Since Jib tightly integrates with your Java build, it has access to all the necessary information to package your application. Any variations in your Java build are automatically picked up during subsequent container builds.

Fast - Jib takes advantage of image layering and registry caching to achieve fast, incremental builds. It reads your build config, organizes your application into distinct layers (dependencies, resources, classes) and only rebuilds and pushes the layers that have changed. When iterating quickly on a project, Jib can save valuable time on each build by only pushing your changed layers to the registry instead of your whole application.

Reproducible - Jib supports building container images declaratively from your Maven and Gradle build metadata, and as such can be configured to create reproducible build images as long as your inputs remain the same.
build  google  java  docker  maven  gradle  coding  builds  jars  fat-jars  packaging 
5 days ago by jm
How to take over the computer of any JVM developer
To prove how easy [MITM attacking Mavencentral JARs] is to do, I wrote dilettante, a man-in-the-middle proxy that intercepts JARs from maven central and injects malicious code into them. Proxying HTTP traffic through dilettante will backdoor any JARs downloaded from maven central. The backdoored version will retain their functionality, but display a nice message to the user when they use the library.
jars  dependencies  java  build  clojure  security  mitm  http  proxies  backdoors  scala  maven  gradle 
july 2014 by jm
Making Really Executable Jars
Who knew? you can make a runnable JAR file!
There has long been a hack known in some circles, but not widely known, to make jars really executable, in the chmod +x sense. The hack takes advantage of the fact that jar files are zip files, and zip files allow arbitrary cruft to be prepended to the zip file itself (this is how self-extracting zip files work).
jars  via:netflix  shell  java  executable  chmod  zip  hacks  command-line  cli 
march 2013 by jm

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