$
head -n 1 Dockerfile
FROM ubuntu:14.04
$
docker images my/sample-node-app
REPOSITORY TAG IMAGE ID CREATED SIZE
my/sample-node-app latest 31be09316a19 4 minutes ago 432MB
$
docker-slim build --http-probe my/sample-node-app
docker-slim[build]: state=started
docker-slim[build]: info=params target=my/sample-node-app continue.mode=enter
docker-slim[build]: state=inspecting.image
docker-slim[build]: state=inspecting.container
docker-slim[build]: info=container ... target.port.list=[32908] target.port.info=[8000/tcp => 0.0.0.0:32908]
docker-slim[build]: info=prompt message='press <enter> when you are done using the container'
docker-slim[build]: state=http.probe.starting
docker-slim[build]: info=http.probe.call status=200 method=GET target=http://127.0.0.1:32908/ attempt=1 error=none
docker-slim[build]: state=http.probe.done
docker-slim[build]: state=processing
docker-slim[build]: state=building message='building minified image'
docker-slim[build]: state=completed
docker-slim[build]: info=results status='MINIFIED BY 30.88X [432330078 (432 MB) => 14002579 (14 MB)]'
docker-slim[build]: info=results image.name=my/sample-node-app.slim image.size='14 MB' data=true
$
docker images my/sample-node-app.slim
REPOSITORY TAG IMAGE ID CREATED SIZE
my/sample-node-app.slim latest b72b685be7fe 1 minute ago 14 MB
