> Must build an image before deploying and it takes time, so deploys are slow (of course we use CI to do it, it's not manual Docker images are extremely fast t

> Must build an image before deploying and it takes time, so deploys are slow (of course we use CI to do it, it's not manual Docker images are extremely fast to build if you use a dockerignore or staging directory properly. Our multi-GB image builds in seconds.