If you try and build an image without a FROM instruction in the Dockerfile, the Docker daemon will throw an error. You must include "FROM scratch" to build a base image.
- Move /engine/admin/ and /engine/userguide/ topics to /config/ and /develop/
- Get rid of some stub topics that are no longer needed
- Rename /engine/article-img/ to /engine/images/
- Mark ambassador linking topic as obsolete
- Flesh out multistage build topic
- Reorganize some terribly obsolete content in other files
