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There has been a lot of discussion (issues 4242 and 5262) about making `FROM scratch` either a special case or making `FROM` optional, implying starting from an empty file system. This patch makes the build command `FROM scratch` special cased from now on and if used does not pull/set the the initial layer of the build to the ancient image ID (511136ea..) but instead marks the build as having no base image. The next command in the dockerfile will create an image with a parent image ID of "". This means every image ever can now use one fewer layer! This also makes the image name `scratch` a reserved name by the TagStore. You will not be able to tag an image with this name from now on. If any users currently have an image tagged as `scratch`, they will still be able to use that image, but will not be able to tag a new image with that name. Goodbye '511136ea3c5a64f264b78b5433614aec563103b4d4702f3ba7d4d2698e22c158', it was nice knowing you. Fixes #4242 Docker-DCO-1.1-Signed-off-by: Josh Hawn <josh.hawn@docker.com> (github: jlhawn) |
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.. | ||
make | ||
allmaintainers.sh | ||
CONTRIBUTORS.md | ||
dind | ||
generate-authors.sh | ||
getmaintainer.sh | ||
GOVERNANCE.md | ||
install.sh | ||
MAINTAINERS | ||
MAINTAINERS.md | ||
make.sh | ||
PACKAGERS.md | ||
PRINCIPLES.md | ||
README.md | ||
RELEASE-CHECKLIST.md | ||
release.sh | ||
report-issue.sh | ||
ROADMAP.md | ||
stats.sh | ||
vendor.sh |
Hacking on Docker
The hack/ directory holds information and tools for everyone involved in the process of creating and distributing Docker, specifically:
Guides
If you're a contributor or aspiring contributor, you should read CONTRIBUTORS.md.
If you're a maintainer or aspiring maintainer, you should read MAINTAINERS.md.
If you're a packager or aspiring packager, you should read PACKAGERS.md.
If you're a maintainer in charge of a release, you should read RELEASE-CHECKLIST.md.
Roadmap
A high-level roadmap is available at ROADMAP.md.
Build tools
make.sh is the primary build tool for docker. It is used for compiling the official binary, running the test suite, and pushing releases.