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docs: warn about build data tx & ADD w/o context

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This updates the documentation to mention that:
1. a lot of data may get sent to the docker daemon if there is a lot of
data in the directory passed to docker build
2. ADD doesn't work in the absence of the context
3. running without a context doesn't send file data to the docker
daemon
4. explain that the data sent to the docker daemon will be used by ADD
commands
Upstream-commit: efa7ea592c1819f006acf9480c10e50ec63b3001
Component: engine
This commit is contained in:
unclejack
2013-06-06 22:06:12 +03:00
parent f485f9f4c0
commit ed288324ad
1 changed files with 6 additions and 2 deletions
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8
components/engine/docs/sources/commandline/command/build.rst
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@ -19,10 +19,14 @@ Examples
docker build .
This will take the local Dockerfile
| This will read the Dockerfile from the current directory. It will also send any other files and directories found in the current directory to the docker daemon.
| The contents of this directory would be used by ADD commands found within the Dockerfile.
| This will send a lot of data to the docker daemon if the current directory contains a lot of data.
|
.. code-block:: bash
docker build -
This will read a Dockerfile form Stdin without context
| This will read a Dockerfile from Stdin without context. Due to the lack of a context, no contents of any local directory will be sent to the docker daemon.
| ADD doesn't work when running in this mode due to the absence of the context, thus having no source files to copy to the container.