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doc: Add `default-runtime` opt to daemon.json 

This is a new flag for the Windows daemon.

Signed-off-by: Brian Goff <cpuguy83@gmail.com>
This commit is contained in:
Brian Goff 2021-09-23 17:53:46 +00:00
parent 154ce5e58d
commit a90532e290
1 changed files with 8 additions and 0 deletions
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docs/reference/commandline/dockerd.md
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@ -1505,6 +1505,7 @@ This is a full example of the allowed configuration options on Windows:
"containerd-plugin-namespace": "docker-plugins",
"data-root": "",
"debug": true,
"default-runtime": "",
"default-ulimits": {},
"dns": [],
"dns-opts": [],
@ -1537,6 +1538,13 @@ This is a full example of the allowed configuration options on Windows:
}
```
The `default-runtime` option is by default unset, in which case dockerd will auto-detect the runtime. This detection is currently based on if the `containerd` flag is set.
Accepted values:
- `com.docker.hcsshim.v1` - This is the built-in runtime that Docker has used since Windows supported was first added and uses the v1 HCS API's in Windows.
- `io.containerd.runhcs.v1` - This is uses the containerd `runhcs` shim to run the container and uses the v2 HCS API's in Windows.
#### Feature options
The optional field `features` in `daemon.json` allows users to enable or disable specific
daemon features. For example, `{"features":{"buildkit": true}}` enables `buildkit` as the