buildkit builder #4489
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buildkit builder #4489
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Uses an external buildkit daemon as a build strategy when the `--buildkit-addr` flag (or `BUILDKIT_ADDR` env) is set. If a direct connection fails, attempt to connect through the target app's private network using a Wireguard agent.
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Change Summary
This PR adds a 'buildkit' build strategy, selected when the
--buildkit-addrflag (orBUILDKIT_ADDRenv) is set.If a direct connection fails, the strategy attempts to connect through the target app's private network using a Wireguard agent.
What and Why:
Supports building images using a standard
buildkitdaemon, which may run separately from the Docker daemon.The main use-case is to build images on a stock
moby/buildkitimage, running in an app with a private IPv6 address connecting over Flycast. Seewjordan/buildkitfor a simple, fully-functional template in about 10 lines of config.How:
Since the Depot build strategy mostly uses a Buildkit client already, a lot of the existing code was able to be reused along with some boilerplate to fit the existing build strategy interfaces.
Documentation