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buildkit
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readme: add more examples 

Signed-off-by: Tonis Tiigi <tonistiigi@gmail.com>
docker-18.09
Tonis Tiigi 2017-11-09 15:39:46 -08:00
parent 5ebab3d126
commit 579bf0d26e
1 changed files with 16 additions and 0 deletions
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@ -80,10 +80,17 @@ buildd-standalone --debug --root /var/lib/buildkit
```
buildctl build --frontend=dockerfile.v0 --local context=. --local dockerfile=.
buildctl build --frontend=dockerfile.v0 --local context=. --local dockerfile=. --frontend-opt target=foo --frontend-opt build-arg:foo=bar
```
`context` and `dockerfile` should point to local directories for build context and Dockerfile location.
##### Building a Dockerfile using [external frontend](https://hub.docker.com/r/tonistiigi/dockerfile/tags/):
```
buildctl build --frontend=gateway.v0 --frontend-opt=source=tonistiigi/dockerfile:v0 --local context=. --local dockerfile=.
buildctl build --frontend gateway.v0 --frontend-opt=source=tonistiigi/dockerfile:v0 --frontend-opt=context=git://github.com/moby/moby --frontend-opt build-arg:APT_MIRROR=cdn-fastly.deb.debian.org
````
##### Exporting resulting image to containerd
@ -94,6 +101,15 @@ buildctl build ... --exporter=image --exporter-opt name=docker.io/username/image
ctr --namespace=buildkit images ls
```
##### Push resulting image to registry
```
buildctl build ... --exporter=image --exporter-opt name=docker.io/username/image --exporter-opt push=true
```
If credentials are required, `buildctl` will attempt to read Docker configuration file.
##### Exporting build result back to client
```