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Merge pull request #4723 from dokku/josegonzalez-patch-1

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Clarify buildkit instructions
This commit is contained in:
Jose Diaz-Gonzalez
2021-08-06 13:40:45 -04:00
committed by GitHub
parent e290965acf da92be3030
commit 857850b4c6
1 changed files with 10 additions and 1 deletions
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11
docs/deployment/builders/dockerfiles.md
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@@ -145,7 +145,16 @@ RUN echo $NODE_ENV
### Building images with Docker Buildkit
If your Dockerfile is using Docker engine's [buildkit](https://docs.docker.com/develop/develop-images/build_enhancements/) (not to be confused with buildpacks), then the `DOCKER_BUILDKIT=1` environment variable needs to be set. One way to do this is to edit `/etc/environment` on your dokku host and reboot your instance. Note, for complete build log output, you should also set `BUILDKIT_PROGRESS=plain` in the same file.
If your Dockerfile is using Docker engine's [buildkit](https://docs.docker.com/develop/develop-images/build_enhancements/) (not to be confused with buildpacks), then the `DOCKER_BUILDKIT=1` environment variable needs to be set. Additionally, complete build log output can be forced via `BUILDKIT_PROGRESS=plain`. Both of these environment variables can be set as follows:
```shell
# via config:set
dokku config:set --global DOCKER_BUILDKIT=1 BUILDKIT_PROGRESS=plain
# on the /etc/default/dokku file
echo DOCKER_BUILDKIT=1 | sudo tee -a /etc/default/dokku
echo BUILDKIT_PROGRESS=plain | sudo tee -a /etc/default/dokku
```
#### Buildkit directory caching