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Merge pull request #2107 from unfold/deploy-images-ci-documentation

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Add CI deployment recipe
This commit is contained in:
Jose Diaz-Gonzalez
2016-04-16 04:11:06 -04:00
parent fd811b020a 579ffa5a62
commit 7b8cefbadc
1 changed files with 36 additions and 0 deletions
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docs/deployment/images.md
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@@ -55,3 +55,39 @@ root@dokku:~# dokku tags:deploy node-js-app v0.9.0
http://node-js-app.dokku.me
```
## Deploying image from CI
To ensure your builds are always reproducible, it's considered bad practice to store build
artifacts in your repository. For some projects however, building artifacts during deployment
to dokku may affect the performance of running applications.
One solution is to build a finished Docker image on a CI service (or even locally) and deploy
it directly to the host running dokku.
1. Build image on CI (or locally)
```shell
$ docker build -t dokku/test-app:v42
```
> Note: The image must be tagged `dokku/<app-name>:<version>`
2. Deploy image to dokku host
```shell
$ docker save dokku/test-app:v42 | ssh my.dokku.host "docker load | dokku tags:deploy test-app v42"
```
> Note: You can also use a Docker Registry to push and pull the image rather than uploading it
> directly.
Here's a more complete example using the above method:
```shell
#!/bin/bash
docker build -t dokku/test-app:v42
docker save dokku/test-app:v42 | bzip2 | ssh my.dokku.host "bunzip2 | docker load"
ssh my.dokku.host "dokku tags:create test-app previous; dokku tags:deploy test-app v42 && dokku tags:create test-app latest"
```