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Contents
The `ufo docker push` command pushes the most recent Docker image built by `ufo docker build` to a registry. This command pushes a docker image up to the registry. By default it pushes the last image that was built with `ufo docker build`. To see what the image name is you can run `ufo docker name`. Example:
ufo docker build # to build the image
ufo docker name # to see the image name
ufo docker push # push up the registry
You'll see that `ufo docker push` simply shells out and calls `docker push`:
$ ufo docker push
=> docker push 123456789.dkr.ecr.us-east-1.amazonaws.com/hi:ufo-2018-02-13T10-51-44-e0cc7be
The push refers to a repository [123456789.dkr.ecr.us-east-1.amazonaws.com/hi]
399c739c257d: Layer already exists
...
Pushed 123456789.dkr.ecr.us-east-1.amazonaws.com/hi:ufo-2018-02-13T10-51-44-e0cc7be docker image. Took 1s.
$
You can also push up a custom image by specifying the image name as the first parameter.
ufo docker push my/image:tag
You could also use the `--push` flag as part of the `ufo docker build` command to achieve the same thing as `ufo docker push`. The `ufo docker push` command might be more intutitive.
ufo docker build --push # same as above
## Docker Authorization
Note in order to push the image to a registry you will need to login into the registry. If you are using DockerHub use the `docker login` command. If you are using AWS ECR then, ufo will automatically try to authorize you and configure your `~/.docker/config.json`. If can also use `aws ecr get-login` command.
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