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docs: fix markdown lint issues (#995)

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* fix list indents in notifications
* fix missing lang tag
* fix list indent and extra newlines
* further indentation experimentation
* fix remark lint-recommend warnings
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nils måsén 2021-06-26 20:40:03 +02:00 • committed by GitHub
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11
docs/private-registries.md
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@ -5,8 +5,8 @@ environment, watchtower needs to know the credentials to access the registry.
The credentials can be provided to watchtower in a configuration file called `config.json`.
There are two ways to generate this configuration file:
* The configuration file can be created manually.
* Call `docker login <REGISTRY_NAME>` and share the resulting configuration file.
* The configuration file can be created manually.
* Call `docker login <REGISTRY_NAME>` and share the resulting configuration file.
### Create the configuration file manually
Create a new configuration file with the following syntax and a base64 encoded username and
@ -87,7 +87,6 @@ services:
- /var/run/docker.sock:/var/run/docker.sock
```
## Credential helpers
Some private Docker registries (the most prominent probably being AWS ECR) use non-standard ways of authentication.
To be able to use this together with watchtower, we need to use a credential helper.
@ -98,7 +97,6 @@ helper in a separate container and mount it using volumes.
### Example
Example implementation for use with [amazon-ecr-credential-helper](https://github.com/awslabs/amazon-ecr-credential-helper):
Use the dockerfile below to build the [amazon-ecr-credential-helper](https://github.com/awslabs/amazon-ecr-credential-helper),
in a volume that may be mounted onto your watchtower container.
@ -175,9 +173,12 @@ A few additional notes:
1. With docker-compose the volume (helper, in this case) MUST be set to `external: true`, otherwise docker-compose
will preface it with the directory name.
2. Note that "credsStore" : "ecr-login" is needed - and in theory if you have that you can remove the
credHelpers section
credHelpers section
3. I have this running on an EC2 instance that has credentials assigned to it - so no keys are needed; however,
you may need to include the `AWS_ACCESS_KEY_ID` and `AWS_SECRET_ACCESS_KEY` environment variables as well.
4. An alternative to adding the various variables is to create a ~/.aws/config and ~/.aws/credentials files and
place the settings there, then mount the ~/.aws directory to / in the container.