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Re-add rabbitmq docs section for auth env vars #2069

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Jan 5, 2022
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Re-add rabbitmq docs section for auth env vars #2069

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Update content.md
wglambert Oct 30, 2021
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Update rabbitmq/content.md
wglambert Nov 5, 2021
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wglambert Jan 5, 2022
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18 changes: 18 additions & 0 deletions rabbitmq/content.md
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Expand Up @@ -54,6 +54,24 @@ RABBITMQ_SSL_VERIFY
RABBITMQ_VM_MEMORY_HIGH_WATERMARK
```

### Setting default user and password

If you wish to change the default username and password of `guest` / `guest`, you can do so with the `RABBITMQ_DEFAULT_USER` and `RABBITMQ_DEFAULT_PASS` environmental variables. These variables were available previously in the docker-specific entrypoint shell script but are now available in RabbitMQ directly.

```console
$ docker run -d --hostname my-rabbit --name some-rabbit -e RABBITMQ_DEFAULT_USER=user -e RABBITMQ_DEFAULT_PASS=password %%IMAGE%%:3-management
```

You can then go to `http://localhost:8080` or `http://host-ip:8080` in a browser and use `user`/`password` to gain access to the management console

### Setting default vhost

If you wish to change the default vhost, you can do so with the `RABBITMQ_DEFAULT_VHOST` environmental variables:

```console
$ docker run -d --hostname my-rabbit --name some-rabbit -e RABBITMQ_DEFAULT_VHOST=my_vhost %%IMAGE%%:3-management
```

### Memory Limits

RabbitMQ contains functionality which explicitly tracks and manages memory usage, and thus needs to be made aware of cgroup-imposed limits (e.g. [`docker run --memory=..`](https://docs.docker.com/config/containers/resource_constraints/#limit-a-containers-access-to-memory)).
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