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Jun 14, 2023
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docs: add steps for configuring trusted headers & origins in Helm chart #8031

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docs: add steps for configuring trusted headers & origins in Helm chart
ericpaulsen Jun 14, 2023
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make: fmt
ericpaulsen Jun 14, 2023
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add: lb considerations header
ericpaulsen Jun 14, 2023
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make: fmt
ericpaulsen Jun 14, 2023
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37 changes: 27 additions & 10 deletions docs/install/kubernetes.md
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Expand Up @@ -121,17 +121,34 @@ to log in and manage templates.
sessionAffinity: None
```

AWS however recommends a Network load balancer in lieu of the Classic load balancer. Use the following `values.yaml` settings to request a Network load balancer:
### Load balancing considerations

AWS however recommends a Network load balancer in lieu of the Classic load balancer. Use the following `values.yaml` settings to request a Network load balancer:

```yaml
coder:
service:
externalTrafficPolicy: Local
sessionAffinity: None
annotations: {
service.beta.kubernetes.io/aws-load-balancer-type: "nlb"
}
```

```yaml
coder:
service:
externalTrafficPolicy: Local
sessionAffinity: None
annotations: {
service.beta.kubernetes.io/aws-load-balancer-type: "nlb"
}
```
By default, Coder will set the `externalTrafficPolicy` to `Cluster` which will
mask client IP addresses in the Audit log. To preserve the source IP, you can either
set this value to `Local`, or pass through the client IP via the X-Forwarded-For
header. To configure the latter, set the following environment
variables:

```yaml
coder:
env:
- name: CODER_PROXY_TRUSTED_HEADERS
value: X-Forwarded-For
- name: CODER_PROXY_TRUSTED_ORIGINS
value: 10.0.0.1/8 # this will be the CIDR range of your Load Balancer IP address
```

1. Run the following command to install the chart in your cluster.

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