Fix chart readme link in upgrade section. Removes redundant URL in favor of zero-downtime section header anchor

Signed-off-by: Scott Rigby <scott@r6by.com>
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Scott Rigby 2020-08-19 15:48:16 -04:00
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@ -71,7 +71,7 @@ There are two main ways to migrate a release from `stable/nginx-ingress` to `ing
1. Redirect your DNS traffic from the old controller to the new controller 1. Redirect your DNS traffic from the old controller to the new controller
1. Log traffic from both controllers during this changeover 1. Log traffic from both controllers during this changeover
1. [Uninstall](#uninstall-chart) the old controller once traffic has fully drained from it 1. [Uninstall](#uninstall-chart) the old controller once traffic has fully drained from it
1. For details on all of these steps see [Upgrading With Zero Downtime in Production](https://medium.com/codecademy-engineering/kubernetes-nginx-and-zero-downtime-in-production-2c910c6a5ed8) 1. For details on all of these steps see [Upgrading With Zero Downtime in Production](#upgrading-with-zero-downtime-in-production)
Note that there are some different and upgraded configurations between the two charts, described by Rimas Mocevicius from JFrog in the "Upgrading to ingress-nginx Helm chart" section of [Migrating from Helm chart nginx-ingress to ingress-nginx](https://rimusz.net/migrating-to-ingress-nginx). As the `ingress-nginx/ingress-nginx` chart continues to update, you will want to check current differences by running [helm configuration](#configuration) commands on both charts. Note that there are some different and upgraded configurations between the two charts, described by Rimas Mocevicius from JFrog in the "Upgrading to ingress-nginx Helm chart" section of [Migrating from Helm chart nginx-ingress to ingress-nginx](https://rimusz.net/migrating-to-ingress-nginx). As the `ingress-nginx/ingress-nginx` chart continues to update, you will want to check current differences by running [helm configuration](#configuration) commands on both charts.