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Add custom error pages example file (#8060)

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* Add custom error pages example file

* Update docs/examples/customization/custom-errors/README.md

Co-authored-by: Jintao Zhang <tao12345666333@163.com>

Co-authored-by: Jintao Zhang <tao12345666333@163.com>
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Mario Vejlupek 2022-01-12 15:30:37 +01:00 committed by GitHub
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2
docs/examples/customization/custom-errors/README.md
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@ -2,6 +2,8 @@
This example demonstrates how to use a custom backend to render custom error pages.
If you are using Helm Chart, look at [example values](https://github.com/kubernetes/ingress-nginx/blob/main/docs/examples/customization/custom-errors/custom-default-backend.helm.values.yaml) and don't forget to add [configMap](https://github.com/kubernetes/ingress-nginx/blob/main/docs/examples/customization/custom-errors/custom-default-backend-error_pages.configMap.yaml) to your deployment, otherwise continue with [Customized default backend](#customized-default-backend) manual deployment.
## Customized default backend
First, create the custom `default-backend`. It will be used by the Ingress controller later on.

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docs/examples/customization/custom-errors/custom-default-backend-error_pages.configMap.yaml Normal file
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@ -0,0 +1,19 @@
# Custom error page configMap
---
apiVersion: v1
kind: ConfigMap
metadata:
name: custom_error_pages
data:
404: |
<!DOCTYPE html>
<html>
<head><title>PAGE NOT FOUND</title></head>
<body>PAGE NOT FOUND</body>
</html>
503: |
<!DOCTYPE html>
<html>
<head><title>CUSTOM SERVICE UNAVAILABLE</title></head>
<body>CUSTOM SERVICE UNAVAILABLE</body>
</html>

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docs/examples/customization/custom-errors/custom-default-backend.helm.values.yaml Normal file
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@ -0,0 +1,20 @@
controller:
custom-http-errors: "404,503"
defaultBackend:
enabled: true
image:
registry: k8s.gcr.io
image: ingress-nginx/nginx-errors
tag: "0.48.1"
extraVolumes:
- name: custom_error_pages
configMap:
name: custom_error_pages
items:
- key: "404"
path: "404.html"
- key: "503"
path: "503.html"
extraVolumeMounts:
- name: custom_error_pages
mountPath: /www

16
docs/examples/customization/custom-errors/custom-default-backend.yaml
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@ -44,3 +44,19 @@ spec:
# env:
# - name: DEBUG
# value: "true"
# Mounting custom error page from configMap
# volumeMounts:
# - name: custom_error_pages
# mountPath: /www
# Mounting custom error page from configMap
# volumes:
# - name: custom_error_pages
# configMap:
# name: custom_error_pages
# items:
# - key: "404"
# path: "404.html"
# - key: "503"
# path: "503.html"