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[英]Accessing Kubernetes Cluster through ingress-nginx as proxy from react app running on localhost
[英]Why can I not open a React web app in a browser through an ingress when deploying it in a Kubernetes cluster
我在 Kube.netes 集群中部署了一個非常簡單的 React web 應用程序(使用 Argon Dashboard Pro 模板)。 當通過節點端口公開它時,它的 Docker 圖像在本地和集群中工作。 但是通過 NGINX 入口暴露它是行不通的,盡管入口本身已經針對暴露 REST 端點的其他服務和應用程序進行了測試。 web頁面的內容沒有正確構建,因為有些js文件沒有找到,雖然通過nodeport暴露出來是這樣的。
Kube.netes 部署:
apiVersion: apps/v1
kind: Deployment
metadata:
name: react-deployment
namespace: support
labels:
app: react
stage: dev
spec:
replicas: 1
template:
metadata:
labels:
app: react
spec:
containers:
- name: react
image: fmaus/react-test:argon
ports:
- containerPort: 3000
name: react-port
imagePullPolicy: Always
restartPolicy: Always
selector:
matchLabels:
app: react
Kube.netes 入口
apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
name: react-ingress
namespace: support
annotations:
nginx.ingress.kubernetes.io/use-regex: "true"
nginx.ingress.kubernetes.io/rewrite-target: /$2
nginx.ingress.kubernetes.io/configuration-snippet: |
proxy_set_header Accept-Encoding "";
more_set_headers "Content-Type: text/javascript; charset=UTF-8";
nginx.ingress.kubernetes.io/ssl-redirect: "false"
spec:
ingressClassName: nginx
rules:
- http:
paths:
- path: /test(/|$)(.*)
pathType: Prefix
backend:
service:
name: react-service
port:
number: 3000
Kube.netes 服務:
apiVersion: v1
kind: Service
metadata:
name: "react-service"
namespace: support
spec:
selector:
app: "react"
ports:
- port: 3000
type: ClusterIP
此代碼也可以在我的 GitHub 存儲庫中找到: https://github.com/fmaus/react-kube.netes-test
要重現該問題,只需將這些 Kube.netes 資源應用到集群並嘗試通過瀏覽器通過入口(http://host/subpath)訪問 web 應用程序。 我這里部署了資源: http://c105-164.cloud.gwdg.de:31600/test錯誤信息可以在瀏覽器的控制台訪問(使用Firefox時F12):
Loading failed for the <script> with source “http://c105-164.cloud.gwdg.de:31600/static/js/bundle.js”. subpath:61:1
Loading failed for the <script> with source “http://c105-164.cloud.gwdg.de:31600/static/js/vendors~main.chunk.js”. subpath:61:1
Loading failed for the <script> with source “http://c105-164.cloud.gwdg.de:31600/static/js/main.chunk.js”.
我使用 Mozilla Firefox 和以下 NGINX 入口 controller: https://kube.netes.github.io/ingress-nginx/
我認為你在這里有兩個問題:
例如
<script src="/static/js/bundle.js"></script><script src="/static/js/vendors~main.chunk.js"></script><script src="/static/js/main.chunk.js"></script></body>
需要從 /subpath/static/js/bundle.js 加載包,因為它是一個絕對鏈接。
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