Question 98303 in Nginx Question posted in
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how to serve static files from EKS cluster for Django? – Nginx

I am new to Kubernetes. By reading some blogs and documentation I have successfully created the EKS cluster. I am using ALB(layer 7 load balancing) for my Django app. For controlling the routes/paths I am using the ALB ingress controller. But I am unable to serve my static contents for Django admin. I know that I need a webserver(Nginx) to serve my static files. I’m not sure how to configure to serve static files.
note: (I don’t want to use whitenoise)

apiVersion: extensions/v1beta1
kind: Ingress
metadata:
  name: "backend-ingress"
  annotations:
    kubernetes.io/ingress.class: alb
    alb.ingress.kubernetes.io/scheme: internet-facing
    alb.ingress.kubernetes.io/subnets: subnet-1, subnet-2, subnet-3
    alb.ingress.kubernetes.io/certificate-arn: arn:aws:acm:ap-southeast-1:***:certificate/*
    alb.ingress.kubernetes.io/listen-ports: '[{"HTTP": 80}, {"HTTPS":443}]'
    alb.ingress.kubernetes.io/actions.ssl-redirect: '{"Type": "redirect", "RedirectConfig": { "Protocol": "HTTPS", "Port": "443", "StatusCode": "HTTP_301"}}'
  labels:
    app: stage
spec:
  rules:
    - host: *.somedomain.com
      http:
        paths:
          - path: /*
            backend:
              serviceName: backend-service
              servicePort: 8000

this is the ingress yaml i am using. But whenever i am trying to visit my Django admin it’s not loading the css and js files.

Deployment file:

apiVersion: apps/v1
kind: Deployment
metadata:
  name: server-dashboard-backend
  labels:
    app: backend
spec:
  replicas: 2
  selector:
    matchLabels:
      app: backend
  template:
    metadata:
      labels:
        app: backend
    spec:
      volumes:
        - name: staticfiles
          emptyDir: {}
      containers:
       - name: server-dashboard 
         image: *.dkr.ecr.ap-southeast-1.amazonaws.com/*:4
      volumeMounts:
            - name: staticfiles
              mountPath: /data  
         lifecycle:
            postStart:
              exec:
                command: ["/bin/sh", "-c" , "cp -r /static /data/"]

       - name: nginx
         image: nginx:stable
         ports:
            - containerPort: 80
         volumeMounts:
            - name: staticfiles
              mountPath: /data
Tags:

2

Answers


  1. Chosen as BEST ANSWER
    0

    I have solved the problem. i removed the command ["/bin/sh", "-c", "cp -r /path/to/staticfiles /data/"]

    I was mounting in the wrong path. So the new deployment file is:

    apiVersion: apps/v1
kind: Deployment
metadata:
  name: server-dashboard-backend
  labels:
    app: backend
spec:
  replicas: 2
  selector:
    matchLabels:
      app: backend
  template:
    metadata:
      labels:
        app: backend
    spec:
      volumes:
        - name: staticfiles
          emptyDir: {}

      containers:
       - name: server-dashboard 
         image: *.dkr.ecr.ap-southeast-1.amazonaws.com/*:4
         volumeMounts:
            - name: staticfiles
              mountPath: /usr/src/code/static
          

       - name: nginx
         image: nginx:stable
         ports:
            - containerPort: 80
         volumeMounts:
            - name: staticfiles
              mountPath: /usr/share/nginx/html/static/

  2. 0

    I solved the problem creating a pod with the Django BE and Nginx reverse-proxy, sharing the static files volume:

    ---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: myapp
  labels:
    app: myapp
spec:
  selector:
    matchLabels:
      app: myapp
  template:
    metadata:
      labels:
        app: myapp
    spec:
      volumes:
        - name: staticfiles
          emptyDir: {}
      containers:
        - name: nginx
          image: ...
          ports:
            - containerPort: 80
          volumeMounts:
            - name: staticfiles
              mountPath: /data

        - name: django
          image: ...
          ports:
            - containerPort: 8000
          volumeMounts:
            - name: staticfiles
              mountPath: /data
          lifecycle:
            postStart:
              exec:
                command: ["/bin/sh", "-c", "cp -r /path/to/staticfiles /data/"]

    Then, in the Service (and the Ingress), point the Nginx 80 port.

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