Streamlit Ingress - Service "dev/contistreamlitapp-svc" does not have any active Endpoint

🎈 Using Streamlit
1

Summary

I am trying to Deploy a Dockerized Streamlit Application to K8’s. I think I have everything working except for the Ingress.

I can port forward the pod and access the app, but when I go to the URL I get a blank screen and get these errors when I inspect:

image
image784×195 5.33 KB

I also see the following in the ingres-ngix pod logs:
Service “dev/contistreamlitapp-svc” does not have any active Endpoint

Steps to reproduce

Where are my files

Code snippet:
deployment.yml

apiVersion: apps/v1
kind: Deployment
metadata:
  name: contistreamlitapp-dep
  labels:
    app: contistreamlitapp
  namespace: {{ .Values.env }}
spec:
  replicas: {{ .Values.replicaCount }}
  selector:
    matchLabels:
      app: contistreamlitapp
  template:
    metadata:
      labels:
        app: contistreamlitapp
    spec:
      containers:
        - name: contistreamlitapp
          image: "{{ .Values.registry.server }}/{{ .Values.registry.image }}:{{ .Values.registry.tag }}"
          imagePullPolicy: Always
          ports:
            - name: http
              containerPort: 8501
              protocol: TCP
          readinessProbe:
            httpGet:
              path: /_stcore/health
              port: 8501
            initialDelaySeconds: 5
            failureThreshold: 10
            periodSeconds: 3
            timeoutSeconds: 10
          resources:
            limits:
              memory: 4Gi
              cpu: 1
            requests:
              memory: 1Gi
              cpu: 0
          env:
            - name: "SERVER_ENVIRONMENT"
              value: dev
            - name: "BASE_URL"
              value: /contistreamlitapp/
      nodeSelector:
        "good-for-app": "true"

ingress.yaml

apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  annotations:
    kubernetes.io/ingress.class: nginx
    nginx.ingress.kubernetes.io/ssl-redirect: "false"
    nginx.ingress.kubernetes.io/rewrite-target: /contistreamlitapp/$2
    nginx.ingress.kubernetes.io/proxy-connect-timeout: "7200"
    nginx.ingress.kubernetes.io/proxy-read-timeout: "7200"
    nginx.ingress.kubernetes.io/proxy-send-timeout: "7200"
  name: contistreamlitapp-ingress
  namespace: dev
spec:
  tls:
    - hosts:
        - {{ .Values.ingress.host }}
      secretName: aks-ingress-tls
  rules:
  - host: {{ .Values.ingress.host }}
    http:
      paths:
        - path: /contistreamlitapp(/|$)(.*)
          pathType: Prefix
          backend:
            service:
              name: contistreamlitapp-svc
              port:
                number: 8501

service.yaml

apiVersion: v1
kind: Service
metadata:
  name: contistreamlitapp-svc
  namespace: dev
spec:
  type: ClusterIP
  ports:
    - port: 8501
  selector:
    app: contistreamapp

Dockerfile

FROM python-base:latest AS contistreamlitapp

COPY . /app/

WORKDIR /app

RUN pip install -r requirements.txt

ENV PYTHONPATH /app

EXPOSE 8501

ENTRYPOINT ["streamlit", "run", "contistreamlitapp/streamlit_app.py", "--server.port=8501", "--server.address=0.0.0.0"]

Can Anyone see what I might be wrong

2

Hi @David_Mulhall

There’s a detailed guide on deploying Streamlit app to Kubernetes, have you had a look:

And a tutorial here:

3

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