Run Theia IDE in Kubernetes

theia-all.yml

---
apiVersion: v1
kind: Service
metadata:
  name: theia-svc
spec:
  ports:
  - port: 3000
    targetPort: 3000
  selector:
    k8s-app: theia
---
apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: theia
spec:
  serviceName: theia-svc
  replicas: 1
  selector:
    matchLabels:
      k8s-app: theia
  template:
    metadata:
      labels:
        k8s-app: theia
    spec:
      initContainers:
        - name: fix-permissions
          image: busybox
          command: ['sh', '-c', 'chown -R 1001:1001 /pvc']
          volumeMounts:
          - mountPath: /pvc
            name: theia-pvc
      containers:
      - name: theia
        resources: 
          limits:
            cpu: 1
          requests:
            cpu: 1
        image: theiaide/theia
        volumeMounts:
          - mountPath: /home/project
            name: theia-pvc
  volumeClaimTemplates:
  - metadata:
      name: theia-pvc
    spec:
      accessModes:
      - ReadWriteOnce
      resources:
        requests:
          storage: 10Gi
---
apiVersion: extensions/v1beta1
kind: Ingress
metadata:
  name: theia-ingress
  annotations:
    external-dns.alpha.kubernetes.io/hostname: "theia-ide.yourdomain.com"
    kubernetes.io/ingress.class: internal-ingress
spec:
  rules:
  - host: "theia-ide.yourdomain.com"
    http: &http_rule
      paths:
      - path: /
        backend:
          serviceName: theia-svc
          servicePort: 3000
  tls: 
    - hosts:
        - "theia-ide.yourdomain.com"
      secretName: letsencrypt-prod