apps/dgraph/install-single-server.yaml

---
apiVersion: v1
kind: Namespace
metadata:
  name: dgraph
---
apiVersion: v1
kind: Service
metadata:
  name: dgraph
  namespace: dgraph
  labels:
    app: dgraph
spec:
  type: ClusterIP
  ports:
  - port: 5080
    targetPort: 5080
    name: zero-grpc
  - port: 6080
    targetPort: 6080
    name: zero-http
  - port: 8080
    targetPort: 8080
    name: alpha-http
  - port: 9080
    targetPort: 9080
    name: alpha-grpc
  # - port: 8000
  #   targetPort: 8000
  #   name: ratel-http
  selector:
    app: dgraph
---
# apiVersion: traefik.containo.us/v1alpha1
# kind: IngressRoute
# metadata:
#   name: ratel
#   namespace: dgraph
# spec:
#   entryPoints:
#     - web
#   routes:
#   - kind: Rule
#     match: PathPrefix(`/ratel`)
#     services:
#     - kind: Service
#       name: dgraph
#       namespace: dgraph
#       passHostHeader: true
#       port: 8000
---
apiVersion: traefik.containo.us/v1alpha1
kind: Middleware
metadata:
  name: dgraph-stripprefix
  namespace: dgraph
spec:
  stripPrefix:
    prefixes:
      - /dgraph
---
apiVersion: traefik.containo.us/v1alpha1
kind: IngressRoute
metadata:
  name: alpha
  namespace: dgraph
spec:
  entryPoints:
    - web
  routes:
  - kind: Rule
    match: PathPrefix(`/dgraph`)
    services:
    - kind: Service
      name: dgraph
      namespace: dgraph
      passHostHeader: true
      port: 8080
    middlewares:
      - name: dgraph-stripprefix
---
# This StatefulSet runs 1 pod with one Zero, one Alpha & one Ratel containers.
apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: dgraph
  namespace: dgraph
spec:
  serviceName: "dgraph"
  replicas: 1
  selector:
      matchLabels:
        app: dgraph
  template:
    metadata:
      labels:
        app: dgraph
    spec:
      containers:
      # - name: ratel
      #   image: giolekva/dgraph-arm:latest
      #   imagePullPolicy: Always
      #   ports:
      #   - containerPort: 8000
      #     name: ratel-http
      #   command:
      #     - dgraph-ratel
      - name: zero
        image: giolekva/dgraph-arm:latest
        imagePullPolicy: Always
        ports:
        - containerPort: 5080
          name: zero-grpc
        - containerPort: 6080
          name: zero-http
        volumeMounts:
        - name: datadir
          mountPath: /dgraph
        command:
          - bash
          - "-c"
          - |
            set -ex
            dgraph zero --my=$(hostname -f):5080
      - name: alpha
        image: giolekva/dgraph-arm:latest
        imagePullPolicy: Always
        ports:
        - containerPort: 8080
          name: alpha-http
        - containerPort: 9080
          name: alpha-grpc
        volumeMounts:
        - name: datadir
          mountPath: /dgraph
        env:
          - name: POD_NAMESPACE
            valueFrom:
              fieldRef:
                fieldPath: metadata.namespace
        command:
          - bash
          - "-c"
          - |
            set -ex
            dgraph alpha --my=$(hostname -f):7080 --lru_mb 2048 --zero dgraph-0.dgraph.${POD_NAMESPACE}.svc.cluster.local:5080 --whitelist 0.0.0.0:255.255.255.255
      terminationGracePeriodSeconds: 60
      volumes:
      - name: datadir
        persistentVolumeClaim:
          claimName: datadir
  updateStrategy:
    type: RollingUpdate
  volumeClaimTemplates:
  - metadata:
      name: datadir
      annotations:
        volume.alpha.kubernetes.io/storage-class: anything
    spec:
      accessModes:
        - "ReadWriteOnce"
      resources:
        requests:
          storage: 1Gi