Add deploy manifests for apiserver (ray-project#119)

apiserver/Dockerfile

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+# Build the backend service
+FROM golang:1.17 as builder
+
+WORKDIR /workspace
+# Copy the Go Modules manifests
+COPY apiserver/go.mod apiserver/go.mod
+COPY apiserver/go.sum apiserver/go.sum
+
+# Copy the go source
+COPY proto/ proto/
+COPY ray-operator/ ray-operator/
+COPY apiserver/ apiserver/
+
+WORKDIR /workspace/apiserver
+# cache deps before building and copying source so that we don't need to re-download as much
+# and so that source changes don't invalidate our downloaded layer
+RUN go mod download
+
+# Build
+WORKDIR /workspace/apiserver
+RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -a -o kuberay-apiserver cmd/main.go
+
+# Use distroless as minimal base image to package the manager binary
+# Refer to https://github.com/GoogleContainerTools/distroless for more details
+FROM gcr.io/distroless/static:nonroot
+WORKDIR /
+COPY --from=builder /workspace/apiserver/kuberay-apiserver .
+USER 65532:65532
+
+ENTRYPOINT ["/kuberay-apiserver"]

apiserver/deploy/base/apiserver.yaml

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+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: kuberay-apiserver
+  namespace: ray-system
+spec:
+  selector:
+    matchLabels:
+      app: kuberay-apiserver
+  replicas: 1
+  template:
+    metadata:
+      labels:
+        app: kuberay-apiserver
+    spec:
+      serviceAccountName: kuberay-apiserver
+      containers:
+      - name: kuberay-apiserver-container
+        image: kuberay/kuberay-apiserver:v0.1.0
+        ports:
+        - containerPort: 8888
+        - containerPort: 8887
+        resources:
+          limits:
+            cpu: 500m
+            memory: 500Mi
+          requests:
+            cpu: 300m
+            memory: 300Mi
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: kuberay-apiserver-service
+  annotations:
+    prometheus.io/path: /metrics
+    prometheus.io/scrape: "true"
+    prometheus.io/port: "8080"
+  namespace: ray-system
+spec:
+  type: NodePort
+  selector:
+    app: kuberay-apiserver
+  ports:
+    - name: http
+      port: 8888
+      targetPort: 8888
+      nodePort: 31888
+    - name: rpc
+      port: 8887
+      targetPort: 8887
+      nodePort: 31887
+
+---
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  labels:
+    app: kuberay-apiserver
+  name: kuberay-apiserver
+  namespace: ray-system
+
+---
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRoleBinding
+metadata:
+  labels:
+    app: kuberay-apiserver
+  name: kuberay-apiserver
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: ClusterRole
+  name: kuberay-apiserver
+subjects:
+  - kind: ServiceAccount
+    name: kuberay-apiserver
+    namespace: ray-system
+
+---
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRole
+metadata:
+  labels:
+    app: kuberay-apiserver
+  name: kuberay-apiserver
+rules:
+- apiGroups:
+  - ray.io
+  resources:
+  - rayclusters
+  verbs:
+  - create
+  - delete
+  - get
+  - list
+  - patch
+  - update
+  - watch
+- apiGroups:
+  - ""
+  resources:
+  - configmaps
+  verbs:
+  - create
+  - delete
+  - get
+  - list
+  - patch
+  - update
+  - watch

apiserver/deploy/base/kustomization.yaml

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+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+resources:
+- apiserver.yaml