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doc/elara-deploy.md

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+## Elara Deploy
+
+你需要准备postgresql、redis来存储数据。
+
+在项目根目录下使用 `yarn build` 命令编译。
+
+在.env文件和config目录下default.json文件中按需更改服务配置。
+
+我们部署wsrpc服务的方式：
+
+在dist目录下配创建pm2 配置文件。
+
+```yaml
+let name = "wsrpc"
+const instances = "max"
+module.exports = {
+  apps: [{
+    name,
+    script: "src/app.js",
+    exec_mode: "cluster",
+    max_memory_restart: '4G',
+    instances,
+    wait_ready: true,
+    listen_timeout: 5000,
+    node_args: "--max-semi-space-size=128",
+    env: {
+        "PORT": 7003
+    },
+  }]
+}
+```
+
+可以参考以下Dockerfile文件编译出镜像，来启动wsrpc服务。
+
+```dockerfile
+FROM node:14.17.3
+WORKDIR /usr/src/elara
+COPY . .
+WORKDIR /usr/src/elara/dist
+RUN npm install -g wscat
+ENV TZ=Asia/Shanghai
+CMD  ["pm2-runtime" ,"src/app.js" ,"-i", "max" ,"--wait-ready"]
+```
+
+也可以将其部署到 kubernetes 集群中。
+
+例如我们将其部署至阿里云的ACK集群上，我们将日志采集服务集成到每个pod中，
+
+当然也可以选择部署到其他云服务商的集群服务、serverless 等。
+
+```yaml
+apiVersion: v1
+kind: Service
+metadata:
+  annotations:
+    service.beta.kubernetes.io/alibaba-cloud-loadbalancer-protocol-port: "https:443"
+    service.beta.kubernetes.io/alibaba-cloud-loadbalancer-cert-id: "1730003425739616_17b9f7897a8_1039460414_-340151266"
+    service.beta.kubernetes.io/alibaba-cloud-loadbalancer-bandwidth: "200"
+
+  name: wsrpc-pro
+  labels:
+    app: wsrpc-pro
+spec:
+  type: LoadBalancer
+  ports:
+  - name: https
+    port: 443 
+    protocol: TCP
+    targetPort: 7003
+  - name: http
+    port: 80
+    protocol: TCP
+    targetPort: 7003
+  selector:
+    app: wsrpc-pro
+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: wsrpc-pro
+  labels:
+    app: wsrpc-pro
+spec:
+  replicas: 5
+  selector:
+    matchLabels:
+      app: wsrpc-pro
+  template:
+    metadata:
+       annotations: 
+         kubernetes.io/ingress-bandwidth: 50M 
+         kubernetes.io/egress-bandwidth: 50M 
+      labels:
+        app: wsrpc-pro
+    spec:
+      containers:
+        - name: wsrpc-pro
+          image: registry-vpc.ap-southeast-1.aliyuncs.com/patract-pro/elara:wsrpc
+          ports:
+            - containerPort: 7003
+          env:
+            - name: NODE_ENV
+              value: pro
+            - name: TZ
+              value: Asia/Shanghai 
+            - name: aliyun_logs_wsrpc-pro-stdout
+              value: stdout
+            - name: aliyun_logs_wsrpc-pro-stdout_ttl
+              value: "1"
+            - name: aliyun_logs_wsrpc-pro-app
+              value: /usr/src/elara/dist/logs/app*.log
+            - name: aliyun_logs_wsrpc-pro-app_ttl
+              value: "1"
+            - name: aliyun_logs_wsrpc-pro-error
+              value: /usr/src/elara/dist/logs/error*.log
+            - name: aliyun_logs_wsrpc-pro-error_ttl
+              value: "1"
+            - name: aliyun_logs_wsrpc-pro-exception
+              value: /usr/src/elara/dist/logs/exception*.log
+            - name: aliyun_logs_wsrpc-pro-exception_ttl
+              value: "1"
+            - name: aliyun_logs_wsrpc-pro-stdout_shard
+              value: "1" 
+```