Docker镜像制作与K8S YAML部署操作说明 (#2892)

Dockerfile

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+FROM python:3.11
+
+RUN apt-get update
+RUN apt-get install -y libgl1-mesa-glx
+
+RUN mkdir /Langchain-Chatchat
+COPY requirements.txt /Langchain-Chatchat
+COPY requirements_api.txt /Langchain-Chatchat
+COPY requirements_webui.txt /Langchain-Chatchat
+
+WORKDIR /Langchain-Chatchat
+RUN pip install --upgrade pip
+RUN pip install -r requirements.txt
+RUN pip install -r requirements_api.txt
+RUN pip install -r requirements_webui.txt
+
+EXPOSE 8501
+EXPOSE 7861
+EXPOSE 20000

Image Build ＆ YAML Setup.md

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+# 创建代码根目录
+mkdir /home/langchain
+
+## 切换代码根目录
+cd /home/langchain
+
+## 拉取仓库代码
+git clone https://github.com/chatchat-space/Langchain-Chatchat.git .
+
+## 切换Configs文件夹，复制所有的配置档并去除文档后缀.example
+/home/langchain/configs/
+
+## 配置key
+/home/langchain/configs/model_config.py
+
+## 切换代码根目录
+cd /home/langchain
+
+## 制作镜像（自行修改镜像名称与版本号）
+docker build -t {image_name}:{image_tag} .
+
+## 修改YAML里的镜像名称与版本号
+langchain_sample.yaml
+
+## 创建K8S资源
+kubectl apply -f langchain_sample.yaml
+
+## 删除K8S资源
+kubectl delete -f langchain_sample.yaml

langchain_sample.yaml

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+apiVersion: v1
+kind: PersistentVolume
+metadata:
+  name: langchain-pv
+spec:
+  capacity:
+    storage: 10Gi
+  accessModes:
+    - ReadWriteMany
+  persistentVolumeReclaimPolicy: Retain
+  storageClassName: standard
+  local:
+    path: /home/langchain #填入代码所在的目录
+  nodeAffinity:
+    required:
+      nodeSelectorTerms:
+      - matchExpressions:
+        - key: kubernetes.io/hostname
+          operator: In
+          values:
+          - instance-1
+---
+apiVersion: v1   
+kind: PersistentVolumeClaim
+metadata:
+  name: langchain-pvc
+spec:
+  accessModes:
+    - ReadWriteMany
+  storageClassName: standard
+  resources:
+    requests:
+      storage: 10Gi
+  volumeName: langchain-pv
+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: langchain
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: langchain
+  template:
+    metadata:
+      labels:
+        app: langchain
+    spec:
+      securityContext:
+        fsGroup: 101
+      containers:
+      - name: langchain
+        image:{image_name}:{image_tag} #填入镜像名称与版本号
+        command: ["python"]
+        args: ["startup.py","-a"] #启动命令
+        ports:
+        - containerPort: 8501
+        - containerPort: 7861
+        - containerPort: 20000
+        volumeMounts:
+        - name: langchain-vol
+          mountPath: /Langchain-Chatchat
+      nodeSelector: 
+        kubernetes.io/hostname: instance-1
+      volumes:
+      - name: langchain-vol
+        persistentVolumeClaim:
+          claimName: langchain-pvc
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: langchain-service
+spec:
+  selector:
+    app: langchain
+  type: NodePort
+  ports:
+    - name: webui
+      port: 8501
+      targetPort: 8501
+      nodePort: 8501
+    - name: api
+      port: 7861
+      targetPort: 7861
+      nodePort: 7861
+    - name: fastchat
+      port: 20000
+      targetPort: 20000
+      nodePort: 20000