handwriting-web/frontend-backend.yaml at main · 14790897/handwriting-web · GitHub

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# =========================================
# Backend: Deployment
# =========================================
apiVersion: apps/v1
kind: Deployment
metadata:
  name: backend
spec:
  # 为了避免多副本同时写同一个日志文件造成冲突，
  # 如果使用 hostPath 挂载日志，建议副本数设为 1。
  # 如果需要多副本，建议日志改用 emptyDir (不持久化) 或专业的日志收集方案。
  replicas: 1
  selector:
    matchLabels:
      app: backend
  template:
    metadata:
      labels:
        app: backend
    spec:
      containers:
      - name: backend
        image: 14790897/backend-handwriting:latest
        ports:
        - containerPort: 5000
        volumeMounts:
          - name: ttf-files
            mountPath: /app/font_assets
            readOnly: true
          - name: logs
            mountPath: /app/logs
        resources:
          limits:
            memory: "1500Mi"
            cpu: "0.8"
          requests:
            memory: "500Mi"
            cpu: "0.1"
        readinessProbe:
           tcpSocket:
             port: 5000
           initialDelaySeconds: 5
           periodSeconds: 10
      volumes:
        # [K3s 简易方案] 直接使用主机路径，类似 Docker Compose 的 - ./ttf_files:/app/font_assets
        - name: ttf-files
          hostPath:
            path: /data/handwriting/ttf_files
            type: Directory
        - name: logs
          hostPath:
            path: /data/handwriting/logs
            type: DirectoryOrCreate

---
apiVersion: v1
kind: Service
metadata:
  name: backend-service
spec:
  selector:
    app: backend
  ports:
    - protocol: TCP
      port: 5000
      targetPort: 5000
  type: ClusterIP

---
# =========================================
# Frontend: Deployment
# =========================================
apiVersion: apps/v1
kind: Deployment
metadata:
  name: frontend
spec:
  replicas: 1
  selector:
    matchLabels:
      app: frontend
  template:
    metadata:
      labels:
        app: frontend
    spec:
      containers:
      - name: frontend
        image: 14790897/frontend-handwriting:latest
        ports:
        - containerPort: 80
        resources:
          limits:
            memory: "800Mi"
            cpu: "0.5"
          requests:
            memory: "500Mi"
            cpu: "0.1"

---
apiVersion: v1
kind: Service
metadata:
  name: frontend-service
spec:
  selector:
    app: frontend
  ports:
    - protocol: TCP
      port: 80
      targetPort: 80
  type: ClusterIP

---
# =========================================
# Ingress: K3s 默认使用 Traefik
# =========================================
apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  name: handwriting-ingress
  annotations:
    # K3s 默认无需指定 ingress.class，它会自动用 Traefik 接管。
    # 但显式指定是个好习惯。
    kubernetes.io/ingress.class: traefik
spec:
  rules:
  # 如果您没有域名，可以先删除 host 这一行，
  # 这样直接访问服务器 IP 就能看到（前提是服务器上没跑其他 80 端口服务）
  - host: handwriting.local  # <--- 测试时，可以在本机 hosts 文件把这个域名指向服务器IP
    http:
      paths:
      - path: /
        pathType: Prefix
        backend:
          service:
            name: frontend-service
            port:
              number: 80

# sudo cat /var/lib/rancher/k3s/server/node-token
              # curl -sfL https://get.k3s.io | K3S_URL=https://<主服务器公网IP>:6443 K3S_TOKEN=<主服务器的密码> sh -s - --node-external-ip=<本机的公网IP>