apiVersion: apps/v1
kind: Deployment
metadata:
  name: zhinian-web
  namespace: zhinian
spec:
  # Keep one replica until uploaded/generated files are stored in OSS or another
  # shared object store. PostgreSQL alone does not make local runtime files shared.
  replicas: 1
  strategy:
    type: RollingUpdate
    rollingUpdate:
      maxSurge: 1 # Budget RDS connections for (replicas + maxSurge) * DATABASE_POOL_MAX.
      maxUnavailable: 0
  selector:
    matchLabels:
      app.kubernetes.io/name: zhinian
      app.kubernetes.io/component: web
  template:
    metadata:
      labels:
        app.kubernetes.io/name: zhinian
        app.kubernetes.io/component: web
    spec:
      automountServiceAccountToken: false
      securityContext:
        seccompProfile:
          type: RuntimeDefault
      containers:
        - name: web
          image: REGISTRY/PROJECT/zhinian-aigc:REPLACE_TAG
          imagePullPolicy: IfNotPresent
          ports:
            - name: http
              containerPort: 3000
          envFrom:
            - configMapRef:
                name: zhinian-runtime
          env:
            - name: DATABASE_URL
              valueFrom:
                secretKeyRef:
                  name: zhinian-web-db
                  key: DATABASE_URL
            - name: ZHINIAN_INTERNAL_WORKER_TOKEN
              valueFrom:
                secretKeyRef:
                  name: zhinian-worker-auth
                  key: ZHINIAN_INTERNAL_WORKER_TOKEN
            - name: ZHINIAN_AUTH_SESSION_SECRET
              valueFrom:
                secretKeyRef:
                  name: zhinian-web-auth
                  key: ZHINIAN_AUTH_SESSION_SECRET
          volumeMounts:
            - name: rds-ca
              mountPath: /etc/zhinian/rds
              readOnly: true
          startupProbe:
            httpGet:
              path: /api/health
              port: http
            periodSeconds: 5
            failureThreshold: 24
          readinessProbe:
            httpGet:
              path: /api/ready
              port: http
            periodSeconds: 10
            timeoutSeconds: 5
            failureThreshold: 3
          livenessProbe:
            httpGet:
              path: /api/health
              port: http
            periodSeconds: 20
            timeoutSeconds: 3
            failureThreshold: 3
          resources:
            requests:
              cpu: 250m
              memory: 512Mi
            limits:
              cpu: "1"
              memory: 1Gi
          securityContext:
            allowPrivilegeEscalation: false
            capabilities:
              drop: ["ALL"]
            # The current image runs as root. Add a fixed non-root image user and
            # verify /app/.runtime permissions before enabling runAsNonRoot.
      volumes:
        - name: rds-ca
          secret:
            secretName: zhinian-rds-ca