apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: ${APP_NAME}-couchdb
  labels:
    app: ${APP_NAME}
    component: database
spec:
  serviceName: ${APP_NAME}-couchdb-service
  replicas: 1
  selector:
    matchLabels:
      app: ${APP_NAME}
      component: database
  template:
    metadata:
      labels:
        app: ${APP_NAME}
        component: database
    spec:
      containers:
        - name: couchdb
          image: couchdb:3.3.2
          ports:
            - containerPort: 5984
          env:
            - name: COUCHDB_USER
              valueFrom:
                secretKeyRef:
                  name: couchdb-secret
                  key: username
            - name: COUCHDB_PASSWORD
              valueFrom:
                secretKeyRef:
                  name: couchdb-secret
                  key: password
          resources:
            requests:
              memory: '64Mi'
              cpu: '30m'
            limits:
              memory: '128Mi'
              cpu: '60m'
          volumeMounts:
            - name: couchdb-data
              mountPath: /opt/couchdb/data
          livenessProbe:
            httpGet:
              path: /_up
              port: 5984
            initialDelaySeconds: 60
            periodSeconds: 30
          readinessProbe:
            httpGet:
              path: /_up
              port: 5984
            initialDelaySeconds: 10
            periodSeconds: 5
  volumeClaimTemplates:
    - metadata:
        name: couchdb-data
        labels:
          app: ${APP_NAME}
          component: database
      spec:
        accessModes: ['ReadWriteOnce']
        storageClassName: ${STORAGE_CLASS}
        resources:
          requests:
            storage: ${STORAGE_SIZE}