scripts/deploy/kubernetes/deployment.yaml

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apiVersion: apps/v1
kind: Deployment
metadata:
  name: paimon-web-deployment # Deployment name for Paimon Web UI
  labels:
    app: paimon-web # Label to categorize the Deployment

spec:
  replicas: 1 # Number of desired replicas
  selector: # Selector to match Pods controlled by this Deployment
    matchLabels:
      app: paimon-web

  strategy:
    type: RollingUpdate # Strategy for updating Pods
    rollingUpdate:
      maxSurge: 25% # Maximum surge of new Pods during update
      maxUnavailable: 0 # Ensure no Pods are unavailable during update

  template: # Pod template specification
    metadata:
      labels:
        app: paimon-web # Pod labels to match Deployment selector

    spec:
      serviceAccountName: default # Use the default service account
      containers:
        - name: paimon-web-container # Name of the container
          ports:
            - containerPort: 10088 # Exposed port within the container
              name: "port"

          image: apache/paimon-webui:latest # Docker image to use
          imagePullPolicy: IfNotPresent # Always pull the latest image

          env: # Environment variables for container configuration
          - name: MYSQL_HOST # MySQL host address
            value: xxxxx
          - name: MYSQL_USERNAME # MySQL username
            value: xxxxx
          - name: MYSQL_PASSWORD # MySQL password
            value: xxxxx
          - name: ACTION_JAR_PATH # Path to action JAR file
            value: xxxxx
          - name: FLINK_HOME # Home directory for Flink
            value: xxxxx
          - name: JAVA_HOME
            value: java
          livenessProbe: # Liveness probe to check container health
            exec: # Command execution for probe
              command: ["curl", "-s", "http://localhost:10088/actuator/health/liveness"]
            initialDelaySeconds: 30 # Initial delay before probe starts
            periodSeconds: 30 # How often to perform the probe
            timeoutSeconds: 5 # Probe timeout
            successThreshold: 1 # Minimum consecutive successes for healthy status
            failureThreshold: 1 # Minimum consecutive failures for unhealthy status

          readinessProbe: # Readiness probe to verify if Pod is ready to serve traffic
            exec:
              command: ["curl", "-s", "http://localhost:10088/actuator/health/readiness"]
            initialDelaySeconds: 30
            periodSeconds: 30
            timeoutSeconds: 5
            successThreshold: 1
            failureThreshold: 1

          volumeMounts: # Volume mounts for the container
            - mountPath: /opt/paimon/config # Path where the volume is mounted inside the container
              name: config-volume # Named volume
      volumes:
        - name: config-volume
          configMap:
            name: paimon-web-configmap