deployment.yaml
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apiVersion: apps/v1
kind: Deployment
metadata:
name: notification-service
namespace: ecommerce
labels:
app: notification-service
app.kubernetes.io/name: notification-service
app.kubernetes.io/part-of: ecommerce
spec:
replicas: 1
revisionHistoryLimit: 3
selector:
matchLabels:
app: notification-service
strategy:
type: RollingUpdate
rollingUpdate:
maxSurge: 1
maxUnavailable: 0
template:
metadata:
labels:
app: notification-service
app.kubernetes.io/name: notification-service
app.kubernetes.io/part-of: ecommerce
app.kubernetes.io/version: $(APP_VERSION)
version: $(APP_VERSION)
annotations:
prometheus.io/scrape: "true"
prometheus.io/port: "8080"
prometheus.io/path: "/actuator/prometheus"
spec:
# ========== 初始化容器：创建数据库 ==========
initContainers:
- name: init-database
image: postgres:15
command:
- /bin/sh
- -c
- |
echo "🔍 检查 PostgreSQL 服务状态..."
until PGPASSWORD=$POSTGRES_PASSWORD psql -h postgresql-service -U admin -d postgres -c "\q" > /dev/null 2>&1; do
echo "⏳ 等待 PostgreSQL 启动..."
sleep 5
done
echo "✅ PostgreSQL 服务就绪"
echo "🗄️ 检查数据库 ecommerce_notifications..."
# 检查数据库是否已存在
if PGPASSWORD=$POSTGRES_PASSWORD psql -h postgresql-service -U admin -d ecommerce_notifications -c "\q" > /dev/null 2>&1; then
echo "✅ 数据库 ecommerce_notifications 已存在"
else
echo "📦 创建数据库 ecommerce_notifications..."
PGPASSWORD=$POSTGRES_PASSWORD psql -h postgresql-service -U admin -d postgres -c "CREATE DATABASE ecommerce_notifications;"
echo "🎉 数据库 ecommerce_notifications 创建成功"
fi
env:
- name: POSTGRES_PASSWORD
valueFrom:
secretKeyRef:
name: postgresql-secret
key: password
- name: PGPASSWORD
valueFrom:
secretKeyRef:
name: postgresql-secret
key: password
resources:
requests:
memory: "64Mi"
cpu: "50m"
limits:
memory: "128Mi"
cpu: "100m"
# =========================================
affinity:
podAntiAffinity:
preferredDuringSchedulingIgnoredDuringExecution:
- weight: 100
podAffinityTerm:
labelSelector:
matchExpressions:
- key: app
operator: In
values:
- notification-service
topologyKey: kubernetes.io/hostname
containers:
- name: notification-service
image: 319998871902.dkr.ecr.us-east-1.amazonaws.com/ecommerce-notification-service:$(APP_VERSION)
imagePullPolicy: IfNotPresent
ports:
- containerPort: 8080
name: http
protocol: TCP
- containerPort: 8081
name: metrics
protocol: TCP
env:
# 版本信息 - 从 ConfigMap 动态获取
- name: APP_VERSION
valueFrom:
configMapKeyRef:
name: app-version-info
key: service.notification-service.version
- name: APPLICATION_VERSION
valueFrom:
configMapKeyRef:
name: app-version-info
key: application.version
- name: SERVICE_DESCRIPTION
valueFrom:
configMapKeyRef:
name: app-version-info
key: service.notification-service.description
# ========== 数据库连接配置 ==========
- name: SPRING_DATASOURCE_URL
value: "jdbc:postgresql://postgresql-service:5432/ecommerce_notifications"
- name: SPRING_DATASOURCE_USERNAME
valueFrom:
secretKeyRef:
name: postgresql-secret
key: username
- name: SPRING_DATASOURCE_PASSWORD
valueFrom:
secretKeyRef:
name: postgresql-secret
key: password
# ============================================
# 应用配置
- name: SPRING_PROFILES_ACTIVE
value: "production"
- name: SPRING_APPLICATION_NAME
value: "notification-service"
# 消息队列配置
- name: RABBITMQ_PASSWORD
valueFrom:
secretKeyRef:
name: rabbitmq-secret
key: password
- name: RABBITMQ_HOST
value: "rabbitmq"
- name: RABBITMQ_PORT
value: "5672"
- name: RABBITMQ_USERNAME
valueFrom:
secretKeyRef:
name: rabbitmq-secret
key: username
# 通知模板配置 - 禁用所有通知功能
- name: NOTIFICATION_EMAIL_ENABLED
value: "false"
- name: NOTIFICATION_SMS_ENABLED
value: "false"
- name: NOTIFICATION_PUSH_ENABLED
value: "false"
# 可选：构建信息
- name: BUILD_VERSION
value: "$(BUILD_VERSION)"
- name: GIT_COMMIT
value: "$(GIT_COMMIT)"
resources:
requests:
memory: "256Mi"
cpu: "200m"
limits:
memory: "512Mi"
cpu: "400m"
livenessProbe:
httpGet:
path: /actuator/health
port: 8080
scheme: HTTP
initialDelaySeconds: 60
periodSeconds: 30
timeoutSeconds: 10
failureThreshold: 3
readinessProbe:
httpGet:
path: /actuator/health
port: 8080
scheme: HTTP
initialDelaySeconds: 30
periodSeconds: 15
timeoutSeconds: 5
failureThreshold: 3
startupProbe:
httpGet:
path: /actuator/health
port: 8080
scheme: HTTP
initialDelaySeconds: 30
periodSeconds: 15
failureThreshold: 30
securityContext:
runAsNonRoot: true
runAsUser: 1000
allowPrivilegeEscalation: false
securityContext:
runAsNonRoot: true
runAsUser: 1000
fsGroup: 1000
imagePullSecrets:
- name: regcred