deployment.yaml
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apiVersion: apps/v1
kind: Deployment
metadata:
name: frontend
namespace: ecommerce
labels:
app: frontend
app.kubernetes.io/name: frontend
app.kubernetes.io/part-of: ecommerce
spec:
replicas: 1
revisionHistoryLimit: 3
selector:
matchLabels:
app: frontend
strategy:
type: RollingUpdate
rollingUpdate:
maxSurge: 1
maxUnavailable: 0
template:
metadata:
labels:
app: frontend
app.kubernetes.io/name: frontend
app.kubernetes.io/part-of: ecommerce
app.kubernetes.io/version: $(APP_VERSION) # 动态版本标签
version: $(APP_VERSION) # 动态版本标签
annotations:
prometheus.io/scrape: "true"
prometheus.io/port: "80"
prometheus.io/path: "/metrics"
spec:
# Affinity rules for better distribution
affinity:
podAntiAffinity:
preferredDuringSchedulingIgnoredDuringExecution:
- weight: 100
podAffinityTerm:
labelSelector:
matchExpressions:
- key: app
operator: In
values:
- frontend
topologyKey: kubernetes.io/hostname
nodeAffinity:
preferredDuringSchedulingIgnoredDuringExecution:
- weight: 1
preference:
matchExpressions:
- key: node-type
operator: In
values:
- frontend
containers:
- name: frontend
image: 319998871902.dkr.ecr.us-east-1.amazonaws.com/ecommerce-frontend:$(APP_VERSION) # 动态镜像版本
imagePullPolicy: IfNotPresent
ports:
- containerPort: 80
name: http
protocol: TCP
env:
# 版本信息 - 从 ConfigMap 动态获取
- name: APP_VERSION
valueFrom:
configMapKeyRef:
name: app-version-info
key: service.frontend.version
- name: APPLICATION_VERSION
valueFrom:
configMapKeyRef:
name: app-version-info
key: application.version
- name: SERVICE_DESCRIPTION
valueFrom:
configMapKeyRef:
name: app-version-info
key: service.frontend.description
# 应用配置
- name: NODE_ENV
value: "production"
- name: PORT
value: "80"
# API 配置
- name: API_BASE_URL
value: "https://api.awsmpc.asia"
- name: API_GATEWAY_URL
value: "https://api.awsmpc.asia"
# 前端环境变量 - 从 ConfigMap 获取
- name: REACT_APP_API_URL
valueFrom:
configMapKeyRef:
name: frontend-config
key: API_URL
- name: REACT_APP_APP_NAME
valueFrom:
configMapKeyRef:
name: frontend-config
key: APP_NAME
- name: REACT_APP_VERSION
valueFrom:
configMapKeyRef:
name: app-version-info
key: service.frontend.version
- name: REACT_APP_BUILD_VERSION
value: "$(BUILD_VERSION)"
- name: REACT_APP_GIT_COMMIT
value: "$(GIT_COMMIT)"
# 功能开关
- name: REACT_APP_ENABLE_ANALYTICS
value: "true"
- name: REACT_APP_ENABLE_DEBUG
value: "false"
- name: REACT_APP_ENABLE_PWA
value: "true"
# 性能配置
- name: NGINX_WORKER_PROCESSES
value: "auto"
- name: NGINX_WORKER_CONNECTIONS
value: "1024"
- name: NGINX_KEEPALIVE_TIMEOUT
value: "65"
# 缓存配置
- name: CACHE_CONTROL_MAX_AGE
value: "31536000" # 1年
- name: BROWSER_CACHE_ENABLED
value: "true"
# Resource limits
resources:
requests:
memory: "128Mi"
cpu: "100m"
limits:
memory: "256Mi"
cpu: "200m"
# Volume mounts for configuration
volumeMounts:
- name: nginx-config
mountPath: /etc/nginx/conf.d/default.conf
subPath: nginx.conf
- name: environment-config
mountPath: /usr/share/nginx/html/env.js
subPath: environment.js
# Liveness probe - indicates if container is running
livenessProbe:
httpGet:
path: /health
port: 80
scheme: HTTP
initialDelaySeconds: 30
periodSeconds: 10
timeoutSeconds: 5
failureThreshold: 3
successThreshold: 1
# Readiness probe - indicates if container is ready to serve traffic
readinessProbe:
httpGet:
path: /health
port: 80
scheme: HTTP
initialDelaySeconds: 5
periodSeconds: 5
timeoutSeconds: 3
failureThreshold: 3
successThreshold: 1
# Startup probe - for slow starting containers
startupProbe:
httpGet:
path: /health
port: 80
scheme: HTTP
initialDelaySeconds: 10
periodSeconds: 10
failureThreshold: 30
successThreshold: 1
# Security context
securityContext:
runAsNonRoot: true
runAsUser: 101 # nginx user
allowPrivilegeEscalation: false
capabilities:
drop:
- ALL
# Volumes definition
volumes:
- name: nginx-config
configMap:
name: frontend-config
items:
- key: nginx.conf
path: nginx.conf
- name: environment-config
configMap:
name: frontend-config
items:
- key: environment.js
path: env.js
# Security context for the pod
securityContext:
runAsNonRoot: true
runAsUser: 101
fsGroup: 101
# Image pull secrets if using private registry
imagePullSecrets:
- name: regcred