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# Frontend Service Rollout (Progressive Delivery)
# Replaces frontend-deployment.yaml with canary strategy
apiVersion: argoproj.io/v1alpha1
kind: Rollout
metadata:
name: tracing-demo-frontend
namespace: services
labels:
app: tracing-demo-frontend
component: frontend
spec:
replicas: 3 # Increase to 3 for visible canary (1 old + 1 new + 1 old)
strategy:
canary:
# Canary strategy with auto-promotion after 1 minute
steps:
# Step 1: 1 pod (33% traffic) to new version
- setWeight: 33
# Step 2: Wait 1 minute then auto-promote
- pause:
duration: 1m # Auto-promote after 1 minute
# Step 3: 100% traffic to new version
- setWeight: 100
# Rollout revision history
revisionHistoryLimit: 3
# Pod template specification (same as Deployment)
selector:
matchLabels:
app: tracing-demo-frontend
template:
metadata:
labels:
app: tracing-demo-frontend
component: frontend
spec:
containers:
- name: frontend
image: registry.lan.buetow.org:30001/tracing-demo-frontend:latest
imagePullPolicy: IfNotPresent
ports:
- containerPort: 5000
name: http
protocol: TCP
env:
- name: MIDDLEWARE_URL
value: "http://middleware-service.services.svc.cluster.local:5001"
- name: OTEL_EXPORTER_OTLP_ENDPOINT
value: "http://alloy.monitoring.svc.cluster.local:4317"
resources:
limits:
cpu: 200m
memory: 256Mi
requests:
cpu: 100m
memory: 128Mi
livenessProbe:
httpGet:
path: /health
port: 5000
initialDelaySeconds: 10
periodSeconds: 10
readinessProbe:
httpGet:
path: /health
port: 5000
initialDelaySeconds: 5
periodSeconds: 5
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