Files
workshop/aula-15/demo-app/k8s/deployment.yaml
ArgoCD Setup 9b3168b996 aula-15: implementação completa APM (Tempo + OTel + demo app)
Componentes:
- tempo-values.yaml: Grafana Tempo monolithic, 256Mi, 10Gi PVC
- otel-collector-values.yaml: recebe OTLP, exporta traces→Tempo,
  gera span metrics (RED)→Victoria Metrics via spanmetrics connector
- demo-app/: Node.js com rotas /fast (1 query), /slow (N+1, 51 queries),
  /fixed (JOIN), auto-instrumentado com OpenTelemetry
- alerts/latency-alerts.yaml: VMRule com Doherty threshold (p95>400ms)
- setup.sh: instala Tempo, OTel Collector, configura Grafana datasource,
  deploy demo app via ConfigMap (sem Docker build necessário)
- cleanup.sh: remove apenas recursos da aula-15, preserva aula-12

Zero hardcoded hostnames. Tudo via .env e placeholders.
2026-03-14 02:30:35 -03:00

65 lines
1.7 KiB
YAML

apiVersion: apps/v1
kind: Deployment
metadata:
name: demo-app
namespace: demo
labels:
app: demo-app
spec:
replicas: 1
selector:
matchLabels:
app: demo-app
template:
metadata:
labels:
app: demo-app
spec:
containers:
- name: demo-app
image: REGISTRY_PLACEHOLDER/IMAGE_NAME_PLACEHOLDER:latest
ports:
- containerPort: 3000
env:
- name: PG_HOST
value: demo-postgresql
- name: PG_PORT
value: "5432"
- name: PG_USER
value: demo
- name: PG_PASSWORD
valueFrom:
secretKeyRef:
name: demo-postgresql
key: POSTGRES_PASSWORD
- name: PG_DATABASE
value: demo
- name: OTEL_EXPORTER_OTLP_ENDPOINT
value: http://otel-collector-opentelemetry-collector.monitoring:4317
- name: OTEL_SERVICE_NAME
value: demo-app
- name: NODE_OPTIONS
value: "--require ./tracing.js"
resources:
requests:
memory: "64Mi"
cpu: "50m"
limits:
memory: "128Mi"
livenessProbe:
httpGet:
path: /health
port: 3000
initialDelaySeconds: 10
periodSeconds: 10
timeoutSeconds: 3
failureThreshold: 3
readinessProbe:
httpGet:
path: /health
port: 3000
initialDelaySeconds: 5
periodSeconds: 5
timeoutSeconds: 3
failureThreshold: 3