YAML Validator

apiVersion: apps/v1
kind: Deployment
metadata:
  name: web-app
  labels:
    app: web-app
    environment: production
spec:
  replicas: 3
  selector:
    matchLabels:
      app: web-app
  template:
    metadata:
      labels:
        app: web-app
    spec:
      containers:
        - name: web
          image: node:20-alpine
          ports:
            - containerPort: 3000
          env:
            - name: NODE_ENV
              value: production
            - name: DATABASE_URL
              valueFrom:
                secretKeyRef:
                  name: db-secret
                  key: url
          resources:
            requests:
              memory: 128Mi
              cpu: 250m
            limits:
              memory: 512Mi
              cpu: 500m