apiVersion: apps/v1
kind: Deployment
metadata:
  name: severed-blog
  namespace: severed-apps
spec:
  replicas: 2
  selector:
    matchLabels:
      app: severed-blog
  template:
    metadata:
      labels:
        app: severed-blog
    spec:
      containers:
        - name: web
          image: severed-blog:v0.3
          imagePullPolicy: Never
          ports:
            - containerPort: 80
          resources:
            requests:
              cpu: "50m"
              memory: "64Mi"
            limits:
              cpu: "200m"
              memory: "128Mi"
          volumeMounts:
            - name: nginx-config-vol
              mountPath: /etc/nginx/conf.d/default.conf
              subPath: default.conf

        # --- ADD THE EXPORTER SIDECAR HERE ---
        - name: exporter
          image: nginx/nginx-prometheus-exporter:latest
          args:
            - -nginx.scrape-uri=http://localhost:80/metrics
          ports:
            - containerPort: 9113
              name: metrics
          resources:
            requests:
              cpu: "10m"
              memory: "32Mi"
            limits:
              cpu: "50m"
              memory: "64Mi"
        # -------------------------------------

      volumes:
        - name: nginx-config-vol
          configMap:
            name: severed-blog-config