apiVersion: apps/v1
kind: Deployment
metadata:
  name: fastapi-app-deployment
spec:
  replicas: 3
  selector:
    matchLabels:
      app: fastapi-app
  template:
    metadata:
      labels:
        app: fastapi-app
    spec:
      containers:
        - name: fastapi-app-container
          image: igit.danilkolesnikov.ru/danil/playground_app
          ports:
            - name: web
              containerPort: 8000
          readinessProbe:
            exec:
              command: ["alembic", "check"]
            timeoutSeconds: 5
            periodSeconds: 5
          env:
            - name: DATABASE_URL
              valueFrom:
                secretKeyRef:
                  name: db-secrets
                  key: url
---
apiVersion: batch/v1
kind: Job
metadata:
  name: fastapi-app-db-migration
spec:
  template:
    spec:
      containers:
        - name: fastapi-app-db-migration
          image: igit.danilkolesnikov.ru/danil/playground_app
          command: ["alembic", "upgrade", "head"]
          env:
            - name: DATABASE_URL
              valueFrom:
                secretKeyRef:
                  name: db-secrets
                  key: url
      restartPolicy: OnFailure
  backoffLimit: 5
  ttlSecondsAfterFinished: 1
---
apiVersion: v1
kind: Service
metadata:
  name: fastapi-app-service
spec:
  selector:
    app: fastapi-app
  ports:
    - protocol: TCP
      port: 8000
      targetPort: 8000
---
apiVersion: monitoring.coreos.com/v1
kind: PodMonitor
metadata:
  name: fastapi-app-pod-monitor
spec:
  selector:
    matchLabels:
      app: fastapi-app
  podMetricsEndpoints:
    - port: web