apiVersion: apps/v1
kind: Deployment
metadata:
  name: backend
  namespace: trekr
spec:
  replicas: 1
  selector:
    matchLabels:
      app: backend
  template:
    metadata:
      labels:
        app: backend
    spec:
      initContainers:
        - name: wait-for-postgres
          image: postgres:16-alpine
          command: [sh, -c, until pg_isready -h postgres -p 5432 -U trekr; do sleep 2; done]
      containers:
        - name: backend
          image: trekr-backend:latest  # overwritten by pipeline via kubectl set image
          env:
            - name: SPRING_DATASOURCE_URL
              value: jdbc:postgresql://postgres:5432/trekr
            - name: SPRING_DATASOURCE_USERNAME
              value: trekr
            - name: SPRING_DATASOURCE_PASSWORD
              valueFrom:
                secretKeyRef:
                  name: trekr-secrets
                  key: db-password
            - name: SPRING_JPA_HIBERNATE_DDL_AUTO
              value: none
            - name: JWT_SECRET
              valueFrom:
                secretKeyRef:
                  name: trekr-secrets
                  key: jwt-secret
          ports:
            - containerPort: 8080
          readinessProbe:
            httpGet:
              path: /api/auth/ping
              port: 8080
            initialDelaySeconds: 20
            periodSeconds: 10
            failureThreshold: 6
          livenessProbe:
            httpGet:
              path: /api/auth/ping
              port: 8080
            initialDelaySeconds: 60
            periodSeconds: 15
---
apiVersion: v1
kind: Service
metadata:
  name: backend
  namespace: trekr
spec:
  selector:
    app: backend
  ports:
    - port: 8080
      targetPort: 8080