{{- if .Values.backend.enabled }}
apiVersion: apps/v1
kind: Deployment
metadata:
  name: {{ include "cloudhost-platform.backend.fullname" . }}
  namespace: {{ include "cloudhost-platform.namespace" . }}
  labels:
    app: {{ include "cloudhost-platform.backend.fullname" . }}
    {{- include "cloudhost-platform.labels" . | nindent 4 }}
spec:
  replicas: {{ .Values.backend.replicas }}
  # Zero-downtime rollouts: DB migrations run in a pre-upgrade hook Job, so the
  # new pod only starts against a ready schema. The uploads PVC is RWO but
  # local-path volumes pin pods to the same node, so surge pods can attach.
  strategy:
    type: RollingUpdate
    rollingUpdate:
      maxSurge: 1
      maxUnavailable: 0
  selector:
    matchLabels:
      app: {{ include "cloudhost-platform.backend.fullname" . }}
  template:
    metadata:
      labels:
        app: {{ include "cloudhost-platform.backend.fullname" . }}
    spec:
      {{- with .Values.backend.imagePullSecrets }}
      imagePullSecrets:
        {{- toYaml . | nindent 8 }}
      {{- end }}
      initContainers:
        {{- if .Values.postgres.enabled }}
        - name: wait-postgres
          image: {{ .Values.images.busybox | quote }}
          command:
            - sh
            - -c
            - |
              until nc -z {{ include "cloudhost-platform.postgres.fullname" . }} 5432; do
                echo "waiting for postgres..."
                sleep 2
              done
        {{- end }}
        {{- if .Values.redis.enabled }}
        - name: wait-redis
          image: {{ .Values.images.busybox | quote }}
          command:
            - sh
            - -c
            - |
              until nc -z {{ include "cloudhost-platform.redis.fullname" . }} 6379; do
                echo "waiting for redis..."
                sleep 2
              done
        {{- end }}
      containers:
        - name: backend
          image: {{ include "cloudhost-platform.backendImage" . | quote }}
          imagePullPolicy: {{ .Values.images.backend.pullPolicy }}
          ports:
            - containerPort: 4000
          env:
            - name: DB_HOST
              value: {{ include "cloudhost-platform.postgres.fullname" . }}
            - name: DB_PORT
              value: "5432"
            - name: DB_USERNAME
              value: {{ .Values.postgres.username | quote }}
            - name: DB_PASSWORD
              valueFrom:
                secretKeyRef:
                  name: {{ include "cloudhost-platform.secretName" . }}
                  key: postgres-password
            - name: DB_DATABASE
              value: {{ .Values.postgres.database | quote }}
            - name: REDIS_HOST
              value: {{ include "cloudhost-platform.redis.fullname" . }}
            - name: REDIS_PORT
              value: "6379"
            - name: REDIS_PASSWORD
              valueFrom:
                secretKeyRef:
                  name: {{ include "cloudhost-platform.secretName" . }}
                  key: redis-password
            - name: JWT_SECRET
              valueFrom:
                secretKeyRef:
                  name: {{ include "cloudhost-platform.secretName" . }}
                  key: jwt-secret
            - name: JWT_REFRESH_SECRET
              valueFrom:
                secretKeyRef:
                  name: {{ include "cloudhost-platform.secretName" . }}
                  key: jwt-refresh-secret
            - name: CLUSTER_KUBECONFIG_KEY
              valueFrom:
                secretKeyRef:
                  name: {{ include "cloudhost-platform.secretName" . }}
                  key: cluster-kubeconfig-key
            - name: FRONTEND_URL
              value: {{ include "cloudhost-platform.corsOrigins" . | quote }}
            {{- include "cloudhost-platform.buildEnv" . | nindent 12 }}
            {{- range $key, $val := .Values.backend.env }}
            - name: {{ $key }}
              value: {{ $val | quote }}
            {{- end }}
            {{- range $key, $val := .Values.backend.extraEnv }}
            - name: {{ $key }}
              value: {{ $val | quote }}
            {{- end }}
          {{- if .Values.backend.sourceStorage.enabled }}
          envFrom:
            - secretRef:
                name: {{ .Values.backend.sourceStorage.existingSecret }}
          {{- end }}
          volumeMounts:
            - name: uploads
              mountPath: /app/uploads
          livenessProbe:
            httpGet:
              path: /api/v1/health
              port: 4000
            initialDelaySeconds: 60
            periodSeconds: 15
            timeoutSeconds: 5
          readinessProbe:
            httpGet:
              path: /api/v1/ready
              port: 4000
            initialDelaySeconds: 20
            periodSeconds: 10
            timeoutSeconds: 5
          {{- with .Values.backend.resources }}
          resources:
            {{- toYaml . | nindent 12 }}
          {{- end }}
      volumes:
        - name: uploads
          persistentVolumeClaim:
            claimName: {{ include "cloudhost-platform.backend.fullname" . }}-uploads
{{- end }}