apiVersion: apps/v1
kind: Deployment
metadata:
  name: {{ .Release.Name }}
  labels:
    app.kubernetes.io/name: {{ .Chart.Name }}
    app.kubernetes.io/instance: {{ .Release.Name }}
    app.kubernetes.io/component: backend
spec:
  replicas: {{ .Values.replicaCount }}
  strategy:
    type: RollingUpdate
    rollingUpdate:
      maxSurge: 1
      maxUnavailable: 0
  selector:
    matchLabels:
      app.kubernetes.io/name: {{ .Chart.Name }}
      app.kubernetes.io/instance: {{ .Release.Name }}
      app.kubernetes.io/component: backend
  template:
    metadata:
      labels:
        app.kubernetes.io/name: {{ .Chart.Name }}
        app.kubernetes.io/instance: {{ .Release.Name }}
        app.kubernetes.io/component: backend
    spec:
      {{- if .Values.dockerconfigjsonBase64 }}
      imagePullSecrets:
        - name: {{ .Release.Name }}-container-registry
      {{- end }}
      containers:
        - name: {{ .Chart.Name }}
          image: "{{ .Values.image.repository }}:{{ .Values.image.tag | default .Chart.AppVersion }}"
          imagePullPolicy: Always
          ports:
            - name: {{ .Values.service.portName }}
              containerPort: {{ .Values.service.portNumber }}
              protocol: TCP
          livenessProbe:
            httpGet:
              path: /
              port: {{ .Values.service.portName }}
          readinessProbe:
            httpGet:
              path: /
              port: {{ .Values.service.portName }}
          envFrom:
            - configMapRef:
                name: {{ .Release.Name }}-config
            - secretRef:
                name: {{ .Release.Name }}-database
            - secretRef:
                name: {{ .Release.Name }}-nextauth
          resources:
            {{- toYaml .Values.backend.resources | nindent 12 }}
      affinity:
        podAntiAffinity:
          preferredDuringSchedulingIgnoredDuringExecution:
          - weight: 100
            podAffinityTerm:
              labelSelector:
                matchExpressions:
                - key: app.kubernetes.io/instance
                  operator: In
                  values:
                  - {{ .Release.Name }}
              topologyKey: kubernetes.io/hostname