apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: {{ include "thermo.fullname" . }}-postgres
  labels:
    {{- include "thermo.labels" . | nindent 4 }}
spec:
  serviceName: {{ include "thermo.fullname" . }}-postgres
  replicas: 1
  selector:
    matchLabels:
      {{- include "thermo.postgresSelectorLabels" . | nindent 6 }}
  template:
    metadata:
      labels:
        {{- include "thermo.postgresSelectorLabels" . | nindent 8 }}
    spec:
      securityContext:
        fsGroup: 70
        fsGroupChangePolicy: OnRootMismatch
      containers:
        - name: postgres
          image: "{{ .Values.postgres.image.repository }}:{{ .Values.postgres.image.tag }}"
          imagePullPolicy: {{ .Values.postgres.image.pullPolicy }}
          ports:
            - name: postgres
              containerPort: 5432
          envFrom:
            - secretRef:
                name: {{ include "thermo.fullname" . }}-postgres-secret
          volumeMounts:
            - name: data
              mountPath: /var/lib/postgresql/data
            - name: init
              mountPath: /docker-entrypoint-initdb.d
              readOnly: true
          readinessProbe:
            exec:
              command: ["sh", "-ec", "pg_isready -d \"$POSTGRES_DB\" -U \"$POSTGRES_USER\""]
            initialDelaySeconds: 5
            periodSeconds: 5
          livenessProbe:
            exec:
              command: ["sh", "-ec", "pg_isready -d \"$POSTGRES_DB\" -U \"$POSTGRES_USER\""]
            initialDelaySeconds: 20
            periodSeconds: 10
          resources:
            {{- toYaml .Values.postgres.resources | nindent 12 }}
      volumes:
        - name: init
          configMap:
            name: {{ include "thermo.fullname" . }}-postgres-init
            defaultMode: 0555
  volumeClaimTemplates:
    - metadata:
        name: data
      spec:
        storageClassName: {{ .Values.postgres.storage.className }}
        accessModes:
          - ReadWriteOnce
        resources:
          requests:
            storage: {{ .Values.postgres.storage.size }}