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/version: {{ .Chart.AppVersion | quote }}
    app.kubernetes.io/component: mcp
    app.kubernetes.io/part-of: postgres
  annotations:
    version-source: {{ index .Chart.Annotations "version-source" }}
    version-pattern: {{ index .Chart.Annotations "version-pattern" | quote }}
spec:
  replicas: 1
  strategy:
    # Not RollingUpdate: two pods would both hold live connections against
    # the same shared mcp_agent role/config at once, doubling connection
    # count and audit-log writers for no benefit -- this server has no
    # per-replica state to preserve, so a brief gap during redeploy is fine.
    type: Recreate
  selector:
    matchLabels:
      app: {{ .Release.Name }}
  template:
    metadata:
      labels:
        app: {{ .Release.Name }}
    spec:
      {{- with .Values.nodeSelector }}
      nodeSelector:
        {{- toYaml . | nindent 8 }}
      {{- end }}
      {{- with .Values.tolerations }}
      tolerations:
        {{- toYaml . | nindent 8 }}
      {{- end }}
      containers:
        - name: {{ .Chart.Name }}
          image: "{{ .Values.image.repository }}:{{ .Values.image.tag | default .Chart.AppVersion }}"
          imagePullPolicy: {{ .Values.image.pullPolicy }}
          ports:
            - containerPort: {{ .Values.port }}
              name: http
              protocol: TCP
          env:
            {{- range $key, $value := .Values.env }}
            - name: {{ $key }}
              value: {{ $value | quote }}
            {{- end }}
            {{- if .Values.existingSecret }}
            - name: DB_CONFIG
              valueFrom:
                secretKeyRef:
                  name: {{ .Values.existingSecret }}
                  key: {{ .Values.secretConfigKey }}
            {{- end }}
            {{- if .Values.auditLog.enabled }}
            - name: DB_MCP_AUDIT_LOG
              value: {{ .Values.auditLog.path | quote }}
            {{- end }}
          {{- if .Values.auditLog.enabled }}
          volumeMounts:
            - name: audit-log
              mountPath: {{ .Values.auditLog.dir }}
          {{- end }}
          resources:
            {{- toYaml .Values.resources | nindent 12 }}
      {{- if .Values.auditLog.enabled }}
      volumes:
        - name: audit-log
          persistentVolumeClaim:
            claimName: {{ .Release.Name }}-audit-log
      {{- end }}