{{- if .Values.migrationJob.enabled }}
apiVersion: batch/v1
kind: Job
metadata:
  name: {{ include "backend.fullname" . }}-migrate-{{ .Release.Revision }}
  labels:
    {{- include "backend.labels" . | nindent 4 }}
  annotations:
    "helm.sh/hook": pre-install,pre-upgrade
    "helm.sh/hook-weight": "-5"
    "helm.sh/hook-delete-policy": before-hook-creation,hook-succeeded
spec:
  backoffLimit: {{ .Values.migrationJob.backoffLimit }}
  template:
    metadata:
      labels:
        app.kubernetes.io/name: {{ include "backend.name" . }}-migrate
        app.kubernetes.io/instance: {{ .Release.Name }}
        app.kubernetes.io/component: migrate
    spec:
      restartPolicy: Never
      {{- with .Values.imagePullSecrets }}
      imagePullSecrets:
        {{- toYaml . | nindent 8 }}
      {{- end }}
      # Migrations are baked into the backend image (see backend/Dockerfile)
      # so they always match the version being deployed; this initContainer
      # just hands them to the golang-migrate image below via a shared
      # emptyDir, since that image has the `migrate` binary but not our SQL.
      initContainers:
        - name: copy-migrations
          image: "{{ .Values.image.repository }}:{{ .Values.image.tag | default .Chart.AppVersion }}"
          command: ["sh", "-c", "cp -r /app/migrations/. /migrations/"]
          volumeMounts:
            - name: migrations
              mountPath: /migrations
      containers:
        - name: migrate
          image: "{{ .Values.migrationJob.image.repository }}:{{ .Values.migrationJob.image.tag }}"
          imagePullPolicy: {{ .Values.migrationJob.image.pullPolicy }}
          args:
            - "-path=/migrations"
            - "-database=$(DATABASE_URL)"
            - "up"
          env:
            - name: DATABASE_URL
              valueFrom:
                secretKeyRef:
                  name: {{ include "backend.secretName" . }}
                  key: DATABASE_URL
          volumeMounts:
            - name: migrations
              mountPath: /migrations
              readOnly: true
      volumes:
        - name: migrations
          emptyDir: {}
{{- end }}