homelab/paperless/k8s/database-init-job.yaml

apiVersion: batch/v1
kind: Job
metadata:
  name: paperless-database-init
  namespace: database
spec:
  backoffLimit: 5
  template:
    metadata:
      labels:
        app.kubernetes.io/name: paperless-database-init
    spec:
      restartPolicy: OnFailure
      containers:
        - name: create-database
          image: postgres:17.11-alpine
          command:
            - /bin/sh
            - -ec
            - |
              PGPASSWORD="$POSTGRES_ADMIN_PASSWORD" psql \
                --host postgres \
                --username postgres \
                --dbname postgres \
                --set ON_ERROR_STOP=1 \
                --set paperless_password="$PAPERLESS_DB_PASSWORD" <<'SQL'
              SELECT format(
                'CREATE ROLE paperless LOGIN PASSWORD %L',
                :'paperless_password'
              )
              WHERE NOT EXISTS (
                SELECT FROM pg_roles WHERE rolname = 'paperless'
              )
              \gexec
              SELECT format('CREATE DATABASE paperless OWNER paperless')
              WHERE NOT EXISTS (
                SELECT FROM pg_database WHERE datname = 'paperless'
              )
              \gexec
              SQL
          env:
            - name: POSTGRES_ADMIN_PASSWORD
              valueFrom:
                secretKeyRef:
                  name: postgres-shared-secrets
                  key: POSTGRES_ADMIN_PASSWORD
            - name: PAPERLESS_DB_PASSWORD
              valueFrom:
                secretKeyRef:
                  name: postgres-shared-secrets
                  key: PAPERLESS_DB_PASSWORD
          resources:
            requests:
              cpu: 10m
              memory: 32Mi
            limits:
              cpu: 100m
              memory: 128Mi