diff --git a/docs/06-migration/03-postgres-major-version-upgrade.md b/docs/06-migration/03-postgres-major-version-upgrade.md index d6339f93..b20b94bb 100644 --- a/docs/06-migration/03-postgres-major-version-upgrade.md +++ b/docs/06-migration/03-postgres-major-version-upgrade.md @@ -6,29 +6,34 @@ Upgrading PostgreSQL from version 13 to 15 is a major version jump. Since Postgr 1. **Backup Existing Data (Version 13):** Before updating your compose file, ensure your containers are running and perform a dump of all databases. + ```bash docker exec -it -db-1 pg_dumpall -U postgres > full_dump.sql ``` 2. **Stop and Remove Containers:** + ```bash docker compose down ``` 3. **Delete Old Data Volume:** PostgreSQL 15 cannot read data created by version 13. You must remove the existing volume (Warning: this deletes the old data directory). + ```bash docker volume rm _db-data ``` 4. **Update Image and Start (Version 15):** Update your `overrides/compose.postgres.yaml` (or pull the latest changes) and start the containers. + ```bash docker compose up -d ``` 5. **Restore Data:** Restore the dump into the new PostgreSQL 15 instance. + ```bash cat full_dump.sql | docker exec -i -db-1 psql -U postgres ```