fix(docker): update volume path for PostgreSQL 18 compatibility #433
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PostgreSQL 18+ requires mounting at /var/lib/postgresql instead of /var/lib/postgresql/data to support pg_upgrade --link. See: docker-library/postgres#1259 BREAKING CHANGE: Existing PostgreSQL 16 volumes must be backed up and recreated when upgrading. Run: docker compose exec db sh -c 'pg_dump -U $POSTGRES_USER $POSTGRES_DB' > backup.sql docker compose down docker volume rm <volume_name> docker compose up -d docker compose exec -T db sh -c 'psql -U $POSTGRES_USER $POSTGRES_DB' < backup.sql
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PostgreSQL 18+ requires mounting at /var/lib/postgresql instead of /var/lib/postgresql/data to support pg_upgrade --link.
See: docker-library/postgres#1259
BREAKING CHANGE: Existing PostgreSQL 16 volumes must be backed up and recreated when upgrading. Run:
docker compose exec db sh -c 'pg_dump -U $POSTGRES_USER $POSTGRES_DB' > backup.sql
docker compose down
docker volume rm <volume_name>
docker compose up -d
docker compose exec -T db sh -c 'psql -U $POSTGRES_USER $POSTGRES_DB' < backup.sql