more work with Dockerfile and dbmate

db/migrations/20260204180834_seed_tenant_piaf.sql

@@ -0,0 +1,13 @@
+-- migrate:up
+-- Crear tenant Piaf (sin credenciales sensibles - esas van por variable de entorno)
+
+INSERT INTO tenants (id, key, name)
+VALUES (
+  'eb71b9a7-9ccf-430e-9b25-951a0c589c0f'::uuid,
+  'piaf',
+  'Piaf'
+)
+ON CONFLICT (id) DO NOTHING;
+
+-- migrate:down
+DELETE FROM tenants WHERE id = 'eb71b9a7-9ccf-430e-9b25-951a0c589c0f'::uuid;