doc/shares: describe writableStoreOverlay amnesia

Pertains to Github issue #134
astro · Sep 8, 2023 · 25460d9 · 25460d9
1 parent 8d2a99b
commit 25460d9
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/doc/src/shares.md b/doc/src/shares.md
@@ -48,3 +48,8 @@ don't work currently, so resort to using a volume for that:
   } ];
 }
 ```
+
+**Caveat:** The Nix database will forget all built packages after a
+reboot, containing only what is needed for the VM's NixOS
+system. Until this has been solved, it is recommended to just delete
+and recreate the overlay after MicroVM shutdown or before startup.