diff --git a/README.md b/README.md
index 7d2b084..f2b5790 100644
--- a/README.md
+++ b/README.md
@@ -14,15 +14,16 @@ You can put these in `.env` file or pass them as environment variables.
 - `TG_BOT_TOKEN` - Telegram bot token. Get yours from [@BotFather](https://t.me/BotFather).
   Required.
 - `TG_ADMIN_USERNAMES` - Comma separated list of usernames of users that can use admin commands.
+- `DENO_KV_PATH` - [Deno KV](https://deno.land/api?s=Deno.openKv&unstable) database file path. A
+  temporary file is used by default.
 - `LOG_LEVEL` - [Log level](https://deno.land/std@0.201.0/log/mod.ts?s=LogLevels). Default: `INFO`.
 
+You can configure more stuff in [Eris WebUI](http://localhost:5999/) when running.
+
 ## Running
 
-- Start stable diffusion webui: `cd sd-webui`, `./webui.sh --api`
-- Start bot: `deno task start`
-
-To connect your SD to the bot, open the [Eris UI](http://localhost:5999/), login as admin and add a
-worker.
+- Start Stable Diffusion WebUI: `./webui.sh --api` (in SD WebUI directory)
+- Start Eris: `deno task start`
 
 ## Codegen
 
diff --git a/app/db.ts b/app/db.ts
index 194fd79..bea2e14 100644
--- a/app/db.ts
+++ b/app/db.ts
@@ -1,4 +1,4 @@
 import { KvFs } from "kvfs";
 
-export const db = await Deno.openKv("./app.db");
+export const db = await Deno.openKv(Deno.env.get("DENO_KV_PATH"));
 export const fs = new KvFs(db);