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+++ b/README.md
@@ -2,15 +2,84 @@
 
 Rewrite of hommabot (Python3) in TS.
 
-# Running
+1. Reads Google Sheets for recurring tasks
+2. Determines which tasks fall in the current week
+3. Broadcasts a Telegram message to all active chats
+4. Updates the "last done" column for tasks that became due
 
-1. Set up DB. The `sql` directory is mounted inside the `db` container as `/sql`.
+## Persistence
 
+- Embedded SQLite (STRICT tables) auto-initialized on first run
+- Single connection (read + write)
+
+## Setup
+
+1. Install dependencies (includes better-sqlite3):
+
+```sh
+npm install
+```
+
+2. Create/update your `.env` (minimum required):
+
+```sh
+TELEGRAM_BOT_TOKEN=...
+SHEETS_SPREADSHEET_ID=...
+SHEETS_RANGE=...
+G_SA_JSON_B64=...          # Base64-encoded Google Service Account JSON
+# Optional:
+# SQLITE_PATH=./data/hommabot.db
 ```
-docker-compose up -d db  
-docker-compose exec db psql postgresql://postgres:postgres@localhost/postgres -f /sql/001-init.sql
+
+3. (Optional) Seed permitted Telegram user IDs (only these can /start to register chats):
+
+```sh
+sqlite3 data/hommabot.db "INSERT OR IGNORE INTO permitted_users (id) VALUES (123456789);"
 ```
 
-2. Set up `.env`
-3. `npm run dev`
+Repeat with additional IDs as needed.
+
+4. (Optional) Pre-register an active chat manually (normally added via /start):
+
+```sh
+sqlite3 data/hommabot.db "INSERT OR IGNORE INTO active_chats (id) VALUES (-1001234567890);"
+```
+
+## Running
+
+Direct TypeScript execution:
+
+```sh
+npm start
+```
 
+## Building
+
+```sh
+npm run build
+```
+
+## Automating (cron example)
+
+Run every Monday at 08:00:
+
+```
+0 8 * * 1 /usr/bin/node /path/to/hommabot2/build/index.js >> /path/to/hommabot2/hommabot.log 2>&1
+```
+
+## Inspecting the database
+
+```sh
+sqlite3 data/hommabot.db ".tables"
+sqlite3 data/hommabot.db "SELECT * FROM active_chats;"
+sqlite3 data/hommabot.db "SELECT * FROM permitted_users;"
+```
+
+## Notes
+
+- To add new permitted users at any time, insert into `permitted_users`.
+- To clear active chats:
+
+```sh
+sqlite3 data/hommabot.db "DELETE FROM active_chats;"
+```