diff --git a/.env.example b/.env.example
index 6ccf086..cb05fd4 100644
--- a/.env.example
+++ b/.env.example
@@ -1,9 +1,9 @@
 # Telegram Bot Token (from @BotFather)
 TELEGRAM_BOT_TOKEN=your-bot-token-here
 
-# Supabase PostgreSQL Connection (pooled via supavisor on port 6543)
-POSTGRES_HOST=192.168.178.3
-POSTGRES_PORT=6543
+# Direct Supabase Postgres connection (join supabase_default network, connect to db:5432)
+POSTGRES_HOST=db
+POSTGRES_PORT=5432
 POSTGRES_USER=postgres
 POSTGRES_PASSWORD=your-supabase-db-password
 POSTGRES_DB=postgres
diff --git a/docker-compose.yml b/docker-compose.yml
index dafdb2d..fd06548 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -2,11 +2,11 @@ services:
   worker:
     build: ./worker
     restart: unless-stopped
-    environment:
-      TELEGRAM_BOT_TOKEN: ${TELEGRAM_BOT_TOKEN}
-      POSTGRES_HOST: ${POSTGRES_HOST:-192.168.178.3}
-      POSTGRES_PORT: "6543"
-      POSTGRES_USER: ${POSTGRES_USER:-postgres}
-      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD}
-      POSTGRES_DB: ${POSTGRES_DB:-postgres}
-      DEFAULT_INTERVAL_MINUTES: ${DEFAULT_INTERVAL_MINUTES:-60}
+    env_file:
+      - .env
+    networks:
+      - supabase_default
+
+networks:
+  supabase_default:
+    external: true