diff --git a/Dockerfile b/Dockerfile
index 80891d3..ce814a8 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,8 +1,12 @@
 FROM python:3.8-alpine
 
+RUN apk add --no-cache sqlite sqlite-dev
+
 WORKDIR /code
 COPY requirements.txt .
 RUN pip install -r requirements.txt
 COPY ./ .
 
+RUN sqlite3 /code/sessions.db "VACUUM;"
+
 ENTRYPOINT [ "python", "/code/bot.py" ]