diff --git a/Dockerfile b/Dockerfile
index 6694d0e..2b074f3 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,8 +1,15 @@
-FROM python:3.9-slim-bullseye
+FROM python:3.9-slim-bullseye AS base
+FROM base AS builder
+
 RUN useradd mariotte
+RUN mkdir  /install
+WORKDIR /install
+COPY requirements.txt requirements.txt
+RUN pip install --prefix=/install -r requirements.txt
+
+FROM base
+COPY --from=builder /install /usr/local
 ENV APP=/home/mariotte/app
 WORKDIR $APP
-COPY requirements.txt requirements.txt
-RUN pip3 install -r requirements.txt
 COPY . .
 CMD ["python3", "main.py"]