diff --git a/Dockerfile b/Dockerfile
index ee49ec4f1..3a717c91f 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -4,9 +4,11 @@ COPY supervisord.conf /etc/supervisord.conf
 
 RUN apt update && apt install -y python3.8 python3-pip supervisor
 
-RUN mkdir ./service
+RUN mkdir -p ./service
 
-RUN pip3 install -r ./requirements.txt && cd ./service
+COPY requirements.txt ./service/requirements.txt
+
+RUN cd ./service && pip3 install -r requirements.txt
 
 EXPOSE 80/tcp