diff --git a/Dockerfile b/Dockerfile
index 0a1e40fa..48e5cfe4 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,8 +1,8 @@
 FROM python:3.8-slim
 COPY requirements.txt /tmp/requirements.txt
-RUN apt-get update && apt-get install -y gcc libc-dev libxslt-dev zlib1g-dev g++
+RUN apt-get update && apt-get install -y gcc libc-dev libxslt-dev zlib1g-dev g++ --no-install-recommends && rm -rf /var/lib/apt/lists/*
 
-RUN pip3 install -r /tmp/requirements.txt
+RUN pip3 install --no-cache-dir -r /tmp/requirements.txt
 
 
 RUN [ ! -d "/app" ] && mkdir /app