diff --git a/docker/Dockerfile b/docker/Dockerfile
index 7488eea01..10db4c216 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -1,6 +1,5 @@
 FROM python:3.10-slim
-RUN apt-get update && apt-get install -y git && rm -rf /var/lib/apt/lists/*
-COPY . /aider
-RUN pip install --upgrade pip && pip install /aider && rm -rf /aider
+RUN apt-get update && apt-get install -y git && rm -rf /var/lib/apt/lists/* && \
+    pip install --no-cache-dir /aider && rm -rf /aider
 WORKDIR /app
 ENTRYPOINT ["aider"]