diff --git a/Dockerfile b/Dockerfile
index 1ff6424..df1b2af 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,16 +1,16 @@
 FROM python:3.9-slim
-MAINTAINER Soxoj <soxoj@protonmail.com>
+LABEL maintainer="Soxoj <soxoj@protonmail.com>"
 WORKDIR /app
-RUN pip install --upgrade pip
-RUN apt update && \
-	apt install -y \
+RUN pip install --no-cache-dir --upgrade pip
+RUN apt-get update && \
+    apt-get install --no-install-recommends -y \
       gcc \
       musl-dev \
       libxml2 \
       libxml2-dev \
-      libxslt-dev
-RUN apt clean \
-    && rm -rf /var/lib/apt/lists/* /tmp/*
-ADD . .
-RUN YARL_NO_EXTENSIONS=1 python3 -m pip install .
+      libxslt-dev \
+    && \
+    rm -rf /var/lib/apt/lists/* /tmp/*
+COPY . .
+RUN YARL_NO_EXTENSIONS=1 python3 -m pip install --no-cache-dir .
 ENTRYPOINT ["maigret"]