diff --git a/Dockerfile b/Dockerfile
index b83e50bd..4b80647c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,14 +1,17 @@
 FROM node:lts-alpine
-RUN apk add --no-cache --virtual=build-dependencies build-base git python3-dev
-RUN apk add --no-cache yarn
+RUN apk add --no-cache --virtual=build-dependencies build-base git python3-dev && \
+    apk add --no-cache yarn
 USER node
 WORKDIR /var/opt/thelounge-src
 ENV THELOUNGE_HOME /var/opt/thelounge
-RUN git clone https://git.supernets.org/supernets/thelounge.git .
-RUN yarn install
-RUN NODE_ENV=production yarn build
-RUN yarn link
-RUN yarn --non-interactive cache clean
-RUN ln -s /var/opt/thelounge-src/index.js /var/opt/thelounge-src/thelounge
+RUN git clone https://git.supernets.org/supernets/thelounge.git --depth 1 .
+RUN yarn install && \
+    NODE_ENV=production yarn build && \
+    yarn link && \
+    yarn --non-interactive cache clean && \
+    ln -s /var/opt/thelounge-src/index.js /var/opt/thelounge-src/thelounge
+USER root
+RUN apk del --purge build-dependencies
+USER node
 EXPOSE 9000
 CMD ["/var/opt/thelounge-src/thelounge", "start"]
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