typo

Dockerfile

@@ -9,7 +9,7 @@ RUN pip install -r /requirements.txt
 
 FROM node:buster AS assets_build
 COPY yarn.lock package.json webpack.config.js /
-RUN  yarn install --pure-lockfile
+RUN yarn install --pure-lockfile
 COPY assets /assets
 RUN /node_modules/.bin/webpack-cli