Dockerfile: run yarn install as metacpan-web

Author: haarg

Dockerfile

@@ -15,8 +15,6 @@ RUN curl -sL https://deb.nodesource.com/setup_18.x | bash \
 COPY . /metacpan-web/
 WORKDIR /metacpan-web
 
-RUN yarn install --verbose && yarn cache clean
-
 RUN cpanm --notest App::cpm \
     && cpm install -g Carton \
     && useradd -m metacpan-web -g users \
@@ -27,6 +25,8 @@ RUN chown -R metacpan-web:users /metacpan-web
 
 USER metacpan-web:users
 
+RUN yarn install --verbose && yarn cache clean
+
 EXPOSE 5001
 
 # Runs "/usr/bin/dumb-init -- /my/script --with --args"