Update Dockerfile

Dockerfile

@@ -4,14 +4,6 @@ FROM rocker/shiny
 
 RUN useradd -m -u 1000 user
 
-RUN chown -R user /var/lib/shiny-server/
-RUN chown -R user /var/log/shiny-server/
-RUN chown -R user /srv/shiny-server/
-RUN chown -R user /opt/shiny-server/
-RUN chown -R user /etc/shiny-server/
-
-User user
-
 RUN apt-get update && apt-get install -y \
     --no-install-recommends \
     git-core \
@@ -24,6 +16,14 @@ RUN apt-get update && apt-get install -y \
     && apt-get clean \
     && rm -rf /var/lib/apt/lists/*
 
+RUN chown -R user /var/lib/shiny-server/
+RUN chown -R user /var/log/shiny-server/
+RUN chown -R user /srv/shiny-server/
+RUN chown -R user /opt/shiny-server/
+RUN chown -R user /etc/shiny-server/
+
+User user
+
 ENV _R_SHLIB_STRIP_=true
 
 # COPY ./app/* /srv/shiny-server/