Update Dockerfile

Dockerfile

@@ -4,6 +4,8 @@ FROM rocker/shiny
 
 RUN useradd -m -u 1000 user
 
+COPY shiny-server.conf /etc/shiny-server/shiny-server.conf
+
 RUN apt-get update && apt-get install -y \
     --no-install-recommends \
     git-core \
@@ -22,6 +24,7 @@ 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