diff --git a/Dockerfile b/Dockerfile
index c0554c2..27e6041 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,16 +1,16 @@
-from ruby:2.6.6
+FROM ruby:3.1.2
 
 RUN apt update && apt install -y nodejs
 
 RUN gem update --system
 RUN gem install bundler
 
-RUN mkdir /app
-WORKDIR /app
+RUN mkdir /dockerapp
+WORKDIR /dockerapp
 
 EXPOSE 3000
 
-ENTRYPOINT ["/app/bin/docker-run"]
+ENTRYPOINT ["/dockerapp/bin/docker-run"]
 
 ENV RAILS_SERVE_STATIC_FILES 1
 ENV RAILS_LOG_TO_STDOUT 1