1 files changed, 1 insertions, 0 deletions

diff --git a/Dockerfile b/Dockerfile
index dd01371..c74b048 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -5,4 +5,5 @@ WORKDIR /usr/src/app
 COPY Gemfile Gemfile.lock ./
 RUN bundle install
 COPY . .
+EXPOSE 4567
 CMD ["ruby", "herrschwarz.rb"]