diff --git a/Dockerfile b/Dockerfile
index edb4a76cd..d12a72496 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -33,15 +33,15 @@ COPY vendor/docker/ntp.conf /etc/ntp.conf
 # Add Runit script for shoryuken workers
 WORKDIR /home/app/webapp
 RUN mkdir /etc/service/shoryuken
-ADD vendor/docker/shoryuken.sh /etc/service/shoryuken/run
+COPY vendor/docker/shoryuken.sh /etc/service/shoryuken/run
 
 # Install Passenger monitor for Datadog
-RUN wget https://github.com/Sjeanpierre/passenger-datadog-monitor/releases/download/v1.00/passenger-datadog-monitor && \
-    mv passenger-datadog-monitor /usr/local/bin && \
-    chmod +x /usr/local/bin/passenger-datadog-monitor && \
-    mkdir /etc/service/passenger-datadog
-ADD vendor/docker/passenger-datadog.sh /etc/service/passenger-datadog/run
-RUN chmod +x /etc/service/passenger-datadog/run
+# RUN wget https://github.com/Sjeanpierre/passenger-datadog-monitor/releases/download/v1.00/passenger-datadog-monitor && \
+#     mv passenger-datadog-monitor /usr/local/bin && \
+#     chmod +x /usr/local/bin/passenger-datadog-monitor && \
+#     mkdir /etc/service/passenger-datadog
+# COPY vendor/docker/passenger-datadog.sh /etc/service/passenger-datadog/run
+# RUN chmod +x /etc/service/passenger-datadog/run
 
 # Install Ruby gems
 COPY Gemfile* /home/app/webapp/
@@ -50,7 +50,7 @@ RUN mkdir -p vendor/bundle && \
     chown -R app:app . && \
     chmod -R 755 . && \
     gem update --system && \
-    gem install bundler && \
+    gem install bundler:2.1.4 && \
     /sbin/setuser app bundle install --path vendor/bundle
 
 # Copy webapp folder