diff --git a/Dockerfile b/Dockerfile
index c50c0f3..6feb536 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,8 @@
 FROM sutty/sdk-ruby:latest AS build
 MAINTAINER "f <f@sutty.nl>"
 
+ENV RACK_ENV=production
+
 RUN install -dm 2750 -o app -g www-data /srv/http
 
 USER app
@@ -8,14 +10,13 @@ WORKDIR /srv/http
 COPY --chown=app:www-data ./Gemfile .
 COPY --chown=app:www-data ./config.ru .
 RUN bundle install --path=./vendor
-RUN find ./vendor -name '*.so' | xargs -r strip --strip-unneeded
 
 FROM sutty/daemonize:latest AS daemonize
 
 RUN echo /home/builder/packages/home > /etc/apk/repositories
 RUN apk add --no-cache daemonize
 
-FROM sutty/monit
+FROM sutty/monit:latest
 ENV RACK_ENV=production
 
 RUN addgroup -g 82 -S www-data
@@ -32,7 +33,7 @@ RUN chmod 755 /usr/local/bin/geminabox
 # https://github.com/rubygems/rubygems/issues/2918
 # https://gitlab.alpinelinux.org/alpine/aports/issues/10808
 COPY ./rubygems-platform-musl.patch /tmp/
-RUN cd /usr/lib/ruby/2.5.0 && patch -Np 0 -i /tmp/rubygems-platform-musl.patch
+RUN cd /usr/lib/ruby/2.6.0 && patch -Np 0 -i /tmp/rubygems-platform-musl.patch
 
 EXPOSE 9292
 VOLUME /srv/gems
diff --git a/Gemfile b/Gemfile
index 5236acc..17c9e0e 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,4 +1,8 @@
-source 'https://rubygems.org'
+if ENV['RACK_ENV'] == 'production'
+  source 'https://gems.sutty.nl'
+else
+  source 'https://rubygems.org'
+end
 
 gem 'redis-rack'
 gem 'hiredis'
diff --git a/geminabox.sh b/geminabox.sh
index c94c01f..c0d9153 100644
--- a/geminabox.sh
+++ b/geminabox.sh
@@ -3,6 +3,7 @@ set -e
 
 dir=/srv/gems
 pid=/tmp/geminabox.pid
+log=/tmp/geminabox.log
 
 chown -R app:www-data ${dir}
 cd ${dir}
@@ -13,6 +14,6 @@ for link in Gemfile Gemfile.lock .bundle config.ru vendor; do
 done
 
 rm -f ${pid}
-daemonize -p ${pid} -l ${pid} -o ${dir}/access.log -e ${dir}/error.log \
+daemonize -p ${pid} -l ${pid} -o ${log} -e ${log} \
           -c ${dir} -a -u app \
           `which bundle` exec rackup