diff --git a/.docker/00-prepare-for-prod-dump.sql b/.docker/00-prepare-for-prod-dump.sql
index 81b86aa..369d9ff 100644
--- a/.docker/00-prepare-for-prod-dump.sql
+++ b/.docker/00-prepare-for-prod-dump.sql
@@ -1,3 +1,4 @@
 CREATE DATABASE decidim_luzern_production;
-CREATE ROLE postgres;
-CREATE ROLE app;
+CREATE DATABASE app;
+CREATE ROLE postgres WITH LOGIN SUPERUSER PASSWORD 'postgres';
+CREATE ROLE app WITH LOGIN SUPERUSER PASSWORD 'app';
diff --git a/Gemfile.lock b/Gemfile.lock
index 7de09a5..165bb04 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -241,7 +241,7 @@ GEM
     cells-rails (0.1.5)
       actionpack (>= 5.0)
       cells (>= 4.1.6, < 5.0.0)
-    charlock_holmes (0.7.7)
+    charlock_holmes (0.7.9)
     chef-utils (18.4.2)
       concurrent-ruby
     childprocess (4.1.0)
@@ -1052,4 +1052,4 @@ RUBY VERSION
    ruby 3.0.6p216
 
 BUNDLED WITH
-   2.5.5
+   2.5.23
diff --git a/bin/bundle-binstub b/bin/bundle-binstub
index 50da5fd..a242eeb 100755
--- a/bin/bundle-binstub
+++ b/bin/bundle-binstub
@@ -8,7 +8,7 @@
 # this file is here to facilitate running it.
 #
 
-require "rubygems"
+require 'rubygems'
 
 m = Module.new do
   module_function
@@ -18,36 +18,36 @@ m = Module.new do
   end
 
   def env_var_version
-    ENV["BUNDLER_VERSION"]
+    ENV.fetch('BUNDLER_VERSION', nil)
   end
 
   def cli_arg_version
     return unless invoked_as_script? # don't want to hijack other binstubs
-    return unless "update".start_with?(ARGV.first || " ") # must be running `bundle update`
+    return unless 'update'.start_with?(ARGV.first || ' ') # must be running `bundle update`
+
     bundler_version = nil
     update_index = nil
     ARGV.each_with_index do |a, i|
-      if update_index && update_index.succ == i && a.match?(Gem::Version::ANCHORED_VERSION_PATTERN)
-        bundler_version = a
-      end
+      bundler_version = a if update_index && update_index.succ == i && a.match?(Gem::Version::ANCHORED_VERSION_PATTERN)
       next unless a =~ /\A--bundler(?:[= ](#{Gem::Version::VERSION_PATTERN}))?\z/
-      bundler_version = $1
+
+      bundler_version = Regexp.last_match(1)
       update_index = i
     end
     bundler_version
   end
 
   def gemfile
-    gemfile = ENV["BUNDLE_GEMFILE"]
-    return gemfile if gemfile && !gemfile.empty?
+    gemfile = ENV.fetch('BUNDLE_GEMFILE', nil)
+    return gemfile if gemfile.present?
 
-    File.expand_path("../Gemfile", __dir__)
+    File.expand_path('../Gemfile', __dir__)
   end
 
   def lockfile
     lockfile =
       case File.basename(gemfile)
-      when "gems.rb" then gemfile.sub(/\.rb$/, ".locked")
+      when 'gems.rb' then gemfile.sub(/\.rb$/, '.locked')
       else "#{gemfile}.lock"
       end
     File.expand_path(lockfile)
@@ -55,8 +55,10 @@ m = Module.new do
 
   def lockfile_version
     return unless File.file?(lockfile)
+
     lockfile_contents = File.read(lockfile)
     return unless lockfile_contents =~ /\n\nBUNDLED WITH\n\s{2,}(#{Gem::Version::VERSION_PATTERN})\n/
+
     Regexp.last_match(1)
   end
 
@@ -76,21 +78,30 @@ m = Module.new do
   end
 
   def load_bundler!
-    ENV["BUNDLE_GEMFILE"] ||= gemfile
+    ENV['BUNDLE_GEMFILE'] ||= gemfile
 
     activate_bundler
   end
 
   def activate_bundler
     gem_error = activation_error_handling do
-      gem "bundler", bundler_requirement
+      gem 'bundler', bundler_requirement
     end
     return if gem_error.nil?
+
     require_error = activation_error_handling do
-      require "bundler/version"
+      require 'bundler/version'
+    end
+    if require_error.nil? && Gem::Requirement.new(bundler_requirement).satisfied_by?(Gem::Version.new(Bundler::VERSION))
+      return
     end
-    return if require_error.nil? && Gem::Requirement.new(bundler_requirement).satisfied_by?(Gem::Version.new(Bundler::VERSION))
-    warn "Activating bundler (#{bundler_requirement}) failed:\n#{gem_error.message}\n\nTo install the version of bundler this project requires, run `gem install bundler -v '#{bundler_requirement}'`"
+
+    warn <<~WARN
+      Activating bundler (#{bundler_requirement}) failed:
+      #{gem_error.message}
+
+      To install the version of bundler this project requires, run `gem install bundler -v '#{bundler_requirement}'`
+    WARN
     exit 42
   end
 
@@ -104,6 +115,4 @@ end
 
 m.load_bundler!
 
-if m.invoked_as_script?
-  load Gem.bin_path("bundler", "bundle")
-end
+load Gem.bin_path('bundler', 'bundle') if m.invoked_as_script?
diff --git a/docker-compose.yml b/docker-compose.yml
index f7266b2..361dd96 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -40,8 +40,8 @@ services:
       - 5432:5432
     volumes:
       - pg-data:/var/lib/postgresql/data
-      #- ./.docker/00-prepare-for-prod-dump.sql:/docker-entrypoint-initdb.d/00-prepare-for-prod-dump.sql
-      #- ./.docker/database-init.sql:/docker-entrypoint-initdb.d/database-init.sql
+      - ./.docker/00-prepare-for-prod-dump.sql:/docker-entrypoint-initdb.d/00-prepare-for-prod-dump.sql
+      # - ./.docker/database-init.sql:/docker-entrypoint-initdb.d/database-init.sql
   cache:
     image: memcached:1.5-alpine
     command: [ memcached, -l, '0.0.0.0', -p, '11211' ]