diff --git a/app/assets/javascripts/editor/editor.js.erb b/app/assets/javascripts/editor/editor.js.erb
index 29cbc5ea..02438818 100644
--- a/app/assets/javascripts/editor/editor.js.erb
+++ b/app/assets/javascripts/editor/editor.js.erb
@@ -27,7 +27,7 @@ var CodeOceanEditor = {
 
     lastCopyText: null,
 
-    <% @config ||= CodeOcean::Config.new(:code_ocean).read(erb: false) %>
+    <% @config ||= CodeOcean::Config.new(:code_ocean, erb: false).read %>
     // Important notice: Changing the config values requires any content-wise
     // modification for this file in the development environment. Lacking to do so
     // will result in the old, server-side cached serving of this file even across
diff --git a/lib/code_ocean/config.rb b/lib/code_ocean/config.rb
index c8055a54..92e8b313 100644
--- a/lib/code_ocean/config.rb
+++ b/lib/code_ocean/config.rb
@@ -2,12 +2,16 @@
 
 module CodeOcean
   class Config
-    def initialize(filename)
-      @filename = filename
+    attr_reader :path, :read
+
+    def initialize(filename, options = {})
+      @path = Rails.root.join('config', "#{filename}.yml#{options[:erb] ? '.erb' : ''}")
+      @read = parse(options)
     end
 
-    def read(options = {})
-      path = Rails.root.join('config', "#{@filename}.yml#{options[:erb] ? '.erb' : ''}")
+    private
+
+    def parse(options)
       if ::File.exist?(path)
         yaml_content = ::File.new(path, 'r').read || ''
         yaml_content = ERB.new(yaml_content).result if options[:erb]
diff --git a/lib/runner/strategy/docker_container_pool.rb b/lib/runner/strategy/docker_container_pool.rb
index 70851435..363f4c4e 100644
--- a/lib/runner/strategy/docker_container_pool.rb
+++ b/lib/runner/strategy/docker_container_pool.rb
@@ -146,7 +146,7 @@ class Runner::Strategy::DockerContainerPool < Runner::Strategy
   def self.config
     @config ||= begin
       # Since the docker configuration file contains code that must be executed, we use ERB templating.
-      docker_config = CodeOcean::Config.new(:docker).read(erb: true)
+      docker_config = CodeOcean::Config.new(:docker, erb: true).read
       codeocean_config = CodeOcean::Config.new(:code_ocean).read[:runner_management] || {}
       # All keys in `docker_config` take precedence over those in `codeocean_config`
       docker_config.merge codeocean_config
diff --git a/spec/lib/code_ocean/config_spec.rb b/spec/lib/code_ocean/config_spec.rb
index f8ca6c3c..639ad1de 100644
--- a/spec/lib/code_ocean/config_spec.rb
+++ b/spec/lib/code_ocean/config_spec.rb
@@ -30,7 +30,7 @@ RSpec.describe CodeOcean::Config do
 
     context 'with a .yml.erb file' do
       let(:path) { Rails.root.join('config', "#{filename}.yml.erb") }
-      let(:read) { described_class.new(filename).read(erb: true) }
+      let(:read) { described_class.new(filename, erb: true).read }
 
       context 'when the file is present' do
         before { File.write(path, {Rails.env.to_s => content}.to_yaml) }