diff --git a/ee/lib/remote_development/README.md b/ee/lib/remote_development/README.md
index a1cd1819852f6d69ebd8d7f0e335d6ae610905a9..24af018ff69aca8a6398e1e6e05657fb3b407f26 100644
--- a/ee/lib/remote_development/README.md
+++ b/ee/lib/remote_development/README.md
@@ -11,7 +11,7 @@
 - [Railway Oriented Programming and the Result Class](#railway-oriented-programming-and-the-result-class)
 - [Benefits](#benefits)
 - [Differences from standard GitLab patterns](#differences-from-standard-gitlab-patterns)
-- [Remote Development Settings](#settings)
+- [Remote Development Settings](#remote-development-settings)
 - [FAQ](#faq)
 
 ## TL;DR and Quickstart
@@ -421,9 +421,9 @@ order of the steps in the
 
 1. First, the default value is used
 1. Next, one of the following values are used if defined and not `nil`:
-   1.`::Gitlab::CurrentSettings`
-   1.`::Gitlab::Settings` (not yet implemented)
-   1. Cascading settings via `CascadingNamespaceSettingAttribute` (not yet implemented)
+    1. `::Gitlab::CurrentSettings`
+    1. `::Gitlab::Settings` (not yet implemented)
+    1. Cascading settings via `CascadingNamespaceSettingAttribute` (not yet implemented)
 1. Next, an ENV values is used if defined (i.e. not `nil`). The ENV var is intentionally placed as
    the last step and highest precedence, so it can always be used to easily override any settings for
    local or temporary testing.
diff --git a/ee/lib/remote_development/settings/defaults_initializer.rb b/ee/lib/remote_development/settings/defaults_initializer.rb
index 795d28d3fd2104fe3218123d639868315aa88f36..3c5b8f5c5cbfc357f43b29bb421eb0e4583242ec 100644
--- a/ee/lib/remote_development/settings/defaults_initializer.rb
+++ b/ee/lib/remote_development/settings/defaults_initializer.rb
@@ -18,7 +18,8 @@ def self.default_settings
           default_branch_name: [UNDEFINED, String],
           default_max_hours_before_termination: [24, Integer],
           max_hours_before_termination_limit: [120, Integer],
-          project_cloner_image: ['alpine/git:2.36.3', String]
+          project_cloner_image: ['alpine/git:2.36.3', String],
+          tools_injector_image: ["registry.gitlab.com/gitlab-org/gitlab-web-ide-vscode-fork/web-ide-injector:9", String]
         }
       end
 
diff --git a/ee/lib/remote_development/workspaces/create/post_flatten_devfile_validator.rb b/ee/lib/remote_development/workspaces/create/post_flatten_devfile_validator.rb
index 6594b33ce171f968ed096356e77a282fbf769657..fb897b8a9983483d7248f780ecf6247948848971 100644
--- a/ee/lib/remote_development/workspaces/create/post_flatten_devfile_validator.rb
+++ b/ee/lib/remote_development/workspaces/create/post_flatten_devfile_validator.rb
@@ -57,17 +57,17 @@ def self.validate_components(value)
 
           return err(_('No components present in devfile')) if components.blank?
 
-          inject_tools_components = components.select do |component|
+          injected_tools_components = components.select do |component|
             component.dig('attributes', 'gl/inject-editor')
           end
 
-          return err(_("No component has 'gl/inject-editor' attribute")) if inject_tools_components.empty?
+          return err(_("No component has 'gl/inject-editor' attribute")) if injected_tools_components.empty?
 
-          if inject_tools_components.length > 1
+          if injected_tools_components.length > 1
             return err(
               format(
                 _("Multiple components '%{name}' have 'gl/inject-editor' attribute"),
-                name: inject_tools_components.pluck('name') # rubocop:disable CodeReuse/ActiveRecord -- this pluck isn't from ActiveRecord, it's from ActiveSupport
+                name: injected_tools_components.pluck('name') # rubocop:disable CodeReuse/ActiveRecord -- this pluck isn't from ActiveRecord, it's from ActiveSupport
               )
             )
           end
diff --git a/ee/lib/remote_development/workspaces/create/tools_component_injector.rb b/ee/lib/remote_development/workspaces/create/tools_component_injector.rb
index d9f3a2b9679e47bbf1f886f737c63ee07579010d..5a2df9d16ad765d256e746d70f30a02ef0865c5e 100644
--- a/ee/lib/remote_development/workspaces/create/tools_component_injector.rb
+++ b/ee/lib/remote_development/workspaces/create/tools_component_injector.rb
@@ -12,46 +12,61 @@ def self.inject(value)
           value => {
             processed_devfile: Hash => processed_devfile,
             volume_mounts: Hash => volume_mounts,
-            params: Hash => params
+            settings: Hash => settings
           }
           volume_mounts => { data_volume: Hash => data_volume }
           data_volume => { path: String => volume_path }
-          params => { agent: Clusters::Agent => agent }
+          settings => { tools_injector_image: String => image_from_settings }
 
           editor_port = WorkspaceCreator::WORKSPACE_PORT
           ssh_port = 60022
           tools_dir = "#{volume_path}/.gl-tools"
-          enable_marketplace = Feature.enabled?(
-            :allow_extensions_marketplace_in_workspace,
-            agent.project.root_namespace,
-            type: :beta
-          )
+          enable_marketplace = allow_extensions_marketplace_in_workspace_feature_enabled?(value: value)
 
+          # NOTE: We will always have exactly one tools_component found, because we have already
+          #       validated this in post_flatten_devfile_validator.rb
           tools_component = processed_devfile['components'].find { |c| c.dig('attributes', 'gl/inject-editor') }
-          use_vscode_1_81_attribute = tools_component.fetch('attributes', {}).fetch('gl/use-vscode-1-81', false)
-          use_vscode_1_81 = [true, "true"].include? use_vscode_1_81_attribute
-          inject_tools_component(processed_devfile, tools_dir, use_vscode_1_81)
-
-          if tools_component
-            override_main_container(
-              tools_component,
-              tools_dir,
-              editor_port,
-              ssh_port,
-              enable_marketplace
-            )
-          end
+
+          # TODO: https://gitlab.com/gitlab-org/gitlab/-/issues/409775 - choose image based on which editor is passed.
+          image = vscode_1_81_image_override(tools_component: tools_component) || image_from_settings
+
+          inject_tools_components(processed_devfile: processed_devfile, tools_dir: tools_dir, image: image)
+
+          override_main_container(
+            tools_component: tools_component,
+            tools_dir: tools_dir,
+            editor_port: editor_port,
+            ssh_port: ssh_port,
+            enable_marketplace: enable_marketplace
+          )
 
           value
         end
 
-        # @param [Hash] component
+        # @param [Hash] value
+        # @return [Boolean]
+        def self.allow_extensions_marketplace_in_workspace_feature_enabled?(value:)
+          Feature.enabled?(
+            :allow_extensions_marketplace_in_workspace,
+            value.fetch(:params).fetch(:agent).project.root_namespace,
+            type: :beta
+          )
+        end
+
+        # @param [Hash] tools_component
+        # @return [String | false]
+        def self.vscode_1_81_image_override(tools_component:)
+          override_image = tools_component.fetch("attributes", {})["gl/use-vscode-1-81"].to_s == "true"
+          "registry.gitlab.com/gitlab-org/gitlab-web-ide-vscode-fork/web-ide-injector:7" if override_image
+        end
+
+        # @param [Hash] tools_component
         # @param [String] tools_dir
         # @param [Integer] editor_port
         # @param [Integer] ssh_port
         # @param [Boolean] enable_marketplace
-        # @return [Hash]
-        def self.override_main_container(component, tools_dir, editor_port, ssh_port, enable_marketplace)
+        # @return [void]
+        def self.override_main_container(tools_component:, tools_dir:, editor_port:, ssh_port:, enable_marketplace:)
           # This overrides the main container's command
           # Open issue to support both starting the editor and running the default command:
           # https://gitlab.com/gitlab-org/gitlab/-/issues/392853
@@ -65,10 +80,10 @@ def self.override_main_container(component, tools_dir, editor_port, ssh_port, en
             fi
             ${GL_TOOLS_DIR}/init_tools.sh
           SH
-          component['container']['command'] = %w[/bin/sh -c]
-          component['container']['args'] = [container_args]
-          component['container']['env'] = [] if component['container']['env'].nil?
-          component['container']['env'] += [
+          tools_component['container']['command'] = %w[/bin/sh -c]
+          tools_component['container']['args'] = [container_args]
+          tools_component['container']['env'] = [] if tools_component['container']['env'].nil?
+          tools_component['container']['env'] += [
             {
               'name' => 'GL_TOOLS_DIR',
               'value' => tools_dir
@@ -91,8 +106,8 @@ def self.override_main_container(component, tools_dir, editor_port, ssh_port, en
             }
           ]
 
-          component['container']['endpoints'] = [] if component['container']['endpoints'].nil?
-          component['container']['endpoints'].append(
+          tools_component['container']['endpoints'] = [] if tools_component['container']['endpoints'].nil?
+          tools_component['container']['endpoints'].append(
             {
               'name' => 'editor-server',
               'targetPort' => editor_port,
@@ -107,15 +122,14 @@ def self.override_main_container(component, tools_dir, editor_port, ssh_port, en
               'secure' => true
             }
           )
-          component
         end
 
         # @param [Hash] processed_devfile
         # @param [String] tools_dir
-        # @param [Boolean] use_vscode_1_81
+        # @param [String] image
         # @return [Array]
-        def self.inject_tools_component(processed_devfile, tools_dir, use_vscode_1_81)
-          processed_devfile['components'] += tools_components(tools_dir, use_vscode_1_81)
+        def self.inject_tools_components(processed_devfile:, tools_dir:, image:)
+          processed_devfile['components'] += tools_components(tools_dir: tools_dir, image: image)
 
           processed_devfile['commands'] = [] if processed_devfile['commands'].nil?
           processed_devfile['commands'] += [{
@@ -131,18 +145,14 @@ def self.inject_tools_component(processed_devfile, tools_dir, use_vscode_1_81)
         end
 
         # @param [String] tools_dir
-        # @param [Boolean] use_vscode_1_81
+        # @param [String] image
         # @return [Array]
-        def self.tools_components(tools_dir, use_vscode_1_81)
-          # TODO: https://gitlab.com/gitlab-org/gitlab/-/issues/409775 - choose image based on which editor is passed.
-          image_name = 'registry.gitlab.com/gitlab-org/gitlab-web-ide-vscode-fork/web-ide-injector'
-          image_tag = use_vscode_1_81 ? '7' : '9'
-
+        def self.tools_components(tools_dir:, image:)
           [
             {
               'name' => 'gl-tools-injector',
               'container' => {
-                'image' => "#{image_name}:#{image_tag}",
+                'image' => image,
                 'env' => [
                   {
                     'name' => 'GL_TOOLS_DIR',
diff --git a/ee/spec/lib/remote_development/message_spec.rb b/ee/spec/lib/remote_development/message_spec.rb
index 20df13aaff0c2fc2b21bb899e99f5d2a51745a92..c6c14624331a6ea350dd2b37ad3898314c905f0e 100644
--- a/ee/spec/lib/remote_development/message_spec.rb
+++ b/ee/spec/lib/remote_development/message_spec.rb
@@ -1,6 +1,6 @@
 # frozen_string_literal: true
 
-require 'fast_spec_helper'
+require_relative 'fast_spec_helper'
 
 RSpec.describe RemoteDevelopment::Message, feature_category: :remote_development do
   describe '#==' do
diff --git a/ee/spec/lib/remote_development/message_support_spec.rb b/ee/spec/lib/remote_development/message_support_spec.rb
index 0c2fd8003e00507e561ae26b737ea9c6b4398de8..97878375aa2f262dbda14d2a570c64039b5512bf 100644
--- a/ee/spec/lib/remote_development/message_support_spec.rb
+++ b/ee/spec/lib/remote_development/message_support_spec.rb
@@ -1,6 +1,6 @@
 # frozen_string_literal: true
 
-require 'fast_spec_helper'
+require_relative 'fast_spec_helper'
 
 RSpec.describe RemoteDevelopment::MessageSupport, feature_category: :remote_development do
   let(:object) { Object.new.extend(described_class) }
diff --git a/ee/spec/lib/remote_development/unmatched_result_error_spec.rb b/ee/spec/lib/remote_development/unmatched_result_error_spec.rb
index 7f0b40b47737df0990f0e7d2ba630ddc834b7c26..a608c4f3e37a26c7b4557f49fb66242727c35ff7 100644
--- a/ee/spec/lib/remote_development/unmatched_result_error_spec.rb
+++ b/ee/spec/lib/remote_development/unmatched_result_error_spec.rb
@@ -1,6 +1,6 @@
 # frozen_string_literal: true
 
-require 'fast_spec_helper'
+require_relative 'fast_spec_helper'
 
 RSpec.describe RemoteDevelopment::UnmatchedResultError, feature_category: :remote_development do
   let(:unmatched_message_class) { stub_const('UnmatchedMessage', Class.new(RemoteDevelopment::Message)) }
diff --git a/ee/spec/lib/remote_development/workspaces/create/main_integration_spec.rb b/ee/spec/lib/remote_development/workspaces/create/main_integration_spec.rb
index 41ee4ad9e499a657c9ed84e0a912fcf096dacbb4..7fd325d8c5ded77deda6c285793da2bb5470cde1 100644
--- a/ee/spec/lib/remote_development/workspaces/create/main_integration_spec.rb
+++ b/ee/spec/lib/remote_development/workspaces/create/main_integration_spec.rb
@@ -44,9 +44,14 @@
     }
   end
 
+  let(:tools_injector_image_from_settings) do
+    "registry.gitlab.com/gitlab-org/gitlab-web-ide-vscode-fork/web-ide-injector:9"
+  end
+
   let(:settings) do
     {
-      project_cloner_image: 'alpine/git:2.36.3'
+      project_cloner_image: 'alpine/git:2.36.3',
+      tools_injector_image: tools_injector_image_from_settings
     }
   end
 
@@ -152,4 +157,21 @@
       end
     end
   end
+
+  context "when allow_extensions_marketplace_in_workspace feature flag is disabled" do
+    let(:tools_injector_image_from_settings) { 'my/awesome/image:42' }
+
+    before do
+      stub_feature_flags(allow_extensions_marketplace_in_workspace: false)
+    end
+
+    it 'uses image override' do
+      workspace = response.fetch(:payload).fetch(:workspace)
+      processed_devfile = YAML.safe_load(workspace.processed_devfile).to_h
+      image_from_processed_devfile = processed_devfile["components"]
+                                       &.find { |component| component['name'] == 'gl-tools-injector' }
+                                       &.dig('container', 'image')
+      expect(image_from_processed_devfile).to eq(tools_injector_image_from_settings)
+    end
+  end
 end
diff --git a/ee/spec/lib/remote_development/workspaces/create/tools_component_injector_spec.rb b/ee/spec/lib/remote_development/workspaces/create/tools_component_injector_spec.rb
index 4db4347218636af54f41a0d35001154c6056390c..dd8cc01cedbd5d3487ffbd95ca2509409ae85958 100644
--- a/ee/spec/lib/remote_development/workspaces/create/tools_component_injector_spec.rb
+++ b/ee/spec/lib/remote_development/workspaces/create/tools_component_injector_spec.rb
@@ -1,26 +1,33 @@
 # frozen_string_literal: true
 
-require "spec_helper"
+require_relative '../../fast_spec_helper'
 
 RSpec.describe RemoteDevelopment::Workspaces::Create::ToolsComponentInjector, feature_category: :remote_development do
   include_context 'with remote development shared fixtures'
 
-  let(:agent) { create(:ee_cluster_agent, :with_remote_development_agent_config) }
   let(:input_processed_devfile_name) { 'example.flattened-devfile.yaml' }
   let(:input_processed_devfile) { YAML.safe_load(read_devfile(input_processed_devfile_name)).to_h }
   let(:expected_processed_devfile_name) { 'example.tools-injected-devfile.yaml' }
   let(:expected_processed_devfile) { YAML.safe_load(read_devfile(expected_processed_devfile_name)).to_h }
+  let(:tools_injector_image_from_settings) do
+    "registry.gitlab.com/gitlab-org/gitlab-web-ide-vscode-fork/web-ide-injector:9"
+  end
+
+  let(:settings) do
+    {
+      tools_injector_image: tools_injector_image_from_settings
+    }
+  end
+
   let(:value) do
     {
-      params: {
-        agent: agent
-      },
       processed_devfile: input_processed_devfile,
       volume_mounts: {
         data_volume: {
           path: "/projects"
         }
-      }
+      },
+      settings: settings
     }
   end
 
@@ -28,15 +35,30 @@
     described_class.inject(value)
   end
 
+  before do
+    allow(described_class)
+      .to receive(:allow_extensions_marketplace_in_workspace_feature_enabled?).and_return(true)
+  end
+
   it 'injects the tools injector component' do
     expect(returned_value[:processed_devfile]).to eq(expected_processed_devfile)
   end
 
+  context 'when image is overridden in settings' do
+    let(:tools_injector_image_from_settings) { 'my/awesome/image:42' }
+
+    it 'uses image override' do
+      image_from_processed_devfile = returned_value[:processed_devfile]["components"][2]["container"]["image"]
+      expect(image_from_processed_devfile).to eq(tools_injector_image_from_settings)
+    end
+  end
+
   context "when allow_extensions_marketplace_in_workspace is disabled" do
     let(:expected_processed_devfile_name) { 'example.tools-injected-marketplace-disabled-devfile.yaml' }
 
     before do
-      stub_feature_flags(allow_extensions_marketplace_in_workspace: false)
+      allow(described_class)
+        .to receive(:allow_extensions_marketplace_in_workspace_feature_enabled?).and_return(false)
     end
 
     it 'injects the tools injector component' do
diff --git a/ee/spec/lib/remote_development/workspaces/create/volume_definer_spec.rb b/ee/spec/lib/remote_development/workspaces/create/volume_definer_spec.rb
index 89e5871e3a284c49a4598ad0c28fdc49da460dd2..53d8c9c165d232308b0464646e95c97e63140fde 100644
--- a/ee/spec/lib/remote_development/workspaces/create/volume_definer_spec.rb
+++ b/ee/spec/lib/remote_development/workspaces/create/volume_definer_spec.rb
@@ -1,6 +1,6 @@
 # frozen_string_literal: true
 
-require "fast_spec_helper"
+require_relative '../../fast_spec_helper'
 
 RSpec.describe RemoteDevelopment::Workspaces::Create::VolumeDefiner, feature_category: :remote_development do
   let(:value) { { params: 1 } }
diff --git a/ee/spec/lib/remote_development/workspaces/states_spec.rb b/ee/spec/lib/remote_development/workspaces/states_spec.rb
index ab9307bf07dec59f2a5725be6862e42c96d95f39..9328a2483af6bb0880fdb6143defbafb5ce7d2a6 100644
--- a/ee/spec/lib/remote_development/workspaces/states_spec.rb
+++ b/ee/spec/lib/remote_development/workspaces/states_spec.rb
@@ -1,6 +1,6 @@
 # frozen_string_literal: true
 
-require 'fast_spec_helper'
+require_relative '../fast_spec_helper'
 
 RSpec.describe RemoteDevelopment::Workspaces::States, feature_category: :remote_development do
   let(:object) { Object.new.extend(described_class) }