diff --git a/code/src/vs/workbench/services/workspaces/browser/che/devWorkspaceId.ts b/code/src/vs/workbench/services/workspaces/browser/che/devWorkspaceId.ts
new file mode 100644
index 00000000000..530ec5c764d
--- /dev/null
+++ b/code/src/vs/workbench/services/workspaces/browser/che/devWorkspaceId.ts
@@ -0,0 +1,24 @@
+/**********************************************************************
+ * Copyright (c) 2023 Red Hat, Inc.
+ *
+ * This program and the accompanying materials are made
+ * available under the terms of the Eclipse Public License 2.0
+ * which is available at https://www.eclipse.org/legal/epl-2.0/
+ *
+ * SPDX-License-Identifier: EPL-2.0
+ ***********************************************************************/
+/* eslint-disable header/header */
+
+// !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+// NOTE: DO NOT CHANGE. Launcher updates this constant on workspace startup
+// !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+const DEVWORKSPACE = "https://{{che-cluster}}.{{host}}/{{namespace}}/{{workspace-name}}/{{port}}/";
+
+export function getDevWorkspaceId(): string | undefined {
+    // checking for "https://" guarantees we apply here the ID set by che-code launcher
+    if (DEVWORKSPACE && !DEVWORKSPACE.startsWith("https://")) {
+        return DEVWORKSPACE;
+    }
+
+    return undefined;
+}
diff --git a/code/src/vs/workbench/services/workspaces/browser/workspaces.ts b/code/src/vs/workbench/services/workspaces/browser/workspaces.ts
index 8bfc7e0e3f3..275c9bd5da3 100644
--- a/code/src/vs/workbench/services/workspaces/browser/workspaces.ts
+++ b/code/src/vs/workbench/services/workspaces/browser/workspaces.ts
@@ -6,6 +6,7 @@
 import { ISingleFolderWorkspaceIdentifier, IWorkspaceIdentifier } from 'vs/platform/workspace/common/workspace';
 import { URI } from 'vs/base/common/uri';
 import { hash } from 'vs/base/common/hash';
+import { getDevWorkspaceId } from 'vs/workbench/services/workspaces/browser/che/devWorkspaceId'
 
 // !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
 // NOTE: DO NOT CHANGE. IDENTIFIERS HAVE TO REMAIN STABLE
@@ -30,5 +31,5 @@ export function getSingleFolderWorkspaceIdentifier(folderUri: URI): ISingleFolde
 }
 
 function getWorkspaceId(uri: URI): string {
-	return hash(window.location.href + uri.toString()).toString(16);
+	return hash(getDevWorkspaceId() + uri.toString()).toString(16);
 }
diff --git a/launcher/src/devworkspace-id.ts b/launcher/src/devworkspace-id.ts
new file mode 100644
index 00000000000..c4162519b46
--- /dev/null
+++ b/launcher/src/devworkspace-id.ts
@@ -0,0 +1,45 @@
+/**********************************************************************
+ * Copyright (c) 2023 Red Hat, Inc.
+ *
+ * This program and the accompanying materials are made
+ * available under the terms of the Eclipse Public License 2.0
+ * which is available at https://www.eclipse.org/legal/epl-2.0/
+ *
+ * SPDX-License-Identifier: EPL-2.0
+ ***********************************************************************/
+
+import { env } from "process";
+import { FILE_WORKBENCH_WEB_MAIN } from "./files";
+import * as fs from "./fs-extra";
+
+const DEVWORKSPACE_ID_MASK =
+  "https://{{che-cluster}}.{{host}}/{{namespace}}/{{workspace-name}}/{{port}}/";
+
+export class DevWorkspaceId {
+  async configure(): Promise<void> {
+    console.log("# Setting curent DevWorkspace ID to che-code...");
+
+    if (!env.DEVWORKSPACE_ID) {
+      console.log("  > env.DEVWORKSPACE_ID is not set, skip this step");
+      return;
+    }
+
+    console.log(`  > apply DevWorkspace ID [${env.DEVWORKSPACE_ID}]`);
+
+    try {
+      await this.update(
+        FILE_WORKBENCH_WEB_MAIN,
+        DEVWORKSPACE_ID_MASK,
+        env.DEVWORKSPACE_ID
+      );
+    } catch (err) {
+      console.error(`${err.message} Webviews will not work if CDN disabled.`);
+    }
+  }
+
+  async update(file: string, text: string, newText: string): Promise<void> {
+    const content = await fs.readFile(file);
+    const newContent = content.replace(text, newText);
+    await fs.writeFile(file, newContent);
+  }
+}
diff --git a/launcher/src/files.ts b/launcher/src/files.ts
new file mode 100644
index 00000000000..09e880dcb7a
--- /dev/null
+++ b/launcher/src/files.ts
@@ -0,0 +1,14 @@
+/**********************************************************************
+ * Copyright (c) 2023 Red Hat, Inc.
+ *
+ * This program and the accompanying materials are made
+ * available under the terms of the Eclipse Public License 2.0
+ * which is available at https://www.eclipse.org/legal/epl-2.0/
+ *
+ * SPDX-License-Identifier: EPL-2.0
+ ***********************************************************************/
+
+export const FILE_WORKBENCH_WEB_MAIN = "out/vs/workbench/workbench.web.main.js";
+
+export const FILE_EXTENSION_HOST_PROCESS =
+  "out/vs/workbench/api/node/extensionHostProcess.js";
diff --git a/launcher/src/fs-extra.ts b/launcher/src/fs-extra.ts
index e1ebb9a102e..225f64e543e 100644
--- a/launcher/src/fs-extra.ts
+++ b/launcher/src/fs-extra.ts
@@ -13,7 +13,7 @@
  * Why do we need to add the wrapper:
  *   - it allows to get rid of using `fs-extra` package
  *   - it allows to use common `node_modules` directory for launcher and VS Code
- *   - it simplifies writing tests and allows to easily mock of this module
+ *   - it simplifies writing tests and allows to easily mock this module
  */
 
 import * as fs from "fs";
diff --git a/launcher/src/main.ts b/launcher/src/main.ts
index 85565d83163..bc6458dd7cd 100644
--- a/launcher/src/main.ts
+++ b/launcher/src/main.ts
@@ -9,6 +9,7 @@
  ***********************************************************************/
 
 import { CodeWorkspace } from "./code-workspace";
+import { DevWorkspaceId } from "./devworkspace-id";
 import { NodeExtraCertificate } from "./node-extra-certificate";
 import { OpenVSIXRegistry } from "./openvsix-registry";
 import { VSCodeLauncher } from "./vscode-launcher";
@@ -22,6 +23,7 @@ import { WebviewResources } from "./webview-resources";
  */
 export class Main {
   async start(): Promise<void> {
+    await new DevWorkspaceId().configure();
     await new OpenVSIXRegistry().configure();
     await new WebviewResources().configure();
     await new NodeExtraCertificate().configure();
diff --git a/launcher/src/openvsix-registry.ts b/launcher/src/openvsix-registry.ts
index b805525e39b..4ae3e7cb5cc 100644
--- a/launcher/src/openvsix-registry.ts
+++ b/launcher/src/openvsix-registry.ts
@@ -9,6 +9,7 @@
  ***********************************************************************/
 
 import { env } from "process";
+import { FILE_WORKBENCH_WEB_MAIN } from "./files";
 import * as fs from "./fs-extra";
 import { ProductJSON } from "./product-json";
 
@@ -74,7 +75,7 @@ export class OpenVSIXRegistry {
       await productJSON.save();
 
       await this.update(
-        "out/vs/workbench/workbench.web.main.js",
+        FILE_WORKBENCH_WEB_MAIN,
         serviceURL,
         newServiceURL,
         itemURL,
diff --git a/launcher/src/vscode-launcher.ts b/launcher/src/vscode-launcher.ts
index c5402d769ed..f2c6d786495 100644
--- a/launcher/src/vscode-launcher.ts
+++ b/launcher/src/vscode-launcher.ts
@@ -16,8 +16,6 @@ import * as child_process from "child_process";
 import { NODE_EXTRA_CERTIFICATE } from "./node-extra-certificate";
 import { workspaceFilePath } from "./code-workspace";
 
-export const DEFAULT_PROJECTS_DIRECTORY = "/projects";
-
 export class VSCodeLauncher {
   async launch(): Promise<void> {
     console.log("# Launching VS Code...");
diff --git a/launcher/src/webview-resources.ts b/launcher/src/webview-resources.ts
index 511538f5382..f42480f30b6 100644
--- a/launcher/src/webview-resources.ts
+++ b/launcher/src/webview-resources.ts
@@ -13,9 +13,7 @@ import * as fs from "./fs-extra";
 import { FlattenedDevfile } from "./flattened-devfile";
 import { ProductJSON } from "./product-json";
 
-const FILE_WORKBENCH_WEB_MAIN = "out/vs/workbench/workbench.web.main.js";
-const FILE_EXTENSION_HOST_PROCESS =
-  "out/vs/workbench/api/node/extensionHostProcess.js";
+import { FILE_EXTENSION_HOST_PROCESS, FILE_WORKBENCH_WEB_MAIN } from "./files";
 
 export class WebviewResources {
   /*****************************************************************************************************************
diff --git a/launcher/tests/devworkspace-id.spec.ts b/launcher/tests/devworkspace-id.spec.ts
new file mode 100644
index 00000000000..5ba06e68803
--- /dev/null
+++ b/launcher/tests/devworkspace-id.spec.ts
@@ -0,0 +1,63 @@
+/**********************************************************************
+ * Copyright (c) 2023 Red Hat, Inc.
+ *
+ * This program and the accompanying materials are made
+ * available under the terms of the Eclipse Public License 2.0
+ * which is available at https://www.eclipse.org/legal/epl-2.0/
+ *
+ * SPDX-License-Identifier: EPL-2.0
+ ***********************************************************************/
+
+import * as fs from "../src/fs-extra";
+import { env } from "process";
+
+import { DevWorkspaceId } from "../src/devworkspace-id";
+
+const ORIGIN_WORKBENCH_WEB_MAIN = `
+some code, some code, a mask to be replaced https://{{che-cluster}}.{{host}}/{{namespace}}/{{workspace-name}}/{{port}}/, some code
+`;
+
+const NEW_WORKBENCH_WEB_MAIN = `
+some code, some code, a mask to be replaced test-workspace-1234567890, some code
+`;
+
+describe("Test setting DevWorkspace ID to VS Code", () => {
+  beforeEach(() => {
+    delete env.DEVWORKSPACE_ID;
+  });
+
+  test("should return if env.DEVWORKSPACE_ID is not set", async () => {
+    const readFileMock = jest.fn();
+    Object.assign(fs, {
+      readFile: readFileMock,
+    });
+
+    const devWorkspaceId = new DevWorkspaceId();
+    await devWorkspaceId.configure();
+
+    expect(readFileMock).toBeCalledTimes(0);
+  });
+
+  test("should apply env.DEVWORKSPACE_ID", async () => {
+    env.DEVWORKSPACE_ID = "test-workspace-1234567890";
+
+    const readFileMock = jest.fn();
+    const writeFileMock = jest.fn();
+
+    Object.assign(fs, {
+      readFile: readFileMock,
+      writeFile: writeFileMock,
+    });
+
+    readFileMock.mockImplementation(() => ORIGIN_WORKBENCH_WEB_MAIN);
+
+    const devWorkspaceId = new DevWorkspaceId();
+    await devWorkspaceId.configure();
+
+    expect(readFileMock).toBeCalledTimes(1);
+    expect(writeFileMock).toBeCalledWith(
+      "out/vs/workbench/workbench.web.main.js",
+      NEW_WORKBENCH_WEB_MAIN
+    );
+  });
+});
diff --git a/launcher/tests/main.spec.ts b/launcher/tests/main.spec.ts
index 8855304805f..edd61e6c696 100644
--- a/launcher/tests/main.spec.ts
+++ b/launcher/tests/main.spec.ts
@@ -10,6 +10,13 @@
 
 import { Main } from "../src/main";
 
+const setDevWorkspaceIdMock = jest.fn();
+jest.mock("../src/devworkspace-id", () => ({
+  DevWorkspaceId: function () {
+    return { configure: setDevWorkspaceIdMock };
+  },
+}));
+
 const configureOpenVSIXRegistryMock = jest.fn();
 jest.mock("../src/openvsix-registry", () => ({
   OpenVSIXRegistry: function () {
@@ -49,6 +56,7 @@ describe("Test main flow:", () => {
   test("should configure all the stuff", async () => {
     await new Main().start();
 
+    expect(setDevWorkspaceIdMock).toBeCalled();
     expect(configureOpenVSIXRegistryMock).toBeCalled();
     expect(configureWebviewResourcesMock).toBeCalled();
     expect(configureNodeExtraCertificate).toBeCalled();