Add NODE_ENV configuration for production cyf-hosting deployments

org-cyf-guides/content/deploying/cyf/backend/index.md

@@ -55,6 +55,27 @@ If you want to deploy from a branch that isn't `main`, you need to configure thi
 
 ![Configure git branch](customise-branch.png)
 
+## Add NODE_ENV to Your Project
+
+**Required for:** All Node.js projects (anything that has a `package.json` file)
+
+### Steps
+
+1. Click on **"Environment Variables"** in the left sidebar
+2. Click the **"+ Add"** button
+
+![Environment Variables](click_environment_variables.png)
+
+3. Fill in the form:
+   - **Name:** `NODE_ENV`
+   - **Value:** `{{team.NODE_ENV}}`
+   - Make sure **"Available at Build time" is not checked** ❌  
+   - Make sure **"Available at Runtime"** is checked ✅ 
+
+![Fill the new environment variables form](fill_the_form.png)
+
+4. Click **"Save"**
+
 ## Deploying the backend
 
 When everything is configured correctly, press the **Deploy** button:

org-cyf-guides/content/deploying/cyf/frontend/index.md

@@ -53,6 +53,27 @@ If you want to deploy from a branch that isn't `main`, you need to configure thi
 
 ![Configure git branch](customise-branch.png)
 
+## Add NODE_ENV to Your Project
+
+**Required for:** All Node.js projects (anything that has a `package.json` file) 
+
+### Steps
+
+1. Click on **"Environment Variables"** in the left sidebar
+2. Click the **"+ Add"** button
+
+![Environment Variables](click_environment_variables.png)
+
+3. Fill in the form:
+   - **Name:** `NODE_ENV`
+   - **Value:** `{{team.NODE_ENV}}`
+   - Make sure **"Available at Build time" is not checked** ❌  
+   - Make sure **"Available at Runtime"** is checked ✅ 
+
+![Fill the new environment variables form](fill_the_form.png)
+
+4. Click **"Save"**
+
 ## Deploying the frontend
 
 When everything is configured correctly, press the **Deploy** button: