{"id":15577,"date":"2025-11-17T13:35:37","date_gmt":"2025-11-17T13:35:37","guid":{"rendered":"https:\/\/kb.cloudhostgeek.com\/docs\/framework\/node-js\/aritcle3\/"},"modified":"2026-02-09T22:38:54","modified_gmt":"2026-02-09T22:38:54","slug":"how-do-i-configure-environment-variables-in-shared-hosting","status":"publish","type":"docs","link":"https:\/\/www.bigcloudy.com\/knowledge-base\/docs\/framework\/node-js\/how-do-i-configure-environment-variables-in-shared-hosting\/","title":{"rendered":"How Do I Configure Environment Variables in Shared Hosting?"},"content":{"rendered":"\t\t
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Introduction<\/strong><\/h2>

Managing environment variables is essential for running secure and flexible Node.js applications, especially on BigCloudy Node.js hosting<\/strong><\/a>, where direct server access is limited. Environment variables let you store sensitive data, like database credentials, API keys, and app settings\u2014outside your code, keeping your application secure and easier to manage across different environments.<\/p>

In this guide, you\u2019ll learn how to configure and manage environment variables for Node.js applications on BigCloudy using the control panel. We\u2019ll cover how to locate the environment variable settings, add or update variables, and safely access them in your Node.js code. Following these best practices ensures your applications run securely, remain portable across environments, and are ready for production.<\/p>

Whether you\u2019re deploying a new Node.js app or maintaining an existing project, this article will help you confidently manage environment variables on BigCloudy Node.js Hosting<\/strong>.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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What Are Environment Variables?
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Environment variables are\u00a0name-value pairs stored outside your application code<\/b>\u00a0that control how your Node.js app runs. They are used for settings that can change between environments (development, staging, production) without changing code.<\/p><\/div><\/div>

Common Examples:<\/h3><\/div><\/div>
  • NODE_ENV=production\u00a0\u2192 Defines runtime environment.<\/li>
  • DB_HOST,\u00a0DB_USER,\u00a0DB_PASSWORD\u00a0\u2192 Database credentials.<\/li>
  • API_KEY\u00a0\u2192 External service credentials.<\/li>
  • PORT\u00a0\u2192 The port number your Node.js app listens on.<\/li><\/ul><\/div><\/div>

    Note:<\/b>\u00a0Always use environment variables to keep sensitive information out of your code.<\/p><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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    Why Use Environment Variables?
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    • Security:<\/b>\u00a0Prevents credentials from being hardcoded and exposed in version control.<\/li>
    • Flexibility:<\/b>\u00a0Easily switch configurations between dev, staging, and production.<\/li>
    • Portability:<\/b>\u00a0Deploy the same code on multiple servers without modification.<\/li>
    • Shared Hosting Compatibility:<\/b>\u00a0Control panel provides a safe method to set variables for each app without server-level access.<\/li><\/ul><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t
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      Setting Environment Variables in Shared Hosting.
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      Step 1: Open Node.js App Section<\/h3>
      1. Log in to your hosting control panel.<\/li>
      2. Navigate to\u00a0Node.js Apps<\/b>\u00a0or\u00a0Application Management<\/b>.<\/li><\/ol>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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        Step 2: Edit or Create App<\/h3>
        1. Click\u00a0Edit App<\/b>\u00a0or\u00a0Create New Application<\/b>.<\/li>
        2. Locate the\u00a0Environment Variables<\/b>\u00a0section.<\/li><\/ol>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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          Step 3: Add Variables<\/h3>
          1. Enter each variable name and value:<\/li>
          2. Name: DB_HOST<\/li>
          3. Value: localhost<\/li>
          4. Repeat for all required variables.<\/li><\/ol>

            Note:<\/b>\u00a0Use uppercase letters and underscores for readability (e.g.,\u00a0API_KEY).<\/p><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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            Step 4: Save and Restart App<\/h3>
            1. Click\u00a0Apply<\/b>\u00a0or\u00a0Save Changes<\/b>.<\/li>
            2. Restart your Node.js application from the control panel to apply variables.<\/li><\/ol>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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              Using Environment Variables in Node.js Apps
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              1. Install the\u00a0dotenv package<\/b> if your app uses a\u00a0.env\u00a0file:<\/li><\/ol><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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                \n\t\t\t\t\n\t\t\t\t\t# npm install dotenv<\/xmp>\n\t\t\t\t<\/code>\n\t\t\t<\/pre>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-fcb77e2 elementor-widget elementor-widget-text-editor\" data-id=\"fcb77e2\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-21dd5c0e elementor-widget elementor-widget-text-editor\" data-id=\"21dd5c0e\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\"><div class=\"elementor-widget-container\"><p>2. Load environment variables in your app.js or server.js:<\/p><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ef0abe7 elementor-widget elementor-widget-code-highlight\" data-id=\"ef0abe7\" data-element_type=\"widget\" data-widget_type=\"code-highlight.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"prismjs-default copy-to-clipboard \">\n\t\t\t<pre data-line=\"\" class=\"highlight-height language-javascript \">\n\t\t\t\t<code readonly=\"true\" class=\"language-javascript\">\n\t\t\t\t\t<xmp>require('dotenv').config(); \n\nconst port = process.env.PORT || 3000; \nconsole.log(`Server running on port ${port}`);<\/xmp>\n\t\t\t\t<\/code>\n\t\t\t<\/pre>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-754ea1d elementor-widget elementor-widget-text-editor\" data-id=\"754ea1d\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-21dd5c0e elementor-widget elementor-widget-text-editor\" data-id=\"21dd5c0e\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\"><div class=\"elementor-widget-container\"><p>For shared hosting, variables set in the control panel override .env values.<\/p><\/div><\/div><div class=\"elementor-element elementor-element-492860e3 elementor-widget elementor-widget-text-editor\" data-id=\"492860e3\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\"><div class=\"elementor-widget-container\"><p><b>Note:<\/b>\u00a0Always access variables using\u00a0<strong><em>process.env.VARIABLE_NAME.<\/em><\/strong><\/p><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-3b8d9b69 e-con-full e-flex wpr-particle-no wpr-jarallax-no wpr-parallax-no wpr-sticky-section-no e-con e-child\" data-id=\"3b8d9b69\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7960dbb7 elementor-widget elementor-widget-text-editor\" data-id=\"7960dbb7\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h3><b>Best Practices<br \/><\/b><\/h3><ul><li aria-level=\"1\"><b>Do not commit\u00a0<\/b><b>.env<\/b><b>\u00a0files<\/b>\u00a0with sensitive data to Git.<\/li><li aria-level=\"1\"><b>Validate variables<\/b>\u00a0at app startup.<\/li><li aria-level=\"1\"><b>Separate variables<\/b>\u00a0per environment (dev, staging, production).<\/li><li aria-level=\"1\"><b>Use descriptive names<\/b>\u00a0for variables.<\/li><li aria-level=\"1\"><b>Keep sensitive values secure<\/b>\u00a0and avoid exposing them in logs.<\/li><li aria-level=\"1\"><b>Monitor your app<\/b>\u00a0after changing variables to ensure they are applied correctly.<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-208edd64 e-con-full e-flex wpr-particle-no wpr-jarallax-no wpr-parallax-no wpr-sticky-section-no e-con e-child\" data-id=\"208edd64\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-eff42cc elementor-widget elementor-widget-text-editor\" data-id=\"eff42cc\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2><b>Conclusion<\/b><\/h2><div class=\"elementor-element elementor-element-38828fd2 elementor-widget elementor-widget-text-editor\" data-id=\"38828fd2\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\"><div class=\"elementor-widget-container\"><p data-start=\"16\" data-end=\"290\">Environment variables are the standard method for managing configuration and sensitive values in Node.js applications on shared hosting. The hosting control panel allows these variables to be defined per application without changing source code or requiring elevated access.<\/p><p data-start=\"292\" data-end=\"650\" data-is-last-node=\"\" data-is-only-node=\"\">After saving variables, restarting the application ensures they are applied correctly. Using clear variable names, keeping credentials out of version control, and separating values by environment helps maintain predictable behavior and reduces configuration errors. This approach keeps Node.js applications secure and manageable within shared hosting limits.<\/p><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-16f32e3 elementor-widget elementor-widget-text-editor\" data-id=\"16f32e3\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2><b>Need Help?\n<\/b><\/h2>\nIf you require assistance at any point while using this guide, our\u00a0<b>Support Team<\/b>\u00a0is here to help:\n<ul>\n \t<li aria-level=\"1\"><img decoding=\"async\" class=\"emoji\" role=\"img\" draggable=\"false\" src=\"https:\/\/s.w.org\/images\/core\/emoji\/16.0.1\/svg\/1f4e7.svg\" alt=\"email\" \/>\u00a0<b>Email:<\/b>\u00a0support@bigcloudy.com<\/li>\n \t<li aria-level=\"1\"><img decoding=\"async\" class=\"emoji\" role=\"img\" draggable=\"false\" src=\"https:\/\/s.w.org\/images\/core\/emoji\/16.0.1\/svg\/1f310.svg\" alt=\"website\" \/><a style=\"text-decoration: none; color: #a57ef5;\" href=\"https:\/\/www.bigcloudy.com\/contact-us\">\u00a0<b>Submit a support ticket<\/b><\/a><\/li>\n<\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-199db0e7 e-con-full e-flex wpr-particle-no wpr-jarallax-no wpr-parallax-no wpr-sticky-section-no e-con e-child\" data-id=\"199db0e7\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-1a5947dc elementor-widget elementor-widget-text-editor\" data-id=\"1a5947dc\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2><b>FAQ<\/b><\/h2>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1bf4080 elementor-widget elementor-widget-eael-adv-accordion\" data-id=\"1bf4080\" data-element_type=\"widget\" data-widget_type=\"eael-adv-accordion.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t        <div class=\"eael-adv-accordion\" id=\"eael-adv-accordion-1bf4080\" data-scroll-on-click=\"no\" data-scroll-speed=\"300\" data-accordion-id=\"1bf4080\" data-accordion-type=\"accordion\" data-toogle-speed=\"300\">\n    <div class=\"eael-accordion-list\">\n                <div id=\"can-i-store-database-passwords-in-environment-variables\" class=\"elementor-tab-title eael-accordion-header\" tabindex=\"0\" data-tab=\"1\" aria-controls=\"elementor-tab-content-2931\"><span class=\"eael-advanced-accordion-icon-closed\"><svg aria-hidden=\"true\" class=\"fa-accordion-icon e-font-icon-svg e-fas-angle-down\" viewBox=\"0 0 320 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M143 352.3L7 216.3c-9.4-9.4-9.4-24.6 0-33.9l22.6-22.6c9.4-9.4 24.6-9.4 33.9 0l96.4 96.4 96.4-96.4c9.4-9.4 24.6-9.4 33.9 0l22.6 22.6c9.4 9.4 9.4 24.6 0 33.9l-136 136c-9.2 9.4-24.4 9.4-33.8 0z\"><\/path><\/svg><\/span><span class=\"eael-advanced-accordion-icon-opened\"><svg aria-hidden=\"true\" class=\"fa-accordion-icon e-font-icon-svg e-fas-angle-up\" viewBox=\"0 0 320 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M177 159.7l136 136c9.4 9.4 9.4 24.6 0 33.9l-22.6 22.6c-9.4 9.4-24.6 9.4-33.9 0L160 255.9l-96.4 96.4c-9.4 9.4-24.6 9.4-33.9 0L7 329.7c-9.4-9.4-9.4-24.6 0-33.9l136-136c9.4-9.5 24.6-9.5 34-.1z\"><\/path><\/svg><\/span><span class=\"eael-accordion-tab-title\">Can I store database passwords in environment variables?<\/span><\/div><div id=\"elementor-tab-content-2931\" class=\"eael-accordion-content clearfix\" data-tab=\"1\" aria-labelledby=\"can-i-store-database-passwords-in-environment-variables\"><p>Yes, it is the recommended method for security.<\/p><\/div>\n                <\/div><div class=\"eael-accordion-list\">\n                <div id=\"do-environment-variables-work-immediately-after-saving\" class=\"elementor-tab-title eael-accordion-header\" tabindex=\"0\" data-tab=\"2\" aria-controls=\"elementor-tab-content-2932\"><span class=\"eael-advanced-accordion-icon-closed\"><svg aria-hidden=\"true\" class=\"fa-accordion-icon e-font-icon-svg e-fas-angle-down\" viewBox=\"0 0 320 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M143 352.3L7 216.3c-9.4-9.4-9.4-24.6 0-33.9l22.6-22.6c9.4-9.4 24.6-9.4 33.9 0l96.4 96.4 96.4-96.4c9.4-9.4 24.6-9.4 33.9 0l22.6 22.6c9.4 9.4 9.4 24.6 0 33.9l-136 136c-9.2 9.4-24.4 9.4-33.8 0z\"><\/path><\/svg><\/span><span class=\"eael-advanced-accordion-icon-opened\"><svg aria-hidden=\"true\" class=\"fa-accordion-icon e-font-icon-svg e-fas-angle-up\" viewBox=\"0 0 320 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M177 159.7l136 136c9.4 9.4 9.4 24.6 0 33.9l-22.6 22.6c-9.4 9.4-24.6 9.4-33.9 0L160 255.9l-96.4 96.4c-9.4 9.4-24.6 9.4-33.9 0L7 329.7c-9.4-9.4-9.4-24.6 0-33.9l136-136c9.4-9.5 24.6-9.5 34-.1z\"><\/path><\/svg><\/span><span class=\"eael-accordion-tab-title\">Do environment variables work immediately after saving?<\/span><\/div><div id=\"elementor-tab-content-2932\" class=\"eael-accordion-content clearfix\" data-tab=\"2\" aria-labelledby=\"do-environment-variables-work-immediately-after-saving\"><p>You must restart the app in the control panel to apply changes.<\/p><\/div>\n                <\/div><div class=\"eael-accordion-list\">\n                <div id=\"can-i-override-a-env-file-with-control-panel-variables\" class=\"elementor-tab-title eael-accordion-header\" tabindex=\"0\" data-tab=\"3\" aria-controls=\"elementor-tab-content-2933\"><span class=\"eael-advanced-accordion-icon-closed\"><svg aria-hidden=\"true\" class=\"fa-accordion-icon e-font-icon-svg e-fas-angle-down\" viewBox=\"0 0 320 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M143 352.3L7 216.3c-9.4-9.4-9.4-24.6 0-33.9l22.6-22.6c9.4-9.4 24.6-9.4 33.9 0l96.4 96.4 96.4-96.4c9.4-9.4 24.6-9.4 33.9 0l22.6 22.6c9.4 9.4 9.4 24.6 0 33.9l-136 136c-9.2 9.4-24.4 9.4-33.8 0z\"><\/path><\/svg><\/span><span class=\"eael-advanced-accordion-icon-opened\"><svg aria-hidden=\"true\" class=\"fa-accordion-icon e-font-icon-svg e-fas-angle-up\" viewBox=\"0 0 320 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M177 159.7l136 136c9.4 9.4 9.4 24.6 0 33.9l-22.6 22.6c-9.4 9.4-24.6 9.4-33.9 0L160 255.9l-96.4 96.4c-9.4 9.4-24.6 9.4-33.9 0L7 329.7c-9.4-9.4-9.4-24.6 0-33.9l136-136c9.4-9.5 24.6-9.5 34-.1z\"><\/path><\/svg><\/span><span class=\"eael-accordion-tab-title\">Can I override a .env file with control panel variables?<\/span><\/div><div id=\"elementor-tab-content-2933\" class=\"eael-accordion-content clearfix\" data-tab=\"3\" aria-labelledby=\"can-i-override-a-env-file-with-control-panel-variables\"><p>Yes, control panel variables take precedence over .env files.<\/p><\/div>\n                <\/div><div class=\"eael-accordion-list\">\n                <div id=\"what-if-i-need-multiple-environments\" class=\"elementor-tab-title eael-accordion-header\" tabindex=\"0\" data-tab=\"4\" aria-controls=\"elementor-tab-content-2934\"><span class=\"eael-advanced-accordion-icon-closed\"><svg aria-hidden=\"true\" class=\"fa-accordion-icon e-font-icon-svg e-fas-angle-down\" viewBox=\"0 0 320 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M143 352.3L7 216.3c-9.4-9.4-9.4-24.6 0-33.9l22.6-22.6c9.4-9.4 24.6-9.4 33.9 0l96.4 96.4 96.4-96.4c9.4-9.4 24.6-9.4 33.9 0l22.6 22.6c9.4 9.4 9.4 24.6 0 33.9l-136 136c-9.2 9.4-24.4 9.4-33.8 0z\"><\/path><\/svg><\/span><span class=\"eael-advanced-accordion-icon-opened\"><svg aria-hidden=\"true\" class=\"fa-accordion-icon e-font-icon-svg e-fas-angle-up\" viewBox=\"0 0 320 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M177 159.7l136 136c9.4 9.4 9.4 24.6 0 33.9l-22.6 22.6c-9.4 9.4-24.6 9.4-33.9 0L160 255.9l-96.4 96.4c-9.4 9.4-24.6 9.4-33.9 0L7 329.7c-9.4-9.4-9.4-24.6 0-33.9l136-136c9.4-9.5 24.6-9.5 34-.1z\"><\/path><\/svg><\/span><span class=\"eael-accordion-tab-title\">What if I need multiple environments?<\/span><\/div><div id=\"elementor-tab-content-2934\" class=\"eael-accordion-content clearfix\" data-tab=\"4\" aria-labelledby=\"what-if-i-need-multiple-environments\"><p>Create separate Node.js apps for dev\/staging\/prod or use unique variables per app.<\/p><\/div>\n                <\/div><div class=\"eael-accordion-list\">\n                <div id=\"are-there-limits-on-the-number-of-environment-variables\" class=\"elementor-tab-title eael-accordion-header\" tabindex=\"0\" data-tab=\"5\" aria-controls=\"elementor-tab-content-2935\"><span class=\"eael-advanced-accordion-icon-closed\"><svg aria-hidden=\"true\" class=\"fa-accordion-icon e-font-icon-svg e-fas-angle-down\" viewBox=\"0 0 320 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M143 352.3L7 216.3c-9.4-9.4-9.4-24.6 0-33.9l22.6-22.6c9.4-9.4 24.6-9.4 33.9 0l96.4 96.4 96.4-96.4c9.4-9.4 24.6-9.4 33.9 0l22.6 22.6c9.4 9.4 9.4 24.6 0 33.9l-136 136c-9.2 9.4-24.4 9.4-33.8 0z\"><\/path><\/svg><\/span><span class=\"eael-advanced-accordion-icon-opened\"><svg aria-hidden=\"true\" class=\"fa-accordion-icon e-font-icon-svg e-fas-angle-up\" viewBox=\"0 0 320 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M177 159.7l136 136c9.4 9.4 9.4 24.6 0 33.9l-22.6 22.6c-9.4 9.4-24.6 9.4-33.9 0L160 255.9l-96.4 96.4c-9.4 9.4-24.6 9.4-33.9 0L7 329.7c-9.4-9.4-9.4-24.6 0-33.9l136-136c9.4-9.5 24.6-9.5 34-.1z\"><\/path><\/svg><\/span><span class=\"eael-accordion-tab-title\">Are there limits on the number of environment variables?<\/span><\/div><div id=\"elementor-tab-content-2935\" class=\"eael-accordion-content clearfix\" data-tab=\"5\" aria-labelledby=\"are-there-limits-on-the-number-of-environment-variables\"><p>Limits depend on the hosting provider, but typically 20\u201350 variables are allowed per app.<\/p><\/div>\n                <\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Introduction Managing environment variables is essential for running secure and flexible Node.js applications, especially on BigCloudy Node.js hosting, where direct server access is limited. Environment variables let you store sensitive data, like database credentials, API keys, and app settings\u2014outside your code, keeping your application secure and easier to manage across different environments. In this guide, you\u2019ll learn how to configure and manage environment variables for Node.js applications on BigCloudy using the control panel. We\u2019ll cover how to locate the environment variable settings, add or update variables, and safely access them in your Node.js code. Following these best practices ensures your applications run securely, remain portable across environments, and are ready for production. Whether you\u2019re deploying a new Node.js app or maintaining an existing project, this article will help you confidently manage environment variables on BigCloudy Node.js Hosting. What Are Environment Variables? Environment variables are\u00a0name-value pairs stored outside your application code\u00a0that control how your Node.js app runs. They are used for settings that can change between environments (development, staging, production) without changing code. Common Examples: NODE_ENV=production\u00a0\u2192 Defines runtime environment. DB_HOST,\u00a0DB_USER,\u00a0DB_PASSWORD\u00a0\u2192 Database credentials. API_KEY\u00a0\u2192 External service credentials. PORT\u00a0\u2192 The port number your Node.js app listens on. Note:\u00a0Always use environment variables to keep sensitive information out of your code. Why Use Environment Variables? Security:\u00a0Prevents credentials from being hardcoded and exposed in version control. Flexibility:\u00a0Easily switch configurations between dev, staging, and production. Portability:\u00a0Deploy the same code on multiple servers without modification. Shared Hosting Compatibility:\u00a0Control panel provides a safe method to set variables for each app without server-level access. Setting Environment Variables in Shared Hosting. Step 1: Open Node.js App Section Log in to your hosting control panel. Navigate to\u00a0Node.js Apps\u00a0or\u00a0Application Management. Step 2: Edit or Create App Click\u00a0Edit App\u00a0or\u00a0Create New Application. Locate the\u00a0Environment Variables\u00a0section. Step 3: Add Variables Enter each variable name and value: Name: DB_HOST Value: localhost Repeat for all required variables. Note:\u00a0Use uppercase letters and underscores for readability (e.g.,\u00a0API_KEY). Step 4: Save and Restart App Click\u00a0Apply\u00a0or\u00a0Save Changes. Restart your Node.js application from the control panel to apply variables. Using Environment Variables in Node.js Apps Install the\u00a0dotenv package if your app uses a\u00a0.env\u00a0file: # npm install dotenv 2. Load environment variables in your app.js or server.js: require(&#8216;dotenv&#8217;).config(); const port = process.env.PORT || 3000; console.log(`Server running on port ${port}`); For shared hosting, variables set in the control panel override .env values. Note:\u00a0Always access variables using\u00a0process.env.VARIABLE_NAME. Best Practices Do not commit\u00a0.env\u00a0files\u00a0with sensitive data to Git. Validate variables\u00a0at app startup. Separate variables\u00a0per environment (dev, staging, production). Use descriptive names\u00a0for variables. Keep sensitive values secure\u00a0and avoid exposing them in logs. Monitor your app\u00a0after changing variables to ensure they are applied correctly. Conclusion Environment variables are the standard method for managing configuration and sensitive values in Node.js applications on shared hosting. The hosting control panel allows these variables to be defined per application without changing source code or requiring elevated access. After saving variables, restarting the application ensures they are applied correctly. Using clear variable names, keeping credentials out of version control, and separating values by environment helps maintain predictable behavior and reduces configuration errors. This approach keeps Node.js applications secure and manageable within shared hosting limits. Need Help? If you require assistance at any point while using this guide, our\u00a0Support Team\u00a0is here to help: \u00a0Email:\u00a0support@bigcloudy.com \u00a0Submit a support ticket FAQ Can I store database passwords in environment variables? Yes, it is the recommended method for security. Do environment variables work immediately after saving? You must restart the app in the control panel to apply changes. Can I override a .env file with control panel variables? Yes, control panel variables take precedence over .env files. What if I need multiple environments? Create separate Node.js apps for dev\/staging\/prod or use unique variables per app. Are there limits on the number of environment variables? Limits depend on the hosting provider, but typically 20\u201350 variables are allowed per app.<\/p>\n","protected":false},"author":13,"featured_media":0,"parent":15565,"menu_order":3,"comment_status":"open","ping_status":"closed","template":"","doc_tag":[],"class_list":["post-15577","docs","type-docs","status-publish","hentry","no-post-thumbnail"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.7 (Yoast SEO v26.8) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Set Environment Variables in Node.js cPanel Step-by-Step<\/title>\n<meta name=\"description\" content=\"Learn how to set environment variables in Node.js cPanel for secure and flexible application management on BigCloudy hosting.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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