diff --git a/apps/common/features/.gitignore b/apps/common/features/.gitignore
index e8d8437ee..b660a552e 100644
--- a/apps/common/features/.gitignore
+++ b/apps/common/features/.gitignore
@@ -37,4 +37,5 @@ yarn-error.log*
 *.tsbuildinfo
 next-env.d.ts
 
-.env*
\ No newline at end of file
+.env*
+__ENV__.js
\ No newline at end of file
diff --git a/apps/common/features/cli.js b/apps/common/features/cli.js
new file mode 100644
index 000000000..9f165f497
--- /dev/null
+++ b/apps/common/features/cli.js
@@ -0,0 +1,44 @@
+import { findUp } from "find-up";
+import { config } from "dotenv";
+import fs from "fs";
+import yargs from "yargs";
+import { hideBin } from "yargs/helpers";
+
+async function parseDotenv(nodeEnv) {
+  const envFilePath = await findUp(`.env.${nodeEnv}`);
+
+  const parsedEnv = config({ path: envFilePath }).parsed || {};
+
+  return parsedEnv;
+}
+
+function writeEnv(parsedEnv) {
+  const scriptFilePath = `${fs.realpathSync(process.cwd())}/public/__ENV__.js`;
+
+  fs.writeFileSync(
+    scriptFilePath,
+    `window.__ENV__ = ${JSON.stringify(parsedEnv)}`,
+  );
+}
+
+yargs(hideBin(process.argv))
+  .command(
+    "next-env",
+    "Create Next.js runtime environment js",
+    function builder(y) {
+      return y.option("env", {
+        alias: "e",
+        type: "string",
+        description: "Environment name(ex: development, production)",
+      });
+    },
+    async function handler(args) {
+      const nodeEnv = args.e || args.env || "development";
+
+      const parsedEnv = await parseDotenv(nodeEnv); // dotenv 파싱
+      writeEnv(parsedEnv); // 환경 변수 스크립트 파일 생성
+
+      return parsedEnv;
+    },
+  )
+  .parse();
diff --git a/apps/common/features/package.json b/apps/common/features/package.json
index 64051045c..8b62e9ffa 100644
--- a/apps/common/features/package.json
+++ b/apps/common/features/package.json
@@ -1,11 +1,12 @@
 {
   "name": "features",
   "version": "0.1.0",
+  "type": "module",
   "private": true,
   "scripts": {
-    "dev": "next dev -p 13000",
+    "dev": "node cli.js next-env -e ${NODE_ENV:-development} && next dev -p 13000",
     "build": "next build",
-    "start": "next start -p 13000",
+    "start": "node cli.js next-env -e ${NODE_ENV:-production} && next start -p 13000",
     "lint": "next lint"
   },
   "dependencies": {
@@ -27,6 +28,8 @@
     "axios": "^1.8.1",
     "chart.js": "^4.4.8",
     "dayjs": "^1.11.13",
+    "dotenv": "^17.2.1",
+    "find-up": "^7.0.0",
     "js-cookie": "^3.0.5",
     "next": "15.3.0",
     "next-themes": "^0.4.6",
@@ -44,6 +47,7 @@
     "@types/js-cookie": "^3.0.6",
     "@types/node": "^22.13.1",
     "@types/webpack": "^5.28.5",
+    "@types/yargs": "^17.0.33",
     "eslint": "^9",
     "eslint-config-next": "15.1.7",
     "postcss": "^8",
diff --git a/apps/common/features/src/app/index.tsx b/apps/common/features/src/app/index.tsx
index 692b55ef0..eb6e75d00 100644
--- a/apps/common/features/src/app/index.tsx
+++ b/apps/common/features/src/app/index.tsx
@@ -4,12 +4,16 @@ import "@fontsource-variable/noto-sans-kr";
 
 import { AppProvider } from "./providers";
 import { cookies } from "next/headers";
+import Script from "next/script";
 
 const App = async ({ children }: Readonly<{ children: React.ReactNode }>) => {
   const theme = (await cookies()).get("site-theme-key");
 
   return (
     <html lang="ko" data-theme={theme?.value}>
+      <head>
+        <Script src="/__ENV__.js" strategy="beforeInteractive" />
+      </head>
       <body>
         <AppProvider>{children}</AppProvider>
       </body>
diff --git a/apps/common/features/src/shared/config/api.ts b/apps/common/features/src/shared/config/api.ts
index 67b8948d7..df4c0da7d 100644
--- a/apps/common/features/src/shared/config/api.ts
+++ b/apps/common/features/src/shared/config/api.ts
@@ -1,6 +1,10 @@
-import { PROXY_HOST } from "./env";
+"use client";
 
-export const BASE_URL = `${PROXY_HOST}/server`;
+import { getCookie, getEnv } from "../lib";
+
+const SITE_ID = getCookie("site-id-key") ?? "";
+const PROXY_HOST_KEY = `NEXT_PUBLIC_PROXY_HOST_${SITE_ID}`;
+export const BASE_URL = `${getEnv(PROXY_HOST_KEY)}/server`;
 
 export const ENDPOINT = {
   ATTACH_SERVICE: {
diff --git a/apps/common/features/src/shared/lib/env.ts b/apps/common/features/src/shared/lib/env.ts
new file mode 100644
index 000000000..4ad7ad5a2
--- /dev/null
+++ b/apps/common/features/src/shared/lib/env.ts
@@ -0,0 +1,14 @@
+declare global {
+  interface Window {
+    __ENV__?: Record<string, string>;
+  }
+}
+
+export function getEnvConfig(): Record<string, string> {
+  if (typeof window === "undefined") return {};
+  return window.__ENV__ ?? {};
+}
+
+export function getEnv(key: string): string | undefined {
+  return getEnvConfig()[key];
+}
diff --git a/apps/common/features/src/shared/lib/index.ts b/apps/common/features/src/shared/lib/index.ts
index 42ec7d509..82bb6c8b7 100644
--- a/apps/common/features/src/shared/lib/index.ts
+++ b/apps/common/features/src/shared/lib/index.ts
@@ -3,3 +3,4 @@ export { useAlertStore } from "./use-alert-store";
 export { useMenuStore } from "./use-menu-store";
 export { useUserStore } from "./use-user-store";
 export { usePrompt } from "./use-prompt";
+export { getEnv } from "./env";
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 76097f586..4a42eb7a0 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -247,6 +247,12 @@ importers:
       dayjs:
         specifier: ^1.11.13
         version: 1.11.13
+      dotenv:
+        specifier: ^17.2.1
+        version: 17.2.1
+      find-up:
+        specifier: ^7.0.0
+        version: 7.0.0
       js-cookie:
         specifier: ^3.0.5
         version: 3.0.5
@@ -274,6 +280,9 @@ importers:
       tus-js-client:
         specifier: ^4.3.1
         version: 4.3.1
+      yargs:
+        specifier: ^18.0.0
+        version: 18.0.0
       zod:
         specifier: ^3.24.2
         version: 3.24.2
@@ -293,6 +302,9 @@ importers:
       '@types/webpack':
         specifier: ^5.28.5
         version: 5.28.5
+      '@types/yargs':
+        specifier: ^17.0.33
+        version: 17.0.33
       eslint:
         specifier: ^9
         version: 9.21.0
@@ -4898,6 +4910,16 @@ packages:
       - webpack-cli
     dev: true
 
+  /@types/yargs-parser@21.0.3:
+    resolution: {integrity: sha512-I4q9QU9MQv4oEOz4tAHJtNz1cwuLxn2F3xcc2iV5WdqLPpUnj30aUuxt1mAxYTG+oe8CZMV/+6rU4S4gRDzqtQ==}
+    dev: true
+
+  /@types/yargs@17.0.33:
+    resolution: {integrity: sha512-WpxBCKWPLr4xSsHgz511rFJAM+wS28w2zEO1QDNY5zM/S8ok70NNfztH0xwhqKyaK0OHCbN98LDAZuy1ctxDkA==}
+    dependencies:
+      '@types/yargs-parser': 21.0.3
+    dev: true
+
   /@typescript-eslint/eslint-plugin@8.25.0(@typescript-eslint/parser@8.25.0)(eslint@9.21.0)(typescript@5.6.3):
     resolution: {integrity: sha512-VM7bpzAe7JO/BFf40pIT1lJqS/z1F8OaSsUB3rpFJucQA4cOSuH2RVVVkFULN+En0Djgr29/jb4EQnedUo95KA==}
     engines: {node: ^18.18.0 || ^20.9.0 || >=21.1.0}
@@ -5747,6 +5769,15 @@ packages:
       wrap-ansi: 7.0.0
     dev: true
 
+  /cliui@9.0.1:
+    resolution: {integrity: sha512-k7ndgKhwoQveBL+/1tqGJYNz097I7WOvwbmmU2AR5+magtbjPWQTS1C5vzGkBC8Ym8UWRzfKUzUUqFLypY4Q+w==}
+    engines: {node: '>=20'}
+    dependencies:
+      string-width: 7.2.0
+      strip-ansi: 7.1.0
+      wrap-ansi: 9.0.0
+    dev: false
+
   /clsx@2.1.1:
     resolution: {integrity: sha512-eYm0QWBtUrBWZWG0d386OGAw16Z995PiOVo2B7bjWSbHedGl5e0ZWaq65kOGgUSNesEIDkB9ISbTg/JK9dhCZA==}
     engines: {node: '>=6'}
@@ -6236,6 +6267,11 @@ packages:
       csstype: 3.1.3
     dev: false
 
+  /dotenv@17.2.1:
+    resolution: {integrity: sha512-kQhDYKZecqnM0fCnzI5eIv5L4cAe/iRI+HqMbO/hbRdTAeXDG+M9FjipUxNfbARuEg4iHIbhnhs78BCHNbSxEQ==}
+    engines: {node: '>=12'}
+    dev: false
+
   /dunder-proto@1.0.1:
     resolution: {integrity: sha512-KIN/nDJBQRcXw0MLVhZE9iQHmG68qAVIBg9CqmUYjmQIhgij9U5MFvrqkUL5FbtyyzZuOeOt0zdeRe4UY7ct+A==}
     engines: {node: '>= 0.4'}
@@ -6289,6 +6325,10 @@ packages:
     resolution: {integrity: sha512-SjWyZBHJPbqxHOzckOfo8lHisEaJWmwd23XppYFYVh10bU66/Pn5tkVkbkCMZVdbUE5eTCI2nD8OyIP4Z+uwkA==}
     dev: false
 
+  /emoji-regex@10.4.0:
+    resolution: {integrity: sha512-EC+0oUMY1Rqm4O6LLrgjtYDvcVYTy7chDnM4Q7030tP4Kwj3u/pR6gP9ygnp2CJMK5Gq+9Q2oqmrFJAz01DXjw==}
+    dev: false
+
   /emoji-regex@8.0.0:
     resolution: {integrity: sha512-MSjYzcWNOA0ewAHpz0MxpYFvwg6yjy1NG3xteoqz644VCo/RPgnr1/GGt+ic3iJTzQ8Eu3TdM14SawnVUmGE6A==}
 
@@ -7015,6 +7055,15 @@ packages:
       path-exists: 4.0.0
     dev: true
 
+  /find-up@7.0.0:
+    resolution: {integrity: sha512-YyZM99iHrqLKjmt4LJDj58KI+fYyufRLBSYcqycxf//KpBk9FoewoGX0450m9nB44qrZnovzC2oeP5hUibxc/g==}
+    engines: {node: '>=18'}
+    dependencies:
+      locate-path: 7.2.0
+      path-exists: 5.0.0
+      unicorn-magic: 0.1.0
+    dev: false
+
   /flat-cache@4.0.1:
     resolution: {integrity: sha512-f7ccFPK3SXFHpx15UIGyRJ/FJQctuKZ0zVuN3frBo4HnK3cay9VEW0R6yPYFHC0AgqhukPzKjq22t5DmAyqGyw==}
     engines: {node: '>=16'}
@@ -7148,6 +7197,11 @@ packages:
     resolution: {integrity: sha512-DyFP3BM/3YHTQOCUL/w0OZHR0lpKeGrxotcHWcqNEdnltqFwXVfhEBQ94eIo34AfQpo0rGki4cyIiftY06h2Fg==}
     engines: {node: 6.* || 8.* || >= 10.*}
 
+  /get-east-asian-width@1.3.0:
+    resolution: {integrity: sha512-vpeMIQKxczTD/0s2CdEWHcb0eeJe6TFjxb+J5xgX7hScxqrGuyjmv4c1D4A/gelKfyox0gJJwIHF+fLjeaM8kQ==}
+    engines: {node: '>=18'}
+    dev: false
+
   /get-intrinsic@1.3.0:
     resolution: {integrity: sha512-9fSjSaos/fRIVIp+xSJlE6lfwhES7LNtKaCBIamHsjr2na1BiABJPo0mOjjz8GJDURarmCPGqaiVg5mfjb98CQ==}
     engines: {node: '>= 0.4'}
@@ -7968,6 +8022,13 @@ packages:
       p-locate: 5.0.0
     dev: true
 
+  /locate-path@7.2.0:
+    resolution: {integrity: sha512-gvVijfZvn7R+2qyPX8mAuKcFGDf6Nc61GdvGafQsHL0sBIxfKzA+usWn4GFC/bk+QdwPUD4kWFJLhElipq+0VA==}
+    engines: {node: ^12.20.0 || ^14.13.1 || >=16.0.0}
+    dependencies:
+      p-locate: 6.0.0
+    dev: false
+
   /lodash-es@4.17.21:
     resolution: {integrity: sha512-mKnC+QJ9pWVzv+C4/U3rRsHapFfHvQFoFB92e52xeyGMcX6/OlIl78je1u8vePzYZSkkogMPJ2yjxxsb89cxyw==}
     dev: true
@@ -8486,6 +8547,13 @@ packages:
       yocto-queue: 0.1.0
     dev: true
 
+  /p-limit@4.0.0:
+    resolution: {integrity: sha512-5b0R4txpzjPWVw/cXXUResoD4hb6U/x9BH08L7nw+GN1sezDzPdxeRvpc9c433fZhBan/wusjbCsqwqm4EIBIQ==}
+    engines: {node: ^12.20.0 || ^14.13.1 || >=16.0.0}
+    dependencies:
+      yocto-queue: 1.2.1
+    dev: false
+
   /p-locate@4.1.0:
     resolution: {integrity: sha512-R79ZZ/0wAxKGu3oYMlz8jy/kbhsNrS7SKZ7PxEHBgJ5+F2mtFW2fK2cOtBh1cHYkQsbzFV7I+EoRKe6Yt0oK7A==}
     engines: {node: '>=8'}
@@ -8500,6 +8568,13 @@ packages:
       p-limit: 3.1.0
     dev: true
 
+  /p-locate@6.0.0:
+    resolution: {integrity: sha512-wPrq66Llhl7/4AGC6I+cqxT07LhXvWL08LNXz1fENOw0Ap4sRZZ/gZpTTJ5jpurzzzfS2W/Ge9BY3LgLjCShcw==}
+    engines: {node: ^12.20.0 || ^14.13.1 || >=16.0.0}
+    dependencies:
+      p-limit: 4.0.0
+    dev: false
+
   /p-try@2.2.0:
     resolution: {integrity: sha512-R4nPAVTAU0B9D35/Gk3uJf/7XYbQcyohSKdvAxIRSNghFl4e71hVoGnBNQz9cWaXxO2I10KTC+3jMdvvoKw6dQ==}
     engines: {node: '>=6'}
@@ -8541,6 +8616,11 @@ packages:
     resolution: {integrity: sha512-ak9Qy5Q7jYb2Wwcey5Fpvg2KoAc/ZIhLSLOSBmRmygPsGwkVVt0fZa0qrtMz+m6tJTAHfZQ8FnmB4MG4LWy7/w==}
     engines: {node: '>=8'}
 
+  /path-exists@5.0.0:
+    resolution: {integrity: sha512-RjhtfwJOxzcFmNOi6ltcbcu4Iu+FL3zEj83dk4kAS+fVpTxXLO1b38RvJgT/0QwvV/L3aY9TAnyv0EOqW4GoMQ==}
+    engines: {node: ^12.20.0 || ^14.13.1 || >=16.0.0}
+    dev: false
+
   /path-key@3.1.1:
     resolution: {integrity: sha512-ojmeN0qd+y0jszEtoY48r0Peq5dwMEkIlCOu6Q5f41lfkswXuKtYrhgoTpLnyIcHm24Uhqx+5Tqm2InSwLhE6Q==}
     engines: {node: '>=8'}
@@ -9812,6 +9892,15 @@ packages:
       emoji-regex: 9.2.2
       strip-ansi: 7.1.0
 
+  /string-width@7.2.0:
+    resolution: {integrity: sha512-tsaTIkKW9b4N+AEj+SVA+WhJzV7/zMhcSu78mLKWSk7cXMOSHsBKFWUs0fWwq8QyK3MgJBQRX6Gbi4kYbdvGkQ==}
+    engines: {node: '>=18'}
+    dependencies:
+      emoji-regex: 10.4.0
+      get-east-asian-width: 1.3.0
+      strip-ansi: 7.1.0
+    dev: false
+
   /string.prototype.includes@2.0.1:
     resolution: {integrity: sha512-o7+c9bW6zpAdJHTtujeePODAhkuicdAryFsfVKwA+wGw89wJ4GTY484WTucM9hLtDEOpOvI+aHnzqnC5lHp4Rg==}
     engines: {node: '>= 0.4'}
@@ -10400,6 +10489,11 @@ packages:
   /undici-types@6.20.0:
     resolution: {integrity: sha512-Ny6QZ2Nju20vw1SRHe3d9jVu6gJ+4e3+MMpqu7pqE5HT6WsTSlce++GQmK5UXS8mzV8DSYHrQH+Xrf2jVcuKNg==}
 
+  /unicorn-magic@0.1.0:
+    resolution: {integrity: sha512-lRfVq8fE8gz6QMBuDM6a+LO3IAzTi05H6gCVaUpir2E1Rwpo4ZUog45KpNXKC/Mn3Yb9UDuHumeFTo9iV/D9FQ==}
+    engines: {node: '>=18'}
+    dev: false
+
   /unicorn-magic@0.3.0:
     resolution: {integrity: sha512-+QBBXBCvifc56fsbuxZQ6Sic3wqqc3WWaqxs58gvJrcOuN83HGTCwz3oS5phzU9LthRNE9VrJCFCLUgHeeFnfA==}
     engines: {node: '>=18'}
@@ -10848,6 +10942,15 @@ packages:
       string-width: 5.1.2
       strip-ansi: 7.1.0
 
+  /wrap-ansi@9.0.0:
+    resolution: {integrity: sha512-G8ura3S+3Z2G+mkgNRq8dqaFZAuxfsxpBB8OCTGRTCtp+l/v9nbFNmCUP1BZMts3G1142MsZfn6eeUKrr4PD1Q==}
+    engines: {node: '>=18'}
+    dependencies:
+      ansi-styles: 6.2.1
+      string-width: 7.2.0
+      strip-ansi: 7.1.0
+    dev: false
+
   /ws@8.18.1:
     resolution: {integrity: sha512-RKW2aJZMXeMxVpnZ6bck+RswznaxmzdULiBr6KY7XkTnW8uvt0iT9H5DkHUChXrc+uurzwa0rVI16n/Xzjdz1w==}
     engines: {node: '>=10.0.0'}
@@ -10895,7 +10998,6 @@ packages:
   /y18n@5.0.8:
     resolution: {integrity: sha512-0pfFzegeDWJHJIAmTLRP2DwHjdF5s7jo9tuztdQxAhINCdvS+3nGINqPd00AphqJR/0LhANUS6/+7SCb98YOfA==}
     engines: {node: '>=10'}
-    dev: true
 
   /yallist@3.1.1:
     resolution: {integrity: sha512-a4UGQaWPH59mOXUYnAG2ewncQS4i4F43Tv3JoAM+s2VDAmS9NsK8GpDMLrCHPksFT7h3K6TOoUNn2pb7RoXx4g==}
@@ -10924,6 +11026,11 @@ packages:
     engines: {node: '>=12'}
     dev: true
 
+  /yargs-parser@22.0.0:
+    resolution: {integrity: sha512-rwu/ClNdSMpkSrUb+d6BRsSkLUq1fmfsY6TOpYzTwvwkg1/NRG85KBy3kq++A8LKQwX6lsu+aWad+2khvuXrqw==}
+    engines: {node: ^20.19.0 || ^22.12.0 || >=23}
+    dev: false
+
   /yargs@15.4.1:
     resolution: {integrity: sha512-aePbxDmcYW++PaqBsJ+HYUFwCdv4LVvdnhBy78E57PIor8/OVvhMrADFFEDh8DHDFRv/O9i3lPhsENjO7QX0+A==}
     engines: {node: '>=8'}
@@ -10954,11 +11061,28 @@ packages:
       yargs-parser: 21.1.1
     dev: true
 
+  /yargs@18.0.0:
+    resolution: {integrity: sha512-4UEqdc2RYGHZc7Doyqkrqiln3p9X2DZVxaGbwhn2pi7MrRagKaOcIKe8L3OxYcbhXLgLFUS3zAYuQjKBQgmuNg==}
+    engines: {node: ^20.19.0 || ^22.12.0 || >=23}
+    dependencies:
+      cliui: 9.0.1
+      escalade: 3.2.0
+      get-caller-file: 2.0.5
+      string-width: 7.2.0
+      y18n: 5.0.8
+      yargs-parser: 22.0.0
+    dev: false
+
   /yocto-queue@0.1.0:
     resolution: {integrity: sha512-rVksvsnNCdJ/ohGc6xgPwyN8eheCxsiLM8mxuE/t/mOVqJewPuO1miLpTHQiRgTKCLexL4MeAFVagts7HmNZ2Q==}
     engines: {node: '>=10'}
     dev: true
 
+  /yocto-queue@1.2.1:
+    resolution: {integrity: sha512-AyeEbWOu/TAXdxlV9wmGcR0+yh2j3vYPGOECcIj2S7MkrLyC7ne+oye2BKTItt0ii2PHk4cDy+95+LshzbXnGg==}
+    engines: {node: '>=12.20'}
+    dev: false
+
   /zod-validation-error@3.4.0(zod@3.24.2):
     resolution: {integrity: sha512-ZOPR9SVY6Pb2qqO5XHt+MkkTRxGXb4EVtnjc9JpXUOtUB1T9Ru7mZOT361AN3MsetVe7R0a1KZshJDZdgp9miQ==}
     engines: {node: '>=18.0.0'}