diff --git a/packages/shared-db/package.json b/packages/shared-db/package.json
index 0ea29837..50075858 100644
--- a/packages/shared-db/package.json
+++ b/packages/shared-db/package.json
@@ -10,7 +10,9 @@
     "db:migrate": "pnpm exec drizzle-kit migrate",
     "db:studio": "pnpm exec drizzle-kit studio",
     "seed:dev": "bun ./scripts/seed-dev.ts",
-    "seed:remote": "bun ./scripts/seed-remote.ts"
+    "seed:remote": "bun ./scripts/seed-remote.ts",
+    "overwrite-vars:up": "bun run ./scripts/overwrite-vars.ts up",
+    "overwrite-vars:down": "bun run ./scripts/overwrite-vars.ts down"
   },
   "dependencies": {
     "async-retry": "^1.3.3",
@@ -27,8 +29,9 @@
     "dotenv": "^16.5.0",
     "drizzle-kit": "^0.31.1",
     "eslint": "^9.28.0",
-    "typescript": "^5.8.3",
-    "pg": "^8.15.6"
+    "pg": "^8.15.6",
+    "pg-connection-string": "^2.9.0",
+    "typescript": "^5.8.3"
   },
   "peerDependencies": {
     "drizzle-orm": "^0.43.1",
diff --git a/packages/shared-db/scripts/overwrite-vars.ts b/packages/shared-db/scripts/overwrite-vars.ts
new file mode 100644
index 00000000..20dd7532
--- /dev/null
+++ b/packages/shared-db/scripts/overwrite-vars.ts
@@ -0,0 +1,87 @@
+import * as dotenv from "dotenv";
+import { sql } from "drizzle-orm";
+import { drizzle, type NodePgDatabase } from "drizzle-orm/node-postgres";
+import * as path from "path";
+import { Client } from "pg";
+import { feeds } from "../src/schema/feeds";
+
+dotenv.config({ path: path.resolve(__dirname, "../.env") });
+
+// Define your list of transformations
+const replacements = [{ oldValue: "OLD", newValue: "{{NEW}}" }];
+
+async function performUpOperation(db: NodePgDatabase) {
+  for (const { oldValue, newValue } of replacements) {
+    console.log(`Applying replacement: "${oldValue}" -> "${newValue}"`);
+    await db.execute(sql`
+        UPDATE ${feeds}
+        SET
+            config = REPLACE(config::text, ${oldValue}, ${newValue})::jsonb
+        WHERE
+            config::text LIKE ${`%${oldValue}%`};
+      `);
+  }
+  console.log("All JSONB string replacements applied.");
+}
+
+async function performDownOperation(db: NodePgDatabase) {
+  for (let i = replacements.length - 1; i >= 0; i--) {
+    const { oldValue, newValue } = replacements[i];
+    console.log(`Reverting replacement: "${newValue}" -> "${oldValue}"`);
+    await db.execute(sql`
+        UPDATE ${feeds}
+        SET
+            config = REPLACE(config::text, ${newValue}, ${oldValue})::jsonb
+        WHERE
+            config::text LIKE ${`%${newValue}%`};
+      `);
+  }
+  console.log("All JSONB string replacements reverted.");
+}
+
+async function main() {
+  const databaseUrl = process.env.DATABASE_URL;
+  if (!databaseUrl) {
+    console.error("Error: DATABASE_URL environment variable is required.");
+    process.exit(1);
+  }
+
+  const operation = process.argv[2];
+  if (operation !== "up" && operation !== "down") {
+    console.error(
+      "Error: Please specify 'up' or 'down' as a command line argument.",
+    );
+    console.log(
+      "Usage: bun run packages/shared-db/scripts/overwrite-vars.ts <up|down>",
+    );
+    process.exit(1);
+  }
+
+  const dbClient = new Client({ connectionString: databaseUrl });
+
+  try {
+    console.log(`Connecting to remote database specified by DATABASE_URL...`);
+    await dbClient.connect();
+    const dbInstance = drizzle(dbClient);
+
+    if (operation === "up") {
+      console.log("Running UP operation...");
+      await performUpOperation(dbInstance);
+    } else {
+      // operation === 'down'
+      console.log("Running DOWN operation...");
+      await performDownOperation(dbInstance);
+    }
+    console.log(`Operation '${operation}' completed successfully.`);
+  } catch (error) {
+    console.error(`Error during '${operation}' operation:`, error);
+    process.exit(1);
+  } finally {
+    if (dbClient) {
+      console.log("Closing database connection.");
+      await dbClient.end();
+    }
+  }
+}
+
+main();
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 0424da0b..d842a94a 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -119,13 +119,13 @@ importers:
     devDependencies:
       '@module-federation/node':
         specifier: ^2.6.30
-        version: 2.6.33(@rspack/core@1.2.8(@swc/helpers@0.5.17))(react-dom@18.3.1(react@18.3.1))(react@18.3.1)(typescript@5.8.3)(webpack@5.99.7(esbuild@0.25.5))
+        version: 2.6.33(@rspack/core@1.2.8(@swc/helpers@0.5.17))(react-dom@18.3.1(react@18.3.1))(react@18.3.1)(typescript@5.8.3)(webpack@5.99.7)
       '@rspack/binding':
         specifier: 1.2.8
         version: 1.2.8
       '@rspack/cli':
         specifier: 1.2.8
-        version: 1.2.8(@rspack/core@1.2.8(@swc/helpers@0.5.17))(@types/express@4.17.21)(webpack@5.99.7(esbuild@0.25.5))
+        version: 1.2.8(@rspack/core@1.2.8(@swc/helpers@0.5.17))(@types/express@4.17.22)(webpack@5.99.7)
       '@rspack/core':
         specifier: 1.2.8
         version: 1.2.8(@swc/helpers@0.5.17)
@@ -403,7 +403,7 @@ importers:
     devDependencies:
       '@rspack/cli':
         specifier: 1.2.8
-        version: 1.2.8(@rspack/core@1.2.8(@swc/helpers@0.5.17))(@types/express@4.17.22)(webpack@5.99.7)
+        version: 1.2.8(@rspack/core@1.2.8(@swc/helpers@0.5.17))(@types/express@4.17.21)(webpack@5.99.7(esbuild@0.25.5))
       '@rspack/core':
         specifier: 1.2.8
         version: 1.2.8(@swc/helpers@0.5.17)
@@ -425,6 +425,9 @@ importers:
       pg:
         specifier: ^8.15.6
         version: 8.15.6
+      pg-connection-string:
+        specifier: ^2.9.0
+        version: 2.9.0
       typescript:
         specifier: ^5.8.3
         version: 5.8.3
@@ -7075,7 +7078,7 @@ snapshots:
       - supports-color
       - utf-8-validate
 
-  '@module-federation/enhanced@0.11.4(@rspack/core@1.2.8(@swc/helpers@0.5.17))(react-dom@18.3.1(react@18.3.1))(react@18.3.1)(typescript@5.8.3)(webpack@5.99.7(esbuild@0.25.5))':
+  '@module-federation/enhanced@0.11.4(@rspack/core@1.2.8(@swc/helpers@0.5.17))(react-dom@18.3.1(react@18.3.1))(react@18.3.1)(typescript@5.8.3)(webpack@5.99.7)':
     dependencies:
       '@module-federation/bridge-react-webpack-plugin': 0.11.4
       '@module-federation/cli': 0.11.4(typescript@5.8.3)
@@ -7092,7 +7095,7 @@ snapshots:
       upath: 2.0.1
     optionalDependencies:
       typescript: 5.8.3
-      webpack: 5.99.7(esbuild@0.25.5)
+      webpack: 5.99.7
     transitivePeerDependencies:
       - '@rspack/core'
       - bufferutil
@@ -7131,16 +7134,16 @@ snapshots:
       - utf-8-validate
       - vue-tsc
 
-  '@module-federation/node@2.6.33(@rspack/core@1.2.8(@swc/helpers@0.5.17))(react-dom@18.3.1(react@18.3.1))(react@18.3.1)(typescript@5.8.3)(webpack@5.99.7(esbuild@0.25.5))':
+  '@module-federation/node@2.6.33(@rspack/core@1.2.8(@swc/helpers@0.5.17))(react-dom@18.3.1(react@18.3.1))(react@18.3.1)(typescript@5.8.3)(webpack@5.99.7)':
     dependencies:
-      '@module-federation/enhanced': 0.11.4(@rspack/core@1.2.8(@swc/helpers@0.5.17))(react-dom@18.3.1(react@18.3.1))(react@18.3.1)(typescript@5.8.3)(webpack@5.99.7(esbuild@0.25.5))
+      '@module-federation/enhanced': 0.11.4(@rspack/core@1.2.8(@swc/helpers@0.5.17))(react-dom@18.3.1(react@18.3.1))(react@18.3.1)(typescript@5.8.3)(webpack@5.99.7)
       '@module-federation/runtime': 0.11.4
       '@module-federation/sdk': 0.11.4
-      '@module-federation/utilities': 3.1.51(react-dom@18.3.1(react@18.3.1))(react@18.3.1)(webpack@5.99.7(esbuild@0.25.5))
+      '@module-federation/utilities': 3.1.51(react-dom@18.3.1(react@18.3.1))(react@18.3.1)(webpack@5.99.7)
       btoa: 1.2.1
       encoding: 0.1.13
       node-fetch: 2.7.0(encoding@0.1.13)
-      webpack: 5.99.7(esbuild@0.25.5)
+      webpack: 5.99.7
     optionalDependencies:
       react: 18.3.1
       react-dom: 18.3.1(react@18.3.1)
@@ -7221,10 +7224,10 @@ snapshots:
       fs-extra: 9.1.0
       resolve: 1.22.8
 
-  '@module-federation/utilities@3.1.51(react-dom@18.3.1(react@18.3.1))(react@18.3.1)(webpack@5.99.7(esbuild@0.25.5))':
+  '@module-federation/utilities@3.1.51(react-dom@18.3.1(react@18.3.1))(react@18.3.1)(webpack@5.99.7)':
     dependencies:
       '@module-federation/sdk': 0.11.4
-      webpack: 5.99.7(esbuild@0.25.5)
+      webpack: 5.99.7
     optionalDependencies:
       react: 18.3.1
       react-dom: 18.3.1(react@18.3.1)
@@ -12405,6 +12408,7 @@ snapshots:
       webpack: 5.99.7(esbuild@0.25.5)
     optionalDependencies:
       esbuild: 0.25.5
+    optional: true
 
   terser-webpack-plugin@5.3.14(webpack@5.99.7):
     dependencies:
@@ -12414,7 +12418,6 @@ snapshots:
       serialize-javascript: 6.0.2
       terser: 5.40.0
       webpack: 5.99.7
-    optional: true
 
   terser@5.40.0:
     dependencies:
@@ -12878,7 +12881,6 @@ snapshots:
       - '@swc/core'
       - esbuild
       - uglify-js
-    optional: true
 
   webpack@5.99.7(esbuild@0.25.5):
     dependencies:
@@ -12910,6 +12912,7 @@ snapshots:
       - '@swc/core'
       - esbuild
       - uglify-js
+    optional: true
 
   websocket-driver@0.7.4:
     dependencies: