diff --git a/client/.env b/client/.env
index 94adcae..6f02e43 100644
--- a/client/.env
+++ b/client/.env
@@ -1,3 +1,5 @@
-VITE_API_URL="http://localhost:8080/api"
+VITE_API_PORT=8080
+VITE_API_URL="http://localhost:$VITE_API_PORT/api"
+VITE_WEBSOCKET_URL="ws://localhost:$VITE_API_PORT/ws"
 VITE_APP_NAME="Launchr Web UI"
-VITE_API_POLL_INTERVAL=3000
\ No newline at end of file
+VITE_API_POLL_INTERVAL=3000
diff --git a/client/package.json b/client/package.json
index 22ec5ba..1d42d92 100644
--- a/client/package.json
+++ b/client/package.json
@@ -82,7 +82,8 @@
     "ts-jest": "^29.2.4",
     "ts-node": "^10.9.2",
     "typescript": "^4.9.5",
-    "vite": "^5.2.12"
+    "vite": "^5.2.12",
+    "vite-plugin-env-compatible": "^2.0.1"
   },
   "scripts": {
     "lint": "eslint .",
diff --git a/client/src/App.tsx b/client/src/App.tsx
index 67f0355..3d96b9e 100644
--- a/client/src/App.tsx
+++ b/client/src/App.tsx
@@ -24,8 +24,9 @@ import { ActionList, ActionShow } from './pages/actions'
 import { FlowShow } from './pages/flow'
 import { dataProvider as launchrDataProvider } from './rest-data-provider'
 import { ThemeProvider } from './ThemeProvider'
+import { getApiUrl } from './utils/app-urls-resolver'
 
-const apiUrl = import.meta.env.VITE_API_URL
+const apiUrl = getApiUrl()
 
 export function App() {
   return (
diff --git a/client/src/index.tsx b/client/src/index.tsx
index 8a1f627..bb06a06 100644
--- a/client/src/index.tsx
+++ b/client/src/index.tsx
@@ -2,6 +2,7 @@ import './I18n'
 
 import * as React from 'react'
 import { createRoot } from 'react-dom/client'
+
 import { App } from './App'
 
 const container = document.getElementById('root') as HTMLElement
diff --git a/client/src/live-provider/index.ts b/client/src/live-provider/index.ts
index fa06500..abbdd47 100644
--- a/client/src/live-provider/index.ts
+++ b/client/src/live-provider/index.ts
@@ -5,7 +5,9 @@ import {
   w3cwebsocket as W3CWebSocket,
 } from 'websocket'
 
-const websocketUrl = 'ws://localhost:8080/ws'
+import { getWebSocketUrl } from '../utils/app-urls-resolver'
+
+const websocketUrl = getWebSocketUrl()
 let actionsSocket = new W3CWebSocket(websocketUrl)
 
 const reconnectInterval = 5000
diff --git a/client/src/utils/app-urls-resolver.ts b/client/src/utils/app-urls-resolver.ts
new file mode 100644
index 0000000..979222f
--- /dev/null
+++ b/client/src/utils/app-urls-resolver.ts
@@ -0,0 +1,37 @@
+const isProductionMode = import.meta.env.MODE === 'production'
+const addDefaultPort = (protocol: string) =>
+  protocol === 'https:' ? ':433' : ':80'
+
+export function getApiUrl() {
+  let url = import.meta.env.VITE_API_URL
+
+  if (isProductionMode) {
+    const { location } = window
+    url = location.origin
+
+    if (!location.port) {
+      url += addDefaultPort(location.protocol)
+    }
+
+    url += '/api'
+  }
+
+  return url
+}
+
+export function getWebSocketUrl() {
+  let url = import.meta.env.VITE_WEBSOCKET_URL
+
+  if (isProductionMode) {
+    const { location } = window
+    url = location.protocol === 'https:' ? 'wss://' : 'ws://'
+    url += location.host
+    if (!location.port) {
+      url += addDefaultPort(location.protocol)
+    }
+
+    url += '/ws'
+  }
+
+  return url
+}
diff --git a/client/vite.config.ts b/client/vite.config.ts
index ae74518..11f1730 100644
--- a/client/vite.config.ts
+++ b/client/vite.config.ts
@@ -1,6 +1,7 @@
 import react from '@vitejs/plugin-react'
 import { defineConfig } from 'vite'
+import env from 'vite-plugin-env-compatible'
 
 export default defineConfig({
-  plugins: [react()],
+  plugins: [react(), env()],
 })
diff --git a/client/yarn.lock b/client/yarn.lock
index 76a24f6..ada0397 100644
--- a/client/yarn.lock
+++ b/client/yarn.lock
@@ -6207,6 +6207,20 @@ __metadata:
   languageName: node
   linkType: hard
 
+"dotenv-expand@npm:5.1.0":
+  version: 5.1.0
+  resolution: "dotenv-expand@npm:5.1.0"
+  checksum: 10c0/24ac633de853ef474d0421cc639328b7134109c8dc2baaa5e3afb7495af5e9237136d7e6971e55668e4dce915487eb140967cdd2b3e99aa439e0f6bf8b56faeb
+  languageName: node
+  linkType: hard
+
+"dotenv@npm:8.2.0":
+  version: 8.2.0
+  resolution: "dotenv@npm:8.2.0"
+  checksum: 10c0/b6a07a2c400b13ad4e59c34e4682256e6bb846469781a3963b36861ee608ed312e6125c4a7635a9edcf957bb294a6966e218f0e26b82ff0bda9184211d4bc141
+  languageName: node
+  linkType: hard
+
 "dotenv@npm:^16.0.3":
   version: 16.4.5
   resolution: "dotenv@npm:16.4.5"
@@ -9431,6 +9445,7 @@ __metadata:
     ts-node: "npm:^10.9.2"
     typescript: "npm:^4.9.5"
     vite: "npm:^5.2.12"
+    vite-plugin-env-compatible: "npm:^2.0.1"
     websocket: "npm:^1.0.35"
   languageName: unknown
   linkType: soft
@@ -13105,6 +13120,16 @@ __metadata:
   languageName: node
   linkType: hard
 
+"vite-plugin-env-compatible@npm:^2.0.1":
+  version: 2.0.1
+  resolution: "vite-plugin-env-compatible@npm:2.0.1"
+  dependencies:
+    dotenv: "npm:8.2.0"
+    dotenv-expand: "npm:5.1.0"
+  checksum: 10c0/356ddda4d9d8d3e26053392cba374f9bdc0804c74816eb88d2384df817c921d697519bad272feffcfb4fa8dda38a5ea7f8a6802eaf4fd65caa74171c9df6ff12
+  languageName: node
+  linkType: hard
+
 "vite@npm:^5.2.12":
   version: 5.3.5
   resolution: "vite@npm:5.3.5"