diff --git a/README.md b/README.md
index 3ee4823..499c7eb 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,14 @@
+# Lokaali kehitys
+
+## Ympäristömuuttujat
+
+Lisää projektin juureen `.env` tiedosto jossa sisältö: 
+
+```
+API_URL=http://localhost:9090
+```
+
+## Ja ei kun kovaa ajoa
 ```bash
 npm run dev
 ```
diff --git a/app/api.ts b/app/api.ts
index d6b7dc7..602cbac 100644
--- a/app/api.ts
+++ b/app/api.ts
@@ -1,8 +1,6 @@
 export const fetchCustomerData = async (id: string) => {
-    const baseUrl = "http://localhost:9090";
-
     try {
-        const response = await fetch(`${baseUrl}/loota/${id}`, {
+        const response = await fetch(`${process.env.NEXT_PUBLIC_API_URL}/loota/${id}`, {
             method: 'GET',
         });
         if (!response.ok) {
@@ -16,10 +14,8 @@ export const fetchCustomerData = async (id: string) => {
 }
 
 export const markBoxPickedUp = async (id: string) => {
-    const baseUrl = "http://localhost:9090";
-
     try {
-        const response = await fetch(`${baseUrl}/loota/`, {
+        const response = await fetch(`${process.env.NEXT_PUBLIC_API_URL}/loota/`, {
             method: 'POST',
             headers: {
                 'Content-Type': 'application/json',
@@ -37,10 +33,8 @@ export const markBoxPickedUp = async (id: string) => {
 }
 
 export const markBoxDelivered = async (id: string) => {
-    const baseUrl = "http://localhost:9090";
-
     try {
-        const response = await fetch(`${baseUrl}/loota/`, {
+        const response = await fetch(`${process.env.NEXT_PUBLIC_API_URL}/loota/`, {
             method: 'POST',
             headers: {
                 'Content-Type': 'application/json',