diff --git a/Dockerfile b/Dockerfile
index 25e704e6b5e39ddf6e9bad10be34a476701dd47f..71a251d8614879bdb36d6b110be330286450e30c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -4,6 +4,7 @@ WORKDIR /app
 COPY package*.json ./
 RUN npm install
 COPY . .
+ENV API_URL=backend:80
 RUN npm run build
 
 # Step 2: Setup the server with Nginx