fix admin Dockerfile: pass NEXT_PUBLIC_API_URL as build arg

admin/Dockerfile

@@ -1,4 +1,6 @@
 FROM node:22-alpine AS builder
+ARG NEXT_PUBLIC_API_URL
+ENV NEXT_PUBLIC_API_URL=$NEXT_PUBLIC_API_URL
 WORKDIR /app
 COPY package*.json ./
 RUN npm install

docker-compose.yml

@@ -5,8 +5,9 @@ services:
       - '3000:3000'
 
   admin:
-    build: ./admin
+    build:
+      context: ./admin
+      args:
+        - NEXT_PUBLIC_API_URL=https://backend.prosapp.co/api/v1
     ports:
       - '5173:3000'
-    environment:
-      - NEXT_PUBLIC_API_URL=https://backend.prosapp.co/api/v1