Pass VITE_API_URL as build arg

Dockerfile

@@ -3,11 +3,13 @@ FROM node:20-alpine AS builder
 
 WORKDIR /build
 
+ARG VITE_API_URL=/api
+
 COPY package*.json ./
 RUN npm ci
 
 COPY . .
-RUN npm run build
+RUN VITE_API_URL=$VITE_API_URL npm run build
 
 # Stage 2: App only (no MariaDB)
 FROM node:20-alpine

docker-compose.yml

@@ -20,7 +20,10 @@ services:
       retries: 5
 
   app:
-    build: .
+    build:
+      context: .
+      args:
+        - VITE_API_URL=/api
     ports:
       - "8077:80"
       - "4000:4000"