fix

Dockerfile

@@ -22,9 +22,13 @@ WORKDIR /app
 COPY --from=deps /app/node_modules ./node_modules
 COPY . .
 
-# Set environment variables for build
+# Accept build arguments
+ARG NEXT_PUBLIC_API_URL
+
+# Set environment variables for build (NEXT_PUBLIC_* must be set at build time)
 ENV NEXT_TELEMETRY_DISABLED=1
 ENV NODE_ENV=production
+ENV NEXT_PUBLIC_API_URL=${NEXT_PUBLIC_API_URL}
 
 # Build the application
 RUN npm run build