fix production

Dockerfile.production

@@ -8,12 +8,21 @@ COPY package.json package-lock.json turbo.json tsconfig.base.json ./
 COPY apps ./apps
 COPY packages ./packages
 
+# These URLs are read by Next.js config during `next build`, so the production
+# image must bake Docker-network service URLs instead of localhost defaults.
+ARG API_INTERNAL_URL=http://api:4000/api/v1
+ARG DASHBOARD_INTERNAL_URL=http://dashboard:3001
+ARG ADMIN_INTERNAL_URL=http://admin:3002
+
 # NEXT_PUBLIC_* vars must be present at build time — they are inlined into JS bundles
 ARG NEXT_PUBLIC_API_URL
 ARG NEXT_PUBLIC_MARKETPLACE_URL
 ARG NEXT_PUBLIC_DASHBOARD_URL
 ARG NEXT_PUBLIC_ADMIN_URL
-ENV NEXT_PUBLIC_API_URL=$NEXT_PUBLIC_API_URL \
+ENV API_INTERNAL_URL=$API_INTERNAL_URL \
+    DASHBOARD_INTERNAL_URL=$DASHBOARD_INTERNAL_URL \
+    ADMIN_INTERNAL_URL=$ADMIN_INTERNAL_URL \
+    NEXT_PUBLIC_API_URL=$NEXT_PUBLIC_API_URL \
     NEXT_PUBLIC_MARKETPLACE_URL=$NEXT_PUBLIC_MARKETPLACE_URL \
     NEXT_PUBLIC_DASHBOARD_URL=$NEXT_PUBLIC_DASHBOARD_URL \
     NEXT_PUBLIC_ADMIN_URL=$NEXT_PUBLIC_ADMIN_URL