fix(docker): добавить переменную окружения для внутреннего URL бэкенда

Dockerfile.frontend

@@ -40,6 +40,7 @@ ENV NODE_ENV=production
 ENV NEXT_TELEMETRY_DISABLED=1
 ENV HOSTNAME=0.0.0.0
 ENV PORT=3000
+ENV BACKEND_INTERNAL_URL=http://backend:8000
 COPY --from=build /app/public ./public
 COPY --from=build /app/.next/standalone ./
 COPY --from=build /app/.next/static ./.next/static

app/(main)/data-collection/page.tsx

@@ -751,8 +751,8 @@ function RunRowDetail({ r }: { r: SchedulerRunRowDto }) {
 }
 
 export default function DataCollectionPage() {
-  const { mode, backendUrl } = useDataSource()
+  const { mode, backendUrl, prefsHydrated } = useDataSource()
-  const isLive = mode === "live"
+  const isLive = prefsHydrated && mode === "live"
   const apiFetch = useMemo(() => makeApiFetch(backendUrl), [backendUrl])
 
   const [trafficCollector, setTrafficCollector] = useState<CollectorSettingsDto | null>(null)
@@ -1003,7 +1003,18 @@ export default function DataCollectionPage() {
 
       <div className="flex-1 overflow-y-auto p-6">
         <div className="flex flex-col gap-5 max-w-[1100px] mx-auto w-full">
-          {!isLive && (
+          {!prefsHydrated && (
+            <Card>
+              <CardHeader>
+                <CardTitle className="text-base">Загрузка настроек подключения</CardTitle>
+                <CardDescription className="text-xs">
+                  Читаем режим данных и адрес API из локальных настроек.
+                </CardDescription>
+              </CardHeader>
+            </Card>
+          )}
+
+          {prefsHydrated && !isLive && (
             <Card>
               <CardHeader>
                 <CardTitle className="text-base">Нужен live-режим</CardTitle>

deploy/docker-compose.yml

@@ -18,8 +18,12 @@ services:
     image: git.shts.su/denozord/mikrotikmanager-frontend:latest
     container_name: mmapp-frontend
     restart: unless-stopped
+    depends_on:
+      - backend
     ports:
       - "3000:3000"
+    environment:
+      BACKEND_INTERNAL_URL: http://backend:8000
     labels:
       mmapp.updater.managed: "true"
       mmapp.updater.target: frontend

lib/data-source.tsx

@@ -59,9 +59,13 @@ function normalizeBackendUrl(url: string): string {
 }
 
 export function DataSourceProvider({ children }: { children: React.ReactNode }) {
-  const [mode, setModeState] = useState<DataSourceMode>(defaultDataSourceMode)
+  const [mode, setModeState] = useState<DataSourceMode>(() =>
-  const [backendUrl, setBackendUrlState] = useState(LOCAL_DEFAULT_BACKEND_URL)
+    typeof window === "undefined" ? defaultDataSourceMode() : readStoredMode(),
-  const [prefsHydrated, setPrefsHydrated] = useState(false)
+  )
+  const [backendUrl, setBackendUrlState] = useState(() =>
+    typeof window === "undefined" ? LOCAL_DEFAULT_BACKEND_URL : readStoredBackendUrl(),
+  )
+  const [prefsHydrated, setPrefsHydrated] = useState(() => typeof window !== "undefined")
   const [backendStatus, setBackendStatus] = useState<boolean | undefined>(undefined)
   const backendUrlLocked = isBackendUrlLocked()
   const mockModeAvailable = isMockDataSourceAvailable()
@@ -91,9 +95,12 @@ export function DataSourceProvider({ children }: { children: React.ReactNode })
   }, [backendUrlLocked])
 
   const checkBackend = useCallback(async () => {
-    const url = normalizeBackendUrl(backendUrl)
+    const healthUrl =
+      configuredBackendUrl().kind === "same-origin"
+        ? "/health"
+        : `${normalizeBackendUrl(backendUrl)}/health`
     try {
-      const res = await fetch(`${url}/health`, { signal: AbortSignal.timeout(3000) })
+      const res = await fetch(healthUrl, { signal: AbortSignal.timeout(3000) })
       setBackendStatus(res.ok)
     } catch {
       setBackendStatus(false)

shared/api/http-client.ts

@@ -1,3 +1,5 @@
+import { configuredBackendUrl } from "@/lib/backend-url"
+
 export class ApiClientError extends Error {
   constructor(
     message: string,
@@ -13,13 +15,20 @@ function trimBaseUrl(baseUrl: string): string {
   return baseUrl.replace(/\/$/, "")
 }
 
+function resolveRequestUrl(baseUrl: string, path: string): string {
+  if (path.startsWith("/") && configuredBackendUrl().kind === "same-origin") {
+    return path
+  }
+  return trimBaseUrl(baseUrl) + path
+}
+
 export async function requestJson<T>(
   baseUrl: string,
   path: string,
   init?: RequestInit,
 ): Promise<T> {
   const hasBody = init?.body != null
-  const res = await fetch(trimBaseUrl(baseUrl) + path, {
+  const res = await fetch(resolveRequestUrl(baseUrl, path), {
     ...init,
     headers: {
       ...(hasBody ? { "Content-Type": "application/json" } : {}),