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Root cause: Dockerfile copied only browser/ to nginx; server/server.mjs was built but never deployed or executed. Prerender baked DEFAULT_CONFIG into static HTML with no API at build time, causing stale content on every initial paint. Changes: - Dockerfile: serve stage uses node:22-alpine, installs nginx via apk, copies both browser/ and server/ bundles from build stage - docker-entrypoint.sh: starts Angular SSR Node process on port 4200, waits for readiness, exports SSR_API_BASE_URL, then exec nginx - nginx.conf.template: adds upstream ssr_backend block (127.0.0.1:4200), proxies / to SSR backend, static assets served directly with 1y cache - app.server.routes.ts: all routes switched from RenderMode.Prerender to RenderMode.Server for zero stale content - server.ts: removed dead prerender code (PRERENDERED_ROUTES, isPrerenderedRoute, allowStaticRouteRender) - main.server.ts: injects SSR-aware apiBaseUrl via APP_CONFIG (reads SSR_API_BASE_URL env var) - server.spec.ts: updated 5 test suites + added 5 new suites (31 tests) covering server.ts cleanup, RenderMode.Server, entrypoint lifecycle, Dockerfile build, nginx upstream proxy, and API URL injection - vitest.config.ts: added server.spec.ts to include pattern Request flow: Browser -> nginx (port 80) -> SSR server (port 4200) -> Angular SSR -> HttpClient -> localhost:80/api/station-config -> nginx proxies to api:8000 -> fresh data rendered in HTML
54 lines
1.4 KiB
TypeScript
54 lines
1.4 KiB
TypeScript
import {
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AngularNodeAppEngine,
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createNodeRequestHandler,
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isMainModule,
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writeResponseToNodeResponse,
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} from '@angular/ssr/node';
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import * as http from 'node:http';
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/**
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* Lazily instantiate AngularNodeAppEngine so the engine boots only when
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* the first request arrives. All routes use RenderMode.Server — every
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* request triggers on-demand SSR that fetches fresh API data before rendering.
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*/
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let appEngine: AngularNodeAppEngine | null = null;
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function getEngine(): AngularNodeAppEngine {
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if (!appEngine) {
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appEngine = new AngularNodeAppEngine();
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}
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return appEngine;
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}
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/**
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* Handle incoming requests using the Angular SSR engine.
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* Every request is rendered on the server with fresh data from the API.
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*/
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const requestHandler = createNodeRequestHandler(async (req, res, next) => {
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try {
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const response = await getEngine().handle(req);
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if (response) {
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await writeResponseToNodeResponse(response, res);
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} else {
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next();
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}
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} catch (error) {
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next(error);
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}
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});
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export default requestHandler;
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if (isMainModule(import.meta.url)) {
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const httpServer = http.createServer();
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httpServer.on('request', async (req: http.IncomingMessage, res: http.ServerResponse) => {
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requestHandler(req, res, () => {
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res.statusCode = 404;
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res.end('Not Found');
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});
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});
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httpServer.listen(4200, () => {
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console.log(`Node SSR server listening on http://localhost:4200`);
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});
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}
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