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The CSR shell previously rendered with hardcoded DEFAULT_CONFIG values, then the client-side API call replaced them 50-500ms later, causing a visible 'flash of stale content' (wrong colors, wrong station name). Fix: SSR server fetches live station config from the backend API before serving the CSR shell, injecting it as: - Inline <script> seeding window.__STATION_CONFIG (client reads sync) - Inline <style> setting CSS custom properties (correct colors first paint) Also adds no-cache Cache-Control headers on HTML page responses to prevent browsers from caching stale content. StationConfigService now reads window.__STATION_CONFIG on construction instead of always starting with DEFAULT_CONFIG.
101 lines
3.4 KiB
Plaintext
101 lines
3.4 KiB
Plaintext
# Full nginx configuration — rendered to /etc/nginx/nginx.conf
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# (NOT placed in conf.d/ to avoid include nesting issues with Alpine nginx)
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user nginx;
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worker_processes auto;
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error_log /var/log/nginx/error.log warn;
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pid /var/run/nginx.pid;
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events {
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worker_connections 1024;
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}
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http {
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include /etc/nginx/mime.types;
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default_type application/octet-stream;
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log_format kmtn_json escape=json
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'{'
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'"time":"$time_iso8601",'
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'"remote_addr":"$remote_addr",'
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'"x_forwarded_for":"$http_x_forwarded_for"'
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'}';
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access_log /logs/access.log kmtn_json;
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sendfile on;
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upstream ssr_backend {
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server 127.0.0.1:4200;
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}
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server {
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listen 80;
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server_name _;
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root /usr/share/nginx/html;
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index index.html;
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# Serve static assets directly from disk (hashed filenames are immutable)
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location ~* \.(js|css|png|jpg|jpeg|gif|ico|svg|woff|woff2|ttf|eot|map)$ {
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expires 1y;
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add_header Cache-Control "public, immutable";
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access_log off;
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}
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# Dynamic sitemap.xml + robots.txt - proxied to the backend so each
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# white-label tenant gets their KMTN_WEBSITE_URL in the output.
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location = /sitemap.xml {
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proxy_pass __API_UPSTREAM__/api/sitemap/sitemap.xml;
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proxy_set_header Host $host;
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proxy_set_header X-Real-IP $remote_addr;
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proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
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proxy_set_header X-Forwarded-Proto $http_x_forwarded_proto;
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}
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location = /robots.txt {
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proxy_pass __API_UPSTREAM__/api/sitemap/robots.txt;
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proxy_set_header Host $host;
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proxy_set_header X-Real-IP $remote_addr;
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proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
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proxy_set_header X-Forwarded-Proto $http_x_forwarded_proto;
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}
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# Proxy API calls to the backend service
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location /api/ {
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proxy_pass __API_UPSTREAM__;
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proxy_set_header Host $host;
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proxy_set_header Origin $http_origin;
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proxy_set_header Referer $http_referer;
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proxy_set_header X-Real-IP $remote_addr;
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proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
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proxy_set_header X-Forwarded-Proto $http_x_forwarded_proto;
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proxy_set_header X-Forwarded-Host $host;
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# Disable caching through the double-proxy chain
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proxy_cache off;
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add_header Cache-Control "no-store, no-cache, must-revalidate" always;
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add_header Pragma "no-cache" always;
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add_header Vary "*" always;
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}
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# Proxy all page requests to the Angular SSR server.
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# The SSR server handles both spider SSR rendering and serves CSR shells
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# to regular users, with fresh station config injected at runtime.
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location / {
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proxy_pass http://ssr_backend;
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proxy_set_header Host $host;
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proxy_set_header X-Real-IP $remote_addr;
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proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
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proxy_set_header X-Forwarded-Proto $http_x_forwarded_proto;
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proxy_set_header X-Forwarded-Host $host;
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# SSR responses should not be cached by intermediate proxies
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proxy_cache off;
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add_header X-Powered-By "Angular SSR" always;
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# Prevent browsers from caching HTML pages — content changes frequently
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add_header Cache-Control "no-cache, no-store, must-revalidate" always;
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add_header Pragma "no-cache" always;
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}
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}
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}
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