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have nginx cache index for 1s. (#224)

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This is required for A B deployments, the browser wasn't updating due to
conditional caches
This commit is contained in:
evanpelle
2025-03-12 11:03:28 -07:00
committed by GitHub
parent 920dafc425
commit ea628570b2
2 changed files with 28 additions and 6 deletions
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nginx.conf
+24 -4
View File
@@ -158,13 +158,14 @@ server {
proxy_set_header X-Forwarded-Proto $scheme;
}
# Updated HTML file caching - 1 second cache
location ~* \.html$ {
proxy_pass http://127.0.0.1:3000;
add_header Content-Type text/html;
add_header Cache-Control "public, max-age=86400"; # 24 hours for HTML files
add_header Cache-Control "public, max-age=1"; # 1 second for HTML files
proxy_cache STATIC;
proxy_cache_valid 200 302 24h;
proxy_cache_valid 200 302 1s; # Cache successful responses for 1 second
proxy_cache_use_stale error timeout updating http_500 http_502 http_503 http_504;
proxy_cache_lock on;
add_header X-Cache-Status $upstream_cache_status;
@@ -175,9 +176,17 @@ server {
proxy_set_header X-Forwarded-Proto $scheme;
}
# Root location - make sure index.html is the default
# Updated Root location - with 1 second cache
location = / {
proxy_pass http://127.0.0.1:3000;
add_header Cache-Control "public, max-age=1"; # 1 second cache
proxy_cache STATIC;
proxy_cache_valid 200 302 1s; # Cache successful responses for 1 second
proxy_cache_use_stale error timeout updating http_500 http_502 http_503 http_504;
proxy_cache_lock on;
add_header X-Cache-Status $upstream_cache_status;
proxy_http_version 1.1;
proxy_set_header Upgrade $http_upgrade;
proxy_set_header Connection $connection_upgrade;
@@ -187,9 +196,20 @@ server {
proxy_set_header X-Forwarded-Proto $scheme;
}
# Main location
# Main location with conditional caching for index.html
location / {
proxy_pass http://127.0.0.1:3000;
# Add caching for any index.html that might be served here
if ($request_uri ~* "index\.html$") {
add_header Cache-Control "public, max-age=1";
proxy_cache STATIC;
proxy_cache_valid 200 302 1s;
proxy_cache_use_stale error timeout updating http_500 http_502 http_503 http_504;
proxy_cache_lock on;
add_header X-Cache-Status $upstream_cache_status;
}
proxy_http_version 1.1;
proxy_set_header Upgrade $http_upgrade;
proxy_set_header Connection $connection_upgrade;
src/server/Master.ts
+4 -2
View File
@@ -30,8 +30,10 @@ app.use(
setHeaders: (res, path) => {
// You can conditionally set different cache times based on file types
if (path.endsWith(".html")) {
// HTML files get shorter cache time
res.setHeader("Cache-Control", "public, max-age=60");
// Set HTML files to no-cache to ensure Express doesn't send 304s
res.setHeader("Cache-Control", "no-cache, must-revalidate");
res.setHeader("Pragma", "no-cache");
res.setHeader("Expires", "0");
} else if (path.match(/\.(js|css|svg)$/)) {
// JS, CSS, SVG get long cache with immutable
res.setHeader("Cache-Control", "public, max-age=31536000, immutable");