diff options
| author | Paul Buetow <paul@buetow.org> | 2026-01-28 19:00:17 +0200 |
|---|---|---|
| committer | Paul Buetow <paul@buetow.org> | 2026-01-28 19:00:17 +0200 |
| commit | 04fd17c7f7f6c489238cccc2b34f3f2b42a12c62 (patch) | |
| tree | 558765d2219384baa09e07ef4fa4268781a9c577 /frontends/etc | |
| parent | 755ede6cdae8570037a7cf59218f2baebbcdd631 (diff) | |
Add cache-control headers to f3s fallback page
- Add meta tags to prevent browser caching of fallback page
- Add response header directives in relayd to set Cache-Control headers
- Prevents cached fallback page from being served when cluster comes back online
Amp-Thread-ID: https://ampcode.com/threads/T-019c0589-2021-71cc-a2ba-2cd942f4fdef
Co-authored-by: Amp <amp@ampcode.com>
Diffstat (limited to 'frontends/etc')
| -rw-r--r-- | frontends/etc/relayd.conf.tpl | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/frontends/etc/relayd.conf.tpl b/frontends/etc/relayd.conf.tpl index 0a7283f..88467bd 100644 --- a/frontends/etc/relayd.conf.tpl +++ b/frontends/etc/relayd.conf.tpl @@ -56,11 +56,16 @@ http protocol "https" { # For f3s hosts: use relay-level failover (f3s -> localhost backup) # Registry is special: needs explicit routing to port 30001 <% for my $host (@$f3s_hosts) { for my $prefix (@prefixes) { - if ($host eq 'registry.f3s.buetow.org') { -%> + if ($host eq 'registry.f3s.buetow.org') { -%> match request header "Host" value "<%= $prefix.$host -%>" forward to <f3s_registry> <% } } } -%> -} + + # Add cache-control headers to f3s fallback pages (served from localhost when cluster is down) + match response header set "Cache-Control" value "no-cache, no-store, must-revalidate" + match response header set "Pragma" value "no-cache" + match response header set "Expires" value "0" + } relay "https4" { listen on <%= $vio0_ip %> port 443 tls |