The game kit: the shared infrastructure of Wiz-War and Waving Hands as a template

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_0141G6xqLeNRYEtviLWSB5Up

template/deploy/Caddyfile.tmpl

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+__HOST__
+
+root * /opt/__SLUG__/build
+encode gzip zstd
+
+header {
+	Strict-Transport-Security "max-age=31536000"
+	X-Content-Type-Options "nosniff"
+	X-Frame-Options "DENY"
+	Referrer-Policy "no-referrer"
+}
+
+log {
+	output file /var/lib/caddy/access.log {
+		roll_size 10MiB
+		roll_keep 30
+	}
+}
+
+# The game server answers the API and the websocket; a deploy restarts it for
+# a few seconds, and the proxy holds requests that land in that gap.
+@game path /api/* /ws
+handle @game {
+	reverse_proxy localhost:__PORT__ {
+		lb_try_duration 30s
+		lb_try_interval 250ms
+	}
+}
+
+# Everything else is the static site. SvelteKit writes each route as
+# <route>.html, so /rules is tried as /rules.html before falling back to the
+# app shell, which serves the rooms. Hashed assets under _app/immutable are
+# cached for a year; every other response is revalidated so a deploy shows
+# up on the next load. The two header matchers are disjoint.
+handle {
+	@immutable path /_app/immutable/*
+	header @immutable Cache-Control "public, max-age=31536000, immutable"
+	@mutable not path /_app/immutable/*
+	header @mutable Cache-Control "no-cache"
+	try_files {path} {path}.html /index.html
+	file_server
+}