caddy-proxy.caddyfile

{
	order cache after rewrite
	order cache after header

	metrics
	cache

	servers :8080 {
		name metrics
	}

	servers :80 {
		name proxy
	}
}

:8080 {
	metrics /metrics
}

:80 {
	# Do not allow HTTP clients to bypass the cache.
	request_header -Cache-Control
	handle /ws {
		respond 403
	}
	handle {
		cache {
			allowed_http_verbs GET
			redis {
				configuration {
					# https://github.com/gofiber/storage/blob/main/rueidis/README.md#config
					ClientName souin-redis
					InitAddress musicpresence-client-proxy_redis:6379
					DisableCache true
					CacheTTL 60s
				}
			}
			key {
				disable_body
				disable_host
				disable_method
				# the query is never forwarded to the client.
				# it should not be possible to circumvent the cache
				# by using meaningless query parameters.
				disable_query
				disable_scheme
				headers Content-Type
				hide
			}
			default_cache_control no-store
		}
		reverse_proxy loon:80
		# respond {http.request.header.cache-control}
	}
}