From 6089ff1b9fc921d6aa85287ee52abae951b1bfe0 Mon Sep 17 00:00:00 2001
From: Fuwn <contact@fuwn.net>
Date: Fri, 17 Apr 2026 17:13:51 +0000
Subject: perf: Reduce per-request work and I/O in render pipeline

---
 src/mayu.gleam | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

(limited to 'src/mayu.gleam')

diff --git a/src/mayu.gleam b/src/mayu.gleam
index b204dc0..441887d 100644
--- a/src/mayu.gleam
+++ b/src/mayu.gleam
@@ -1,6 +1,8 @@
 import cache
 import database
+import envoy
 import gleam/erlang/process
+import gleam/string
 import mist
 import request
 import simplifile
@@ -12,8 +14,12 @@ pub fn main() {
 
   let _ = simplifile.create_directory("./data")
   let image_cache = cache.load_themes()
+  let version_tag = case envoy.get("MAYU_VERSION") {
+    Ok(version) -> "(v" <> version <> ")"
+    Error(_) -> ""
+  }
   let index_html = case simplifile.read("index.html") {
-    Ok(content) -> content
+    Ok(content) -> string.replace(content, "{{ MAYU_VERSION }}", version_tag)
     Error(_) -> {
       wisp.log_error("Failed to read index.html")
 
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