Use the mimalloc allocator.

Cargo.lock

@@ -857,6 +857,16 @@ version = "0.2.144"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2b00cc1c228a6782d0f076e7b232802e0c5689d41bb5df366f2a6b6621cfdfe1"
 
+[[package]]
+name = "libmimalloc-sys"
+version = "0.1.33"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f4ac0e912c8ef1b735e92369695618dc5b1819f5a7bf3f167301a3ba1cea515e"
+dependencies = [
+ "cc",
+ "libc",
+]
+
 [[package]]
 name = "libwebp-sys"
 version = "0.4.2"
@@ -918,6 +928,15 @@ dependencies = [
  "autocfg",
 ]
 
+[[package]]
+name = "mimalloc"
+version = "0.1.37"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4e2894987a3459f3ffb755608bd82188f8ed00d0ae077f1edea29c068d639d98"
+dependencies = [
+ "libmimalloc-sys",
+]
+
 [[package]]
 name = "mime"
 version = "0.3.17"
@@ -1083,6 +1102,7 @@ version = "0.1.0"
 dependencies = [
  "actix-web",
  "image",
+ "mimalloc",
  "once_cell",
  "qstring",
  "regex",

Cargo.toml

@@ -8,6 +8,7 @@ version = "0.1.0"
 [dependencies]
 actix-web = "4.3.1"
 image = "0.24.6"
+mimalloc = "0.1.37"
 once_cell = "1.17.1"
 qstring = "0.7.2"
 regex = "1.8.2"

src/main.rs

@@ -4,11 +4,15 @@ use std::error::Error;
 use actix_web::{App, HttpRequest, HttpResponse, HttpResponseBuilder, HttpServer, web};
 use actix_web::http::Method;
 use image::EncodableLayout;
+use mimalloc::MiMalloc;
 use once_cell::sync::Lazy;
 use qstring::QString;
 use regex::Regex;
 use reqwest::{Client, Request, Url};
 
+#[global_allocator]
+static GLOBAL: MiMalloc = MiMalloc;
+
 #[actix_web::main]
 async fn main() -> std::io::Result<()> {
     println!("Running server!");