build logs via tmux

deploy.py

@@ -3,7 +3,6 @@ from dataclasses import dataclass
 import subprocess
 import os
 from time import time
-from textwrap import dedent
 
 
 @dataclass
@@ -47,10 +46,17 @@ def handle_request(rq: DeployerRequest):
     build_log = f"{logs_dir}/build.log"
 
     subprocess.Popen(
-        ["./deploy.sh"],
+        [
+            "tmux",
+            "new-session",
+            "-d",
+            "-s",
+            f"{domain}-build-{deployment_id}",
+            "sh",
+            "-c",
+            f"/path/to/build.sh > {build_log} 2>&1",
+        ],
         user="root",
-        stdout=open(build_log, "w"),
-        stderr=open(build_log, "a"),
         shell=True,
         env=dict(
             os.environ,