We are currently solving the following issue within our repository. Here is the issue text:
--- BEGIN ISSUE ---
Dovecot service takes long to start
```
docker stack ps mailu
ID                  NAME                IMAGE                              NODE                DESIRED STATE       CURRENT STATE            ERROR               PORTS
yh6u3jrckt32        mailu_redis.1       redis:alpine                       prod02.usrpro.com   Running             Running 4 minutes ago                        
otpt6os15sy3        mailu_smtp.1        mailu/postfix:master               prod01.usrpro.com   Running             Running 4 minutes ago                        
artmzgamypoy        mailu_webdav.1      mailu/radicale:master              prod03.usrpro.com   Running             Running 4 minutes ago                        
x5ynw6h5ap3p        mailu_imap.1        usrpro/dovecot:workaround-lucene   prod03.usrpro.com   Running             Starting 4 minutes ago                       
n674xs649jlw        mailu_admin.1       mailu/admin:master                 prod01.usrpro.com   Running             Running 4 minutes ago                        
xrmri5cqjzqn        mailu_antivirus.1   mailu/clamav:master                prod02.usrpro.com   Running             Running 2 minutes ago                        
koiuyxlj2cpt        mailu_antispam.1    mailu/rspamd:master                prod03.usrpro.com   Running             Running 4 minutes ago                        
hdpu4gq182ha        mailu_webmail.1     mailu/rainloop:master              prod01.usrpro.com   Running             Running 4 minutes ago                        
wgqkwnz6wyxp        mailu_front.1       mailu/nginx:master                 prod01.usrpro.com   Running             Running 4 minutes ago                        
v2eznworzs0g        mailu_front.2       mailu/nginx:master                 prod02.usrpro.com   Running             Running 4 minutes ago                        
nckm82d8aryd        mailu_front.3       mailu/nginx:master                 prod03.usrpro.com   Running             Running 4 minutes ago 
```
In `start.py`, most probably it is stuck on:
```
multiprocessing.Process(target=start_podop).start()
```

Have to confirm with writing some logging, like requested in issue #588 .

--- END ISSUE ---

Below are some code segments, each from a relevant file. One or more of these files may contain bugs.
--- BEGIN FILES ---
Path: `core/dovecot/start.py`
Content:
```
1 #!/usr/bin/python3
2 
3 import jinja2
4 import os
5 import socket
6 import glob
7 import multiprocessing
8 import tenacity
9 
10 from tenacity import retry
11 from podop import run_server
12 
13 
14 def start_podop():
15     os.setuid(8)
16     run_server(3 if "DEBUG" in os.environ else 0, "dovecot", "/tmp/podop.socket", [
17 		("quota", "url", "http://admin/internal/dovecot/§"),
18 		("auth", "url", "http://admin/internal/dovecot/§"),
19 		("sieve", "url", "http://admin/internal/dovecot/§"),
20     ])
21 
22 convert = lambda src, dst: open(dst, "w").write(jinja2.Template(open(src).read()).render(**os.environ))
23 
24 # Actual startup script
25 resolve = retry(socket.gethostbyname, stop=tenacity.stop_after_attempt(100), wait=tenacity.wait_random(min=2, max=5))
26 os.environ["FRONT_ADDRESS"] = resolve(os.environ.get("FRONT_ADDRESS", "front"))
27 os.environ["REDIS_ADDRESS"] = resolve(os.environ.get("REDIS_ADDRESS", "redis"))
28 if os.environ["WEBMAIL"] != "none":
29     os.environ["WEBMAIL_ADDRESS"] = resolve(os.environ.get("WEBMAIL_ADDRESS", "webmail"))
30 
31 for dovecot_file in glob.glob("/conf/*.conf"):
32     convert(dovecot_file, os.path.join("/etc/dovecot", os.path.basename(dovecot_file)))
33 
34 # Run Podop, then postfix
35 multiprocessing.Process(target=start_podop).start()
36 os.system("chown -R mail:mail /mail /var/lib/dovecot /conf")
37 os.execv("/usr/sbin/dovecot", ["dovecot", "-c", "/etc/dovecot/dovecot.conf", "-F"])
38
```
--- END FILES ---

Please first localize the bug based on the issue statement, and then generate a patch according to the `git diff` format fenced by three backticks.

Here is an example:

```diff
diff --git a/examples/server_async.py b/examples/server_async.py
--- a/examples/server_async.py
+++ b/examples/server_async.py
@@ -313,4 +313,4 @@
 
 
 if __name__ == "__main__":
-    asyncio.run(run_async_server("."), debug=True)
+    asyncio.run(run_async_server(), debug=True)
diff --git a/examples/server_sync.py b/examples/server_sync.py
--- a/examples/server_sync.py
+++ b/examples/server_sync.py
@@ -313,5 +313,5 @@
 
 
 if __name__ == "__main__":
-    server = run_sync_server(".")
+    server = run_sync_server()
     server.shutdown()

```

diff --git a/core/dovecot/start.py b/core/dovecot/start.py
--- a/core/dovecot/start.py
+++ b/core/dovecot/start.py
@@ -33,5 +33,6 @@
 
 # Run Podop, then postfix
 multiprocessing.Process(target=start_podop).start()
-os.system("chown -R mail:mail /mail /var/lib/dovecot /conf")
+os.system("chown mail:mail /mail")
+os.system("chown -R mail:mail /var/lib/dovecot /conf")
 os.execv("/usr/sbin/dovecot", ["dovecot", "-c", "/etc/dovecot/dovecot.conf", "-F"])

{"golden_diff": "diff --git a/core/dovecot/start.py b/core/dovecot/start.py\n--- a/core/dovecot/start.py\n+++ b/core/dovecot/start.py\n@@ -33,5 +33,6 @@\n \n # Run Podop, then postfix\n multiprocessing.Process(target=start_podop).start()\n-os.system(\"chown -R mail:mail /mail /var/lib/dovecot /conf\")\n+os.system(\"chown mail:mail /mail\")\n+os.system(\"chown -R mail:mail /var/lib/dovecot /conf\")\n os.execv(\"/usr/sbin/dovecot\", [\"dovecot\", \"-c\", \"/etc/dovecot/dovecot.conf\", \"-F\"])\n", "issue": "Dovecot service takes long to start\n```\r\ndocker stack ps mailu\r\nID                  NAME                IMAGE                              NODE                DESIRED STATE       CURRENT STATE            ERROR               PORTS\r\nyh6u3jrckt32        mailu_redis.1       redis:alpine                       prod02.usrpro.com   Running             Running 4 minutes ago                        \r\notpt6os15sy3        mailu_smtp.1        mailu/postfix:master               prod01.usrpro.com   Running             Running 4 minutes ago                        \r\nartmzgamypoy        mailu_webdav.1      mailu/radicale:master              prod03.usrpro.com   Running             Running 4 minutes ago                        \r\nx5ynw6h5ap3p        mailu_imap.1        usrpro/dovecot:workaround-lucene   prod03.usrpro.com   Running             Starting 4 minutes ago                       \r\nn674xs649jlw        mailu_admin.1       mailu/admin:master                 prod01.usrpro.com   Running             Running 4 minutes ago                        \r\nxrmri5cqjzqn        mailu_antivirus.1   mailu/clamav:master                prod02.usrpro.com   Running             Running 2 minutes ago                        \r\nkoiuyxlj2cpt        mailu_antispam.1    mailu/rspamd:master                prod03.usrpro.com   Running             Running 4 minutes ago                        \r\nhdpu4gq182ha        mailu_webmail.1     mailu/rainloop:master              prod01.usrpro.com   Running             Running 4 minutes ago                        \r\nwgqkwnz6wyxp        mailu_front.1       mailu/nginx:master                 prod01.usrpro.com   Running             Running 4 minutes ago                        \r\nv2eznworzs0g        mailu_front.2       mailu/nginx:master                 prod02.usrpro.com   Running             Running 4 minutes ago                        \r\nnckm82d8aryd        mailu_front.3       mailu/nginx:master                 prod03.usrpro.com   Running             Running 4 minutes ago \r\n```\r\nIn `start.py`, most probably it is stuck on:\r\n```\r\nmultiprocessing.Process(target=start_podop).start()\r\n```\r\n\r\nHave to confirm with writing some logging, like requested in issue #588 .\n", "before_files": [{"content": "#!/usr/bin/python3\n\nimport jinja2\nimport os\nimport socket\nimport glob\nimport multiprocessing\nimport tenacity\n\nfrom tenacity import retry\nfrom podop import run_server\n\n\ndef start_podop():\n    os.setuid(8)\n    run_server(3 if \"DEBUG\" in os.environ else 0, \"dovecot\", \"/tmp/podop.socket\", [\n\t\t(\"quota\", \"url\", \"http://admin/internal/dovecot/\u00a7\"),\n\t\t(\"auth\", \"url\", \"http://admin/internal/dovecot/\u00a7\"),\n\t\t(\"sieve\", \"url\", \"http://admin/internal/dovecot/\u00a7\"),\n    ])\n\nconvert = lambda src, dst: open(dst, \"w\").write(jinja2.Template(open(src).read()).render(**os.environ))\n\n# Actual startup script\nresolve = retry(socket.gethostbyname, stop=tenacity.stop_after_attempt(100), wait=tenacity.wait_random(min=2, max=5))\nos.environ[\"FRONT_ADDRESS\"] = resolve(os.environ.get(\"FRONT_ADDRESS\", \"front\"))\nos.environ[\"REDIS_ADDRESS\"] = resolve(os.environ.get(\"REDIS_ADDRESS\", \"redis\"))\nif os.environ[\"WEBMAIL\"] != \"none\":\n    os.environ[\"WEBMAIL_ADDRESS\"] = resolve(os.environ.get(\"WEBMAIL_ADDRESS\", \"webmail\"))\n\nfor dovecot_file in glob.glob(\"/conf/*.conf\"):\n    convert(dovecot_file, os.path.join(\"/etc/dovecot\", os.path.basename(dovecot_file)))\n\n# Run Podop, then postfix\nmultiprocessing.Process(target=start_podop).start()\nos.system(\"chown -R mail:mail /mail /var/lib/dovecot /conf\")\nos.execv(\"/usr/sbin/dovecot\", [\"dovecot\", \"-c\", \"/etc/dovecot/dovecot.conf\", \"-F\"])\n", "path": "core/dovecot/start.py"}], "after_files": [{"content": "#!/usr/bin/python3\n\nimport jinja2\nimport os\nimport socket\nimport glob\nimport multiprocessing\nimport tenacity\n\nfrom tenacity import retry\nfrom podop import run_server\n\n\ndef start_podop():\n    os.setuid(8)\n    run_server(3 if \"DEBUG\" in os.environ else 0, \"dovecot\", \"/tmp/podop.socket\", [\n\t\t(\"quota\", \"url\", \"http://admin/internal/dovecot/\u00a7\"),\n\t\t(\"auth\", \"url\", \"http://admin/internal/dovecot/\u00a7\"),\n\t\t(\"sieve\", \"url\", \"http://admin/internal/dovecot/\u00a7\"),\n    ])\n\nconvert = lambda src, dst: open(dst, \"w\").write(jinja2.Template(open(src).read()).render(**os.environ))\n\n# Actual startup script\nresolve = retry(socket.gethostbyname, stop=tenacity.stop_after_attempt(100), wait=tenacity.wait_random(min=2, max=5))\nos.environ[\"FRONT_ADDRESS\"] = resolve(os.environ.get(\"FRONT_ADDRESS\", \"front\"))\nos.environ[\"REDIS_ADDRESS\"] = resolve(os.environ.get(\"REDIS_ADDRESS\", \"redis\"))\nif os.environ[\"WEBMAIL\"] != \"none\":\n    os.environ[\"WEBMAIL_ADDRESS\"] = resolve(os.environ.get(\"WEBMAIL_ADDRESS\", \"webmail\"))\n\nfor dovecot_file in glob.glob(\"/conf/*.conf\"):\n    convert(dovecot_file, os.path.join(\"/etc/dovecot\", os.path.basename(dovecot_file)))\n\n# Run Podop, then postfix\nmultiprocessing.Process(target=start_podop).start()\nos.system(\"chown mail:mail /mail\")\nos.system(\"chown -R mail:mail /var/lib/dovecot /conf\")\nos.execv(\"/usr/sbin/dovecot\", [\"dovecot\", \"-c\", \"/etc/dovecot/dovecot.conf\", \"-F\"])\n", "path": "core/dovecot/start.py"}]}