From b556f85a53fad174da4c805360f01ede888a8122 Mon Sep 17 00:00:00 2001
From: tcely <tcely@users.noreply.github.com>
Date: Tue, 14 Apr 2026 11:37:07 -0400
Subject: [PATCH] chore(nginx): use environment variables for `gunicorn`

---
 config/root/etc/nginx/nginx.conf | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/config/root/etc/nginx/nginx.conf b/config/root/etc/nginx/nginx.conf
index 85ecbfef..eed42ad9 100644
--- a/config/root/etc/nginx/nginx.conf
+++ b/config/root/etc/nginx/nginx.conf
@@ -9,6 +9,10 @@ worker_processes auto;
 worker_cpu_affinity auto;
 pid /run/nginx.pid;
 
+# gunicorn
+env LISTEN_HOST;
+env LISTEN_PORT;
+
 # link configuration
 env CIPHERSERVER_PORT_8001_TCP_ADDR;
 env CIPHERSERVER_PORT_8001_TCP_PORT;
@@ -130,7 +134,17 @@ http {
 
         # Authentication and proxying
         location / {
-            proxy_pass http://127.0.0.1:8080;
+            # gunicorn host
+            set_by_lua_block $gunicorn_host {
+                return os.getenv('LISTEN_HOST') or '127.0.0.1'
+            }
+
+            # gunicorn port
+            set_by_lua_block $gunicorn_port {
+                return os.getenv('LISTEN_PORT') or '8080'
+            }
+
+            proxy_pass http://$gunicorn_host:$gunicorn_port;
             proxy_set_header Host localhost:$proxy_port;
             proxy_set_header X-Forwarded-Host $x_forwarded_host;
             proxy_set_header X-Forwarded-Port $x_forwarded_port;