diff --git a/infra/nginx/Dockerfile b/infra/nginx/Dockerfile
index 00e3763..3f706f0 100644
--- a/infra/nginx/Dockerfile
+++ b/infra/nginx/Dockerfile
@@ -2,4 +2,4 @@ FROM nginx:1.25.4-alpine-slim
 
 ARG NGINX_NAME
 
-COPY ./${NGINX_NAME} /etc/nginx/templates/default.conf.template
+COPY nginx_dev.conf /etc/nginx/templates/default.conf.template
diff --git a/src/backend/config/settings/dev.py b/src/backend/config/settings/dev.py
index 3860ef3..bd510bf 100644
--- a/src/backend/config/settings/dev.py
+++ b/src/backend/config/settings/dev.py
@@ -5,7 +5,7 @@
 EMAIL_PORT = 587
 
 CORS_ALLOWED_ORIGINS = [
-    "http://89.23.117.80",
-    "http://devcodepet.tw1.ru",
-    "http://localhost:3000",
+    "https://89.23.117.80",
+    "https://devcodepet.tw1.ru",
+    "https://localhost:3000",
 ]
diff --git a/src/backend/config/settings/prod.py b/src/backend/config/settings/prod.py
index 19841cf..083701e 100644
--- a/src/backend/config/settings/prod.py
+++ b/src/backend/config/settings/prod.py
@@ -8,7 +8,7 @@
 EMAIL_PORT = 587
 
 CORS_ALLOWED_ORIGINS = [
-    "http://89.23.117.168",
-    "http://testcodepet.tw1.ru",
-    "http://localhost:3000",
+    "https://89.23.117.168",
+    "https://testcodepet.tw1.ru",
+    "https://localhost:3000",
 ]