From 6c25c259d24e04926187c7ac7618f76792ec6628 Mon Sep 17 00:00:00 2001
From: Sergei Predvoditelev <sergei@predvoditelev.ru>
Date: Thu, 22 Jan 2026 16:12:02 +0300
Subject: [PATCH] Set locale `C.UTF-8` in `Dockerfile`

---
 CHANGELOG.md      | 1 +
 docker/Dockerfile | 2 ++
 2 files changed, 3 insertions(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 03f0f55..0403ece 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,7 @@
 
 - Chg #255: Refactor `Makefile` default command help logic (@samdark)
 - Bug #256: Fix incorrect .env files used in Docker Compose for production (@aa-chernyh)
+- Enh #258: Set locale `C.UTF-8` in `Dockerfile` (@vjik)
 
 ## 1.1.0 December 22, 2025
 
diff --git a/docker/Dockerfile b/docker/Dockerfile
index 26fac0c..850cf2f 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -19,6 +19,8 @@ RUN install-php-extensions \
     simplexml \
     pdo
 
+ENV LC_ALL=C.UTF-8
+
 #
 # Development
 #