Merge pull request #2424 from appleboy/locale

chore(php-fpm): update the default locale setting.

php-fpm/Dockerfile

@@ -880,6 +880,10 @@ RUN if [ ${INSTALL_FAKETIME} = true ]; then \
     echo "/usr/lib/x86_64-linux-gnu/faketime/libfaketime.so.1" > /etc/ld.so.preload \
 ;fi
 
+# Configure locale.
+ARG LOCALE=POSIX
+ENV LC_ALL ${LOCALE}
+
 WORKDIR /var/www
 
 CMD ["php-fpm"]