Add PHP date.timezone env var

Author: indiegenus

template/Dockerfile.blade.php

@@ -7,6 +7,7 @@
 @unless ($prod)
     ENABLE_XDEBUG=false \
 @endunless
+    PHP_DATE_TIMEZONE=UTC \
     PHP_MEMORY_LIMIT=256M \
     PHP_MAX_INPUT_VARS=1000 \
     PHP_UPLOAD_MAX_FILESIZE=25M \

template/kool-ini.blade.php

@@ -22,6 +22,10 @@
 ; Note: This directive is hardcoded to 0 for the CLI SAPI
 max_execution_time = @{{ .Env.PHP_MAX_EXECUTION_TIME }}
 
+; Default timezone used by all date/time functions.
+; https://www.php.net/manual/en/datetime.configuration.php#ini.date.timezone
+date.timezone = @{{ .Env.PHP_DATE_TIMEZONE }}
+
 {{-- OPCACHE --}}
 @if ($prod)
 [opcache]