Merge branch '3-bitrix-volume' into 'master'

Resolve "Вынести ядро битрикс в отдельный volume"

Closes #3

See merge request !1
Status Job ID Name Coverage
  Startup
passed #2571
docker

00:04

passed #2573
status

00:00

failed #2570
status

00:00

 
  Build
failed #2572
staging

00:35

 
Name Stage Failure
failed
staging Build There is an unknown failure, please try again

symfony/console suggests installing symfony/event-dispatcher ()
symfony/console suggests installing symfony/filesystem ()
symfony/console suggests installing symfony/process ()
Writing lock file
Generating autoload files
[07:24:02] Local gulp not found in ~/site
[07:24:02] Try running: npm install gulp
ERROR: Build failed: exit status 1