Deployment tales

1. Deployment tales
OLEKSANDR SIMONOV

2. About Me
•Oleksandr Simonov
•Businessman/Software Engineer/DevOps
•13 years in IT
•8 years with Ruby
•Open Source contributor
•Github: @simonoff

3. Shared Hosting Era
Dedicated Server Era
Cloud Era
What is wrong in every Era?
?!

4. Shared Hosting Era
Apache

5. Shared Hosting Era
Apache
PERL/CGI

6. Shared Hosting Era
Apache
PERL/CGI
PHP

7. Shared Hosting Era
Apache
PERL/CGI
PHP
MySQL

9. Deployment Process
1. Edit File
2. Upload
3. Open browser
4.Say: F*CK
5. Close browser
6. GOTO 1

11. Dedicated Server Era
Debian/Red Hat

12. Dedicated Server Era
Debian/Red Hat
sudo

13. Dedicated Server Era
Debian/Red Hat
sudo
vim

14. Dedicated Server Era
Debian/Red Hat
sudo
vim
rm -rf /

16. Deployment Process
tar cvzf suppa.tar.gz suppa
scp suppa.tar.gz root@server.com:/
ssh root@server.com
tar xvzf /suppa.tar.gz /var/www/

18. Cloud Era
capistrano

19. Cloud Era
capistrano
vlad

20. Cloud Era
capistrano
vlad
mina

22. Cloud Era
capistrano
vlad
mina
ssh -> cd ..-> rails s production

23. Cloud Era

25. Every Era Wrong
There is no daemons
There is a lot crushes
There is a lot bugs
There is no persistence on restart

26. “Something went wrong”
–Nginx default page

27. Usual fix
init script
passenger

28. Better fix
daemon tools
runit
systemd

29. RUNIT
a UNIX init scheme with service
supervision

30. capistrano + runit

31. capistrano + runit
all parts are services
all parts will be restarted
all parts management without
root/sudo

32. capistrano-runit gems collection
puma
sidekiq
resque
rake

33. https://github.com/
capistrano-runit

34. QUESTIONS?