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Heroku                                    By Bhagwat Kumar                        http://twitter.com/bhagwatkumar5th Jan 2...
Agenda    Cloud Computing and Heroku    Process Model    Dynos Manifold    Deployment Stack    Add-on Services    Us...
Cloud Computing and HerokuCloud computing is a general term for  anything that involves delivering hosted  services over t...
Heroku    a new way of building and deploying web    apps.    Spend 100% of your time on application    code.    Forget...
How it works?    Deploy – just a git push    Connect – add 3 party resources                         rd    Command – Us...
Git with Heroku
Process Model    Process Type                  Web : web application                  Worker : timed jobs and queuing s...
Process Model cont...
Dyno    Basic unit of composition on Heroku.    A lightweight container running a single    user-specified command/proce...
Dyno composition    Your app    Framework support    Config vars    Own file system for temp usage    512MB of RAM
Dyno Manifold                   Provides an environment for                    your apps dynos:                       •  ...
Deployment StackA stack is a complete deployment environment  including :            base operating system            la...
Popular add-on services
Usage & Billing    Usage is computed from wall-clock time,    not CPU time.    Current charge : $0.05 per hour per dyno...
Get readyRegister here  https://api.heroku.com/signup/devcenterInstall Heroku Toolbelt (CLI) from  https://toolbelt.heroku...
Sample commandsheroku helpheroku loginheroku create --stack cedarheroku apps:rename newnameheroku apps:rename newname --ap...
Sample commands (git)add heroku remote to existing projectgit remote add heroku git@heroku.com:project.gitpush different p...
Sample commands (config)See all the config available for your projectheroku configAdd a key-value pair to configheroku con...
Sample commands (sharing)Change owner of the heroku projectheroku sharing:transfer owner@xyz.comAdd collaboratorheroku sha...
Sample commands (process)See all running processesheroku pswatch heroku psRestart all dynosheroku restartRun bash shellher...
Sample commands (add-ons)heroku addons:listheroku addons:add heroku-postgresqlheroku pg:waitheroku addons:remove heroku-po...
Heroku postgres-db commandsheroku pg:infoheroku pg:credentials COLORheroku pg:psql
Heroku postgres backupheroku addons:add pgbackupsheroku addons:add pgbackups:plus #plus planheroku addons:add pgbackups:au...
Thank you :)
Heroku
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Heroku

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"Heroku" presentation given at Intelligrape Software Knowledge sharing session. Contains commonly used commands of Heroku CLI.

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Heroku

  1. 1. Heroku By Bhagwat Kumar http://twitter.com/bhagwatkumar5th Jan 2013
  2. 2. Agenda Cloud Computing and Heroku Process Model Dynos Manifold Deployment Stack Add-on Services Usage and Billing CLI
  3. 3. Cloud Computing and HerokuCloud computing is a general term for anything that involves delivering hosted services over the Internet.SAASPAASIAAS
  4. 4. Heroku a new way of building and deploying web apps. Spend 100% of your time on application code. Forget managing servers, deployment, ongoing operations, or scaling.
  5. 5. How it works? Deploy – just a git push Connect – add 3 party resources rd Command – Use CLI/web interface Observe – All activities logged using Logplex Scale – independent scaling of components Relax - takes full responsibility for your apps health.
  6. 6. Git with Heroku
  7. 7. Process Model Process Type  Web : web application  Worker : timed jobs and queuing systems Each app has a set of running processes and the processes are instantiated using Process Type as prototype.
  8. 8. Process Model cont...
  9. 9. Dyno Basic unit of composition on Heroku. A lightweight container running a single user-specified command/process. Possible commands – Web processes – Worker processes – Other processes defined in Procfile
  10. 10. Dyno composition Your app Framework support Config vars Own file system for temp usage 512MB of RAM
  11. 11. Dyno Manifold  Provides an environment for your apps dynos: • distributed • fault-tolerant • horizontally scalable  Tasks • restarting faulty dyno • checking for idle dyno • restarting on config change
  12. 12. Deployment StackA stack is a complete deployment environment including :  base operating system  language runtime  associated libraries.
  13. 13. Popular add-on services
  14. 14. Usage & Billing Usage is computed from wall-clock time, not CPU time. Current charge : $0.05 per hour per dyno Each app gets 750 free dyno-hours/month – run 1 dyno for an entire month for free OR – run 2 dynos for 1/2 of a month Add-on services have their own charges
  15. 15. Get readyRegister here https://api.heroku.com/signup/devcenterInstall Heroku Toolbelt (CLI) from https://toolbelt.heroku.com/Or if you use Ubuntu then :wget -qO- https://toolbelt.heroku.com/install-ubuntu.sh | sh
  16. 16. Sample commandsheroku helpheroku loginheroku create --stack cedarheroku apps:rename newnameheroku apps:rename newname --app oldname(http://newname.heroku.com/ | git@heroku.com:newname.git)git push heroku masterheroku logs -t
  17. 17. Sample commands (git)add heroku remote to existing projectgit remote add heroku git@heroku.com:project.gitpush different project code on existing heroku appgit push --force heroku masterDeploy git yourbranch instead of mastergit push heroku yourbranch:masterRemove heroku remote from the projectgit remote rm heroku
  18. 18. Sample commands (config)See all the config available for your projectheroku configAdd a key-value pair to configheroku config:add COMPANY=Intelligrape SoftwareRemove keys from configsheroku config:remove COMPANY OTHER_VAR//config variables are available as System properties on heroku.// in Java/Groovy System.getenv(COMPANY)
  19. 19. Sample commands (sharing)Change owner of the heroku projectheroku sharing:transfer owner@xyz.comAdd collaboratorheroku sharing:add my_email@xyz.comRemove collaboratorheroku sharing:remove my_email@xyz.com
  20. 20. Sample commands (process)See all running processesheroku pswatch heroku psRestart all dynosheroku restartRun bash shellheroku run bash
  21. 21. Sample commands (add-ons)heroku addons:listheroku addons:add heroku-postgresqlheroku pg:waitheroku addons:remove heroku-postgresql
  22. 22. Heroku postgres-db commandsheroku pg:infoheroku pg:credentials COLORheroku pg:psql
  23. 23. Heroku postgres backupheroku addons:add pgbackupsheroku addons:add pgbackups:plus #plus planheroku addons:add pgbackups:auto-week #auto-week planheroku pgbackups:capture #default database backup creationheroku pgbackups:capture HEROKU_POSTGRESQL_PINK #selected database backupheroku pgbackups:capture --expire # delete manual oldest backupheroku pgbackups# see backups b indicates manual and a indicates autoheroku pgbackups:url b004 # provides a 10 minute backup download public urlheroku pgbackups:destroy b003 # delete a backupheroku pgbackups:restore DATABASE b251 # restore backup to DATABASEheroku pgbackups:restore HEROKU_POSTGRESQL_PINK b251 #restore to PINK database
  24. 24. Thank you :)

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