Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
12 Factor App
Search
Craig Kerstiens
June 28, 2012
Programming
12
1.1k
12 Factor App
12 Factor Application talk given at Cloud East
Craig Kerstiens
June 28, 2012
Tweet
Share
More Decks by Craig Kerstiens
See All by Craig Kerstiens
Product planning w/ gridding - Effort vs. Impact rule of thirds
craigkerstiens
0
300
Five sharding data models and which is right? PGDay Nordic
craigkerstiens
0
190
Postgres at any scale
craigkerstiens
1
840
Five data models for sharding and which is right
craigkerstiens
0
140
Postgres Performance for Humans - All things Open
craigkerstiens
1
310
Postgres Performance for Humans - PyCaribbean
craigkerstiens
1
150
Postgres present and future
craigkerstiens
1
340
Marketing for Developers
craigkerstiens
0
240
Postgres – A Data Platform
craigkerstiens
2
460
Other Decks in Programming
See All in Programming
明示と暗黙 ー PHPとGoの インターフェイスの違いを知る
shimabox
1
140
Datadog RUM 本番導入までの道
shinter61
1
310
Select API from Kotlin Coroutine
jmatsu
1
180
The Evolution of Enterprise Java with Jakarta EE 11 and Beyond
ivargrimstad
1
840
SODA - FACT BOOK
sodainc
1
1.1k
「Cursor/Devin全社導入の理想と現実」のその後
saitoryc
0
110
関数型まつりレポート for JuliaTokai #22
antimon2
0
130
Benchmark
sysong
0
230
社内での開発コミュニティ活動とモジュラーモノリス標準化事例のご紹介/xPalette and Introduction of Modular monolith standardization
m4maruyama
1
130
第9回 情シス転職ミートアップ 株式会社IVRy(アイブリー)の紹介
ivry_presentationmaterials
1
200
なんとなくわかった気になるブロックテーマ入門/contents.nagoya 2025 6.28
chiilog
0
110
つよそうにふるまい、つよい成果を出すのなら、つよいのかもしれない
irof
1
300
Featured
See All Featured
VelocityConf: Rendering Performance Case Studies
addyosmani
330
24k
What’s in a name? Adding method to the madness
productmarketing
PRO
22
3.5k
Measuring & Analyzing Core Web Vitals
bluesmoon
7
490
Practical Tips for Bootstrapping Information Extraction Pipelines
honnibal
PRO
20
1.3k
Keith and Marios Guide to Fast Websites
keithpitt
411
22k
Fantastic passwords and where to find them - at NoRuKo
philnash
51
3.3k
GraphQLの誤解/rethinking-graphql
sonatard
71
11k
Principles of Awesome APIs and How to Build Them.
keavy
126
17k
Making the Leap to Tech Lead
cromwellryan
134
9.3k
Become a Pro
speakerdeck
PRO
28
5.4k
The Myth of the Modular Monolith - Day 2 Keynote - Rails World 2024
eileencodes
26
2.8k
Git: the NoSQL Database
bkeepers
PRO
430
65k
Transcript
12 Factor App
Craig Kerstiens @craigkerstiens work at @heroku
First Some History
Where We’ve Been Version Control | Dependency Management | Build
Release
Where We’ve Been Version Control | Dependency Management | Build
Release Folders
Where We’ve Been Version Control | Dependency Management | Build
Release Folders SVN,Perforce,Source Safe
Where We’ve Been Version Control | Dependency Management | Build
Release Folders SVN,Perforce,Source Safe Git,Mercurial
Version Control | Dependency Management | Build Release Now
Version Control | Dependency Management | Build Release Now 1
Code base Many deploys
Version Control | Dependency Management | Build Release Now 1
Code base Many deploys
Version Control | Dependency Management | Build Release Now 1
Code base Many deploys
Version Control | Dependency Management | Build Release Where We’ve
Been
Version Control | Dependency Management | Build Release Where We’ve
Been $ python setup.py install $ ruby setup.rb install
Version Control | Dependency Management | Build Release Where We’ve
Been $ python setup.py install $ ruby setup.rb install $ INSTALL FROM SOURCE
Version Control | Dependency Management | Build Release Now
Version Control | Dependency Management | Build Release $ pip
install -r requirements.txt $ bundle install Now
Version Control | Dependency Management | Build Release $ pip
install -r requirements.txt $ bundle install Now $ INSTALL PINNED VERSIONS
Version Control | Dependency Management | Build Release Where We’ve
Been
$ rsync myproject tomyserver Version Control | Dependency Management |
Build Release Where We’ve Been
Version Control | Dependency Management | Build Release Now
Version Control | Dependency Management | Build Release Now
Version Control | Dependency Management | Build Release Now
Enough History
12 Factor
Declarative Setup - Minimize Setup Time 12 Factor
Declarative Setup - Minimize Setup Time Clean Contracts - Portability
12 Factor
Declarative Setup - Minimize Setup Time Clean Contracts - Portability
Deploy Practices - Cloud and horizontal scaling 12 Factor
Declarative Setup - Minimize Setup Time Clean Contracts - Portability
Deploy Practices - Cloud and horizontal scaling Minimize Divergence - Continuous Deployment 12 Factor
Dev-Prod Parity Dev Prod Parity | Config | Concurrency |
Backing Services | Logs
dev Dev-Prod Parity Dev Prod Parity | Config | Concurrency
| Backing Services | Logs
dev = staging Dev-Prod Parity Dev Prod Parity | Config
| Concurrency | Backing Services | Logs
dev = staging = prod Dev-Prod Parity Dev Prod Parity
| Config | Concurrency | Backing Services | Logs
dev = staging = prod sqlite postgres postgres Dev-Prod Parity
Dev Prod Parity | Config | Concurrency | Backing Services | Logs
dev = staging = prod sqlite postgres postgres Dev-Prod Parity
Dev Prod Parity | Config | Concurrency | Backing Services | Logs ≠ ≠
dev = staging = prod sqlite postgres postgres postgres =
postgres = postgres Dev-Prod Parity Dev Prod Parity | Config | Concurrency | Backing Services | Logs ≠ ≠
Config Dev Prod Parity | Config | Concurrency | Backing
Services | Logs
Config var server=”servername” var username=”username” var password=”password” var dbname =
“dname” Dev Prod Parity | Config | Concurrency | Backing Services | Logs
Config Dev Prod Parity | Config | Concurrency | Backing
Services | Logs
Config (External to your code) Dev Prod Parity | Config
| Concurrency | Backing Services | Logs
Config (External to your code) var server=ENV[‘server’] var username=ENV[‘username’] var
password=ENV[‘password’] var dbname = ENV[‘dbname’] Dev Prod Parity | Config | Concurrency | Backing Services | Logs
Processes Dev Prod Parity | Config | Concurrency | Backing
Services | Logs
web.1 Processes Dev Prod Parity | Config | Concurrency |
Backing Services | Logs
web.1 web.2 Processes Dev Prod Parity | Config | Concurrency
| Backing Services | Logs
web.1 web.2 Scale Processes Dev Prod Parity | Config |
Concurrency | Backing Services | Logs
web.1 web.2 worker.1 clock.1 Workload Diversity Scale Processes Dev Prod
Parity | Config | Concurrency | Backing Services | Logs
web.1 web.2 worker.1 worker.2 worker.3 worker.4 clock.1 Workload Diversity Scale
Processes Dev Prod Parity | Config | Concurrency | Backing Services | Logs
Backing Services Dev Prod Parity | Config | Concurrency |
Backing Services | Logs
Backing Services Dev Prod Parity | Config | Concurrency |
Backing Services | Logs Stateless Processes
Backing Services Dev Prod Parity | Config | Concurrency |
Backing Services | Logs Stateless Processes External Config
Backing Services Dev Prod Parity | Config | Concurrency |
Backing Services | Logs Stateless Processes External Config DATABASE_URL=postgres://username:pass@host/db MEMCACHE_URL=username:pass@host/db
Logs Dev Prod Parity | Config | Concurrency | Backing
Services | Logs
How we use logs $ ssh tomyserver $ cat access_log
Logs Dev Prod Parity | Config | Concurrency | Backing Services | Logs
How we use logs $ ssh tomyserver $ cat access_log
How we perceive logs $ tail -f access_log Logs Dev Prod Parity | Config | Concurrency | Backing Services | Logs
Logs Dev Prod Parity | Config | Concurrency | Backing
Services | Logs
DB Logs Dev Prod Parity | Config | Concurrency |
Backing Services | Logs
DB Web Logs Dev Prod Parity | Config | Concurrency
| Backing Services | Logs
DB Web Worker Logs Dev Prod Parity | Config |
Concurrency | Backing Services | Logs
Event Stream DB Web Worker Logs Dev Prod Parity |
Config | Concurrency | Backing Services | Logs
Event Stream 2012-02-22T19:56:40+00:00 [postgres]: .... 2012-02-22T19:56:40+00:00 [router]: GET mysite.com/ ...
2012-02-22T19:56:40+00:00 [nginx]: .... 2012-02-22T19:56:40+00:00 [worker]: .... DB Web Worker Logs Dev Prod Parity | Config | Concurrency | Backing Services | Logs
12 Factor
Declarative Setup Clean Contracts Deploy Practices Minimize Divergence 12 Factor
Fin. Resources http://craigkerstiens.com http://speakerdeck.com/u/craigkerstiens http://www.12factor.net