Development is Production Too

Development isProduction Too Goulah / Kastner

How is developmentdiﬀerent than production?

How is development like production?

Automation!

Expertise

“Knowledge, by deﬁnition, is specialized” Peter Drucker

Leverage

Business Value!

Lack of Tooling

Dear Team....

Tools!

Bad Abstractions

What are YouOptimizing For?

“I don’t know”

Optimize for… Day 1

Application Code

Application CodeData

Application CodeData Environment

Consistency

ENVIRONMENT=prod

• Resource handles to DB/Memcached/Search

• Resource handles to DB/Memcached/Search• Credentials to external services (S3, Twitter, etc)

• Resource handles to DB/Memcached/Search• Credentials to external services (S3, Twitter, etc)• Per deploy values (canonical hostname)

• Resource handles to DB/Memcached/Search• Credentials to external services (S3, Twitter, etc)• Per deploy values (canonical hostname)• Conﬁg/feature ﬂags

Optimize for…Changability

InconsistentEnvironments

Development Production

Shared ConﬁgManagement

VM Templates

Data is Diﬀerent

Local vs. Shared

Where Does Data Come From?

Copy Prod to Dev

Fixture Data

Subsets of Data

Use Production?

step 0:make sure you can survive catastrophic failure

step 1:test data in production

TextProd

DevProd

incognito=true Text DevProd

Dev incognito=true DevProd

select * from user where id=10 and incognito=false

Dev incognito=true DevProd

The Three Rs

Reduce

Recycle

Thank You

Thank You@johngoulah / @kastner

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Development is Production Too

by jgoulah on Jul 20, 2012

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