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Rails Pacific - Multitenancy with Rails
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Ryan Bigg
October 25, 2014
Programming
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230
Rails Pacific - Multitenancy with Rails
Covers the lessons learned about Multitenancy with Rails in the process of writing my book.
Ryan Bigg
October 25, 2014
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Transcript
lifx.co
#21 Not #21
Multitenancy with Rails Ryan Bigg
None
None
Multitenancy?
None
None
None
Organization Team Repos
User Repos
None
…
DOGLIFEBETA! Garçon Fluffy Brutus “Like Facebook, but for dogs”
Multitenancy with Rails?
None
Is it… ✔ well maintained ✔ well documented ✔ clean
code
acts_as_tenant ✔ well documented
acts_as_tenant ✔ well maintained ✔ 140 commits, 19 contributors, low
issue count ✔ CI on Travis
acts_as_tenant ✔ clean code
acts_as_tenant
RequestStore.store
None
Thread.current Thread.current
apartment ✔ well documented ✔ well maintained ✔ clean code
“If you are using PostgreSQL, Apartment by default will set
up a new schema and migrate into there.”
“If you are using PostgreSQL, Apartment by default will set
up a new schema and migrate into there.”
None
“A database contains one or more named schemas, which in
turn contain tables.” “There are several reasons why one might want to use schemas: * To allow many users to use one database without interfering with each other.”
“To allow many users to use one database without interfering
with each other.”
ryanbigg=# SHOW search_path; search_path ---------------- "$user",public (1 row) "$user",public
fluffy.doglife.com garcon.doglife.com DOGLIFE BETA! brutus.doglife.com 1 2 3
(1.4ms) CREATE SCHEMA "garcon" <more tables go here>
None
None
None
DEPLOY IT!
Heroku Postgres
Backup time 24 hours
PostgreSQL is great
PostgreSQL with too many schemas
Part 2: Schema-less Multitenancy
Apartment
None
TEST ALL THE TIME
TEST ALL THE TIME?
TEST ALL THE TIME
Are you testing right now? No?
TEST ALL THE TIME OR ELSE
A codebase without tests
fluffy.doglife.com Fluffy’s Posts current_account = Fluffy @posts = current_account.posts fluffy.doglife.com/posts
Feature #1: Viewing Posts
A guest on Account A’s subdomain should only see Account
A’s posts Expected to not see “<Account B’s post>” Feature #1: Viewing Posts
Feature #1: Viewing Posts
Feature #1: Viewing Posts
Feature #1: Viewing Posts
A guest on Account A’s subdomain should only see Account
A’s posts Feature #1: Viewing Posts
fluffy.doglife.com Fluffy’s Posts current_account = Fluffy @posts = current_account.posts fluffy.doglife.com/posts
Feature #1: Viewing Posts
fluffy.doglife.com Fluffy’s Albums current_account = Fluffy @albums = current_account.albums fluffy.doglife.com/albums
Fluffy’s First Birthday Pictures @pictures = @album.pictures fluffy.doglife.com/albums/1/pictures Feature #2: Viewing Pictures
A guest on Account A’s subdomain should only see Account
A’s albums Expected to not see “<Account B’s album>” Feature #2: Viewing Pictures
Feature #2: Viewing Pictures
Feature #2: Viewing Pictures
A guest on Account A’s subdomain should only see Account
A’s albums Feature #2: Viewing Pictures
A guest on Account A’s subdomain viewing an album shows
pictures from that album Expected to not see “<Account B’s picture>” Feature #2: Viewing Pictures
Feature #2: Viewing Pictures
Feature #2: Viewing Pictures
A guest on Account A’s subdomain viewing an album shows
pictures from that album Feature #2: Viewing Pictures
fluffy.doglife.com Fluffy’s Albums current_account = Fluffy @albums = current_account.albums fluffy.doglife.com/albums
Fluffy’s First Birthday Pictures @pictures = @album.pictures fluffy.doglife.com/albums/1/pictures Feature #2: Viewing Pictures
Feature #2: Viewing Pictures
REGRESSION TEST ALL THE TIME
Feature #2: Viewing Pictures
None
Part 3: Subscriptions
None
doglife.com/sign_up plan = Basic ($9.99) Feature #3: User subscribes to
a plan ???
“Writing code to manage subscriptions is easy.” - nobody, ever
Your subscriptions code
PayPal
None
PayPal
None
“Stripe makes recurring and subscription-based billing easy.”
None
None
None
:CreateRecurringPaymentsProfileRequestDetails PayPal
None
“My company makes your life easy.”
doglife.com/sign_up plan = Basic ($9.99) Feature #3: User subscribes to
a plan
None
[email protected]
[email protected]
⁉
[email protected]
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