Post on 14-Apr-2017
How to slice your monolithic webapp
using
value.quality.scale
MicroApps architecture
@yonatanm
value.quality.scale
Outbrain
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once upon a time...
* Multiple teams* Multiple products* More and more features
* Multiple teams* Multiple products* More and more features
A few years later
What's the tech-debt level ?
Question #1
Answer #1
Now what ?
Want to buy a MicroService?
* Hiding impl. details* Deploy independently* Robustness by isolation* Independence / Autonomy
* Hiding impl. details* Deploy independently* Robustness by isolation* Independence / Autonomy
MicroServices naive Arch
app1
AuthO
APP2
AuthO
APP3
AuthO
MicroApp1
http://mysite1/**http://mysite2/**http://mysite3/**
AOTHEN
SECURITY
SESSION
AOTHEN
SECURITY
SESSION
AOTHEN
SECURITY
SESSION
* Sessions
* Security
* Allow-Origin CORS
* Reuse common interceptors?
* Sessions
* Security
* Allow-Origin CORS
* Reuse common interceptors?
MicroServices naive Arch
MicroApps Arch
Authentication && SECURITY && Session
app1/ /**Proxy
app2/ /**Proxy
app1
AuthO
APP2
AuthO
APP3
AuthO
app3/ /**Proxy
MicroApp1
GateWAY
Service
http://mysite/app1http://mysite/app2 http://mysite/app3
How to get there?
Question #2
How to get there?
Answer #2
* Define your areas
* Map the areas
* Change routs if needed
* Define your areas
* Map the areas
* Change routs if neededapp1/
/**app2/
/**
Step #1 towards MicroApps
LEGACYwebapp
Proxy and all that Jazzapp1
Auth
MicroApp
App1Proxy
* Routing* Handles inbound request* Handles outbound responses
* Routing* Handles inbound request* Handles outbound responses
LegaCYWeb App
app1/
/**GateWAYService
The Proxy Protocol
App1Proxy
app1
Auth
MicroApp
* Session header
* Specific cookie
* User's IP
* Session header
* Specific cookie
* User's IP
* Body
* Encoding
* HTTP Status
* Body
* Encoding
* HTTP StatusLegaCYWeb App
GateWAYService
Know your Proxy
* The Proxy Protocol
* Connection pool
* Performance metrics
* Failures metrics
* logs
* The Proxy Protocol
* Connection pool
* Performance metrics
* Failures metrics
* logs
Infrastructure as a service
* Session as a service* SSL* Access logs* Security* Monitoring* CDN integration
* Session as a service* SSL* Access logs* Security* Monitoring* CDN integration
Authentication && SECURITY && Session
app1/ /**Proxy
app2/ /**Proxy
app3/ /**Proxy
GateWAY
Service
Technology
* Custom technology stack * Reducing tech debt* Gradual upgrade* Velocity && Quality
* Custom technology stack * Reducing tech debt* Gradual upgrade* Velocity && Quality
Culture
* Autonomy and Freedom
* Clear ownership
* Focus
* Responsibility <> Accountability
* Autonomy and Freedom
* Clear ownership
* Focus
* Responsibility <> Accountability
I did it my Way
Giving ppl as much as possible to do their jobGiving ppl as much as possible to do their jobfreedom
* Another moving part
* Latency
* hard to compete HAProxy
* no more one CSS to rule them all
* Another moving part
* Latency
* hard to compete HAProxy
* no more one CSS to rule them all
* Initiated ~ 2yrs ago* 6+ MicroApps – different teams – different technology stack* Gradual roll-out * WIP - Rewrite Gateway Service
* Initiated ~ 2yrs ago* 6+ MicroApps – different teams – different technology stack* Gradual roll-out * WIP - Rewrite Gateway Service
In MicroApps
Future work
* Circuit breaker
* Reusing web resources
* Open source it ?
* Circuit breaker
* Reusing web resources
* Open source it ?
Thank You
Q && A
value.quality.scale
Want to know more about
Contact me
Want to know more about
Contact me
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