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Microservices with Laravel Lumen
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Mathias Hansen
November 18, 2015
Technology
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Microservices with Laravel Lumen
PHP World 2015
Mathias Hansen
November 18, 2015
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Transcript
Microservices with Laravel Lumen by @MathiasHansen php[world] 2015
Who I Am » I speak English, Danish, and PHP
» Have done so for most of my life » Self-proclaimed Laravel evangelist » Started Capital Laravel Group in 2013
What I Do
What We're Going to Do » Microservices, defined » How
we're using Microservices at VB » Benefits and drawbacks » Microservices with Lumen » Questions
What's a Microservice?
A Microservice should be Designed around a single business capability
None
None
We have... » A big monolithic app » A growing
team » Concerns mostly separated » Let's go one step further
! Microservices ! to the rescue
None
Implementing a Microservice
None
Define a contract » REST? » Protobuf? » SOAP? (please
don't do this)
Plan ahead » How big should your service be? »
How many services should you have? » Share common code across services » use composer
Use an API Manager » api.videoblocks.com/search ➡ searchservice.internal » api.videoblocks.com/abtest
➡ abtestservice.internal » Authentication » Rate limiting » Usage tracking
A Microservice Hybrid or go all the way? » Monolithic
app + Micro services » Static Frontend + Micro services » PHP Gateway + Micro services
Immediate benefits
Teamwork, simplified » Can use any programming language or data
store under the hood » A small team can own the entire process from dev to deployments » Great for onboarding
Deployments, simplified » Deploy a "piece" of the app instead
of full monolith » Independent deployment schedule
Testing, simplified » Unit test » Internal functionality » Integration
test » External interface » Load test » Ability to test each service individually
Scaling, simplified Allocate extra resources to the service that needs
it » Isolate hot/cold zones
Hold your horses
None
Things to Consider
Complexity » Increases complexity of your app » Network overhead
» More planning necessary
How big is your team?
Automation is key Development ➡ testing ➡ deployment
None
What is Lumen?
A microframework » But not necessarily in the traditional sense
» Based on Laravel components » Follows Laravel versioning » Laravel Lumen 5.1 ➡ Laravel 5.1
It still packs a punch » Blade (templating) » Caching
» Commands » Controllers » Eloquent ORM » Dependency Injection » Queueing » Testing » And more...
If you're familiar with Laravel, you already know how to
use Lumen.
Lumen is fast
No, seriously! It's kind of the point
Faster routing + Opt-in rather than opt-out = Smaller footprint
out of the box
Routing » Uses nikic/FastRoute for routing » You don't need
a fancy C extension to make routing fast
Opt-in » Core features has to be explictly enabled: »
dotenv, facades, Eloquent ORM, etc. » Service Providers » Middlewares » CSRF protection, cookie encryption, session handling etc.
What is Lumen not? » Does not support Laravel 5
packages » Very minimal config system out of the box » Uses environment variables » Can use full config system if you want » Router has fewer features
Use cases
Use it for Microservices duh!
Tiny websites Status page, landing page Example: status.geocod.io
High-traffic component of your website Example: Envoyer cron job heartbeat
The competition
Conclusion » Define your contract first » Design your microservice
around a single business capability » Plan ahead » Define testing & deployment strategy » Use Lumen for microservices or other small standalone apps
Additional resources Building Microservices by Sam Newman Martin Fowler's Articles
http://martinfowler.com/articles/microservices.html Taylor Otwell's Lumen Laracasts https://laracasts.com/lessons/introducing-lumen
Questions? Talk to me @MathiasHansen
[email protected]