A presentation at GraphQL Meetup in in Prague, Czechia by Jakub Beneš
Frodo Baggins but with Federated GraphQL
Wait, what?
jukben
Jakub Beneš Staff Engineer at Productboard » jukben.codes » @jukben » AMA later
Agenda » GraphQL and why we have chosen it » GraphQL Federation in nutshell » What we did and how we did it
Who knows GraphQL?
GraphQL in 180 seconds
Query language
Strongly typed » Nullable by default » Default scalars: Int, Float, String, Boolean, ID » Enums, Interfaces, Directives » https://spec.graphql.org/
You get what you ask for
Non-breaking changes
DX
Productboard’s Reasons
» YouTube
Federated GraphQL
Apollo Federation » https://www.apollographql.com/docs/federation/ federation-spec » Introduces a few of directives like: @key, @sharable to instruct Gateway how to do query planning.
Query planning
Our Implementation
Frontend
Backend » https://netflix.github.io/dgs/ built on top of Spring Boot » https://graphql-ruby.org » Server needs to follow Federation Spec and Global ID and Pagination spec
Federation » decided to go with managed Federation by Apollo Studio » schema registry with schema checking
Observability: Service
Observability: APM
Observability: Breaking changes
Morphing aka how to roll it out
The Ring
Fellowship @huvik @lukas_krecan @balvajs
Problem and Solution proposal
Transparent (over)communication
Make it fun
In numbers » We started in Q4 2021 » First product use-cases early this year » Now we have 8 subgraphs connected » 33 queries, 38 mutations, 150 types » 500 RPM in peak
Recap » Federated GraphQL is good especially if you want to iterate fast in distributed way » It’s easier to run big thing if you name it » Big changes requires patience
Thank you!
Resources » Pretty Glonky » Apollo Federation » Relay and Relay’s Global ID spec and Relay’s Pagination spec » DGS » GraphQL Ruby » Production Ready GraphQL
Jakub, Staff Engineer at Productboard will share a story and a few tips on how we approached rolling out GraphQL while we maintained a massive scale during a global pandemic. Recommended for all the fans of LoTR and GraphQL.
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