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Firebase Firestore Find obile m S a a B s ackend ervice

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C N D J P 2 @nnao45 CyberAgent Inc. Infra/ServerSide Engineer ✔ Naoya Yokoyama Tech Advisor Startup Company ✔ Zsh,BGP,Go,Rust,MySQL,K8S,AWS,Ansible ✔ Vtuber,Game,Tennis ✔ サーバレスでエンジニアに愛を・・・！ 冪等性を保つべきかどうかの指標が欲しい ぶいちゅーばー友達募集！ ポケモン発売まで意識飛ばしたい勢 Rustのwebフレームワーク作成中... @nnao45,n4sekai5y@gmail.com ✔ サンフランシスコのセブン最高

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Agenda Firebase introduction Learn Firestore Arch mBaaS with CloudNative ✔ ✔ ✔

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Firebase?

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Firebase is… NoSQL? Push Notification? Serverless?

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Firebase is… NoSQL? Push Notification? Serverless? ✔ ✔ ✔

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DEPLOY MOBILE APP IS HARD WAY Database? Mongo,MySQL,Postgres,Oracle...etc Auth? Basic,Digest,JWT,PubKey...etc Async Logic? WebRTC,Quic,CustomProto…etc Hosting API? S3 Hosting,EC2,GAE…etc

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DEPLOY MOBILE APP IS HARD WAY Database! Auth! Async Logic! Hosting API! NoSQL Authentication SDK and WebRTC Hosting Front

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is mobile backend as a service https://firebase.google.com/?hl=ja

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CAN DEPLOY MOBILE APP USING ONLY FIREBASE WITH SERVERLESS ARCH hoge.firebaseapp.com Hosting NoSQL Authentication Cloudfunction Storage Push Notification Front

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CAN DEPLOY MOBILE APP USING ONLY FIREBASE WITH SERVERLESS ARCH mBaaS Self-Hosted Server NO NEED

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FOR EXAMPLE… MOBILE APP SEND MESSAGE Hosting api.hogame.link/api/v1/login Credential OK Credential Auth Authentication Call Privider host with like app

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FOR EXAMPLE… MOBILE APP SEND MESSAGE Hosting api.hogame.link/api/v1/message POST Message OK Firestore Cloudfunction SAVE Message Format Message SAVE for Analy Object Storage Storage SAVE Image DWH Analytics Tools

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FOR EXAMPLE… MOBILE APP SEND MESSAGE Hosting Firebase Apple Push iOS Push Message Notification Service Push Message Cloud Messaging api.hogame.link If you want to send push...

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FOR EXAMPLE… MOBILE APP SEND MESSAGE Hosting api.hogame.link/api/v1/message GET Message Firestore GET Message Storage GET Image Realtime Via SDK on WebRTC

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AND… Self-Hosted API Server I WANT TO USE API SEVER WITH FIRESTORE

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AND… Self-Hosted API Server I WANT TO USE API SEVER WITH FIRESTORE

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Can use serverside firestore sdk for some lang. https://cloud.google.com/firestore/docs/apis

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Firebase is mBaaS, I know! And want to study Firestore

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Firestore is… NoSQL, Base Document DB Awesome Realtime Communication ✔ ✔

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Firestore Introduction

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Firestore Introduction https://firebase.google.com/docs/firestore/?hl=ja

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Database Table Data Collection Document Data MySQL Firestore Firestore Introduction

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GET Message Realtime Via SDK on WebRTC Having Feature P/Sub Firestore Introduction

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Demo https://codelabs.developers.google.com/codelabs/ firebase-web/index.html Firestore Introduction

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Firestore is NoSQL

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Firestore is NoSQL No Schema Support Transaction Support Query Like SQL ORDER BY WHERE LIMIT

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Firestore is NoSQL users/ user_1/ user_2/ user_3/ created: 1555302970 role: admin status: active created: 1555302960 role: admin status: active created: 1555302931 role: admin status: deactive

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Firestore is NoSQL users/ user_1/ user_2/ user_3/ role: admin status: active role: admin status: active role: admin status: deactive follows: [2,3] follows: [4,10] follows: [42,3] docData .put(“follows”, Arrays.asList(2,3)); created: 1555302970 created: 1555302960 created: 1555302931 Insert into data

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Firestore is NoSQL users/ user_1/ role: admin status: active follows: [2,3] Message.put(“from”, “Jobana”); Messages created: 1555302970 messages/ message_1: from: Giorno msg: Golden Message.put(“msg”, “Experience”); .put(“message_2”, Message); message_2: from: Jobana msg: Experience Insert into subcol

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Firestore is NoSQL users/ user_1/ user_2/ role: admin status: active role: admin status: active follows: [2,3] follows: [4,10] docDataRef .where(“status”, “==”, “active”); created: 1555302970 created: 1555302960 Get match data

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Firestore is NoSQL users/ user_1/ role: admin status: active follows: [2,3] docDataRef .where(“crated”, “>”, “1555302965”); created: 1555302970 Get match data

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Firestore is NoSQL users/ user_1/ user_2/ user_3/ role: admin status: active role: admin status: active role: admin status: deactive follows: [2,3] follows: [4,10] follows: [42,3] docDataRef .where(“role”, “==”, “admin”) created: 1555302970 created: 1555302960 created: 1555302931 .orderBy(“created”, “asc”); Get match sort data

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Firestore is NoSQL users/ user_1/ user_2/ role: admin status: active role: admin status: active follows: [2,3] follows: [4,10] docDataRef .where(“role”, “==”, “admin”) created: 1555302970 created: 1555302960 .orderBy(“created”, “asc”) .startAt(user_2); Get match sort snap

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Caution of Firestore

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Caution of Firestore 1 WRITE IN 1 DOCMENT PER 1 second https://firebase.google.com/docs/firestore/quotas?hl=ja 500 WRITE IN 1 COLLECTION PER 1 second 1 DOCUMENT MAX SIZE IS 1 MiB

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1 DATA UPDATE IN 1 DOCMENT PER 1 second like_counter/ counter: 222 CANNOT USING“COUNT” STATEMENT https://firebase.google.com/docs/firestore/solutions/counters?hl=ja Caution of Firestore

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1 DATA UPDATE IN 1 DOCMENT PER 1 second like_counter_1/ counter: 22 → SOLVE: Distributed Sharding like_counter_2/ counter: 34 like_counter_3/ counter: 22 like_counter_4/ counter: 19 97 like_counter: https://firebase.google.com/docs/firestore/solutions/counters?hl=ja Caution of Firestore

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Imple Realtime Update SDK for Go? https://firebase.google.com/docs/firestore/query-data/listen?hl=ja https://firebase.google.com/docs/firestore/query-data/listen?hl=ja Caution of Firestore

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https://firebase.google.com/docs/firestore/query-data/listen?hl=ja https://github.com/googleapis/google-cloud-go/releases/tag/v0.21.0 Caution of Firestore Imple Realtime Update SDK for Go?

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https://firebase.google.com/docs/firestore/query-data/listen?hl=ja https://soichisumi.net/2018/12/firestore-realtime-update-go-sdk/ snapIter := client.Collection("users") .Doc("docID") .Snapshots(ctx) defer snapIter.Stop() for{ data, err := snapIter.Next() if err != nil { log.Fatalln(err) } fmt.Println(data) } Caution of Firestore Imple Realtime Update SDK for Go?

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BILLING PER Document Bill Read 0.1 Million Doc Write 0.1 Million Doc Delete 0.1 Million Doc $0.06 $0.18 $0.02 https://firebase.google.com/docs/firestore/pricing?hl=ja Caution of Firestore

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Collection BILLING PER 1 Document Document Document Document READ 100 documents Caution of Firestore

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Collection BILLING PER 1 Document Document Document Document READ 100 documents READ 100 documents Your Bill is Caution of Firestore

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Collection BILLING PER 1 Document Document Document Document READ 100 documents SubCollection Document Document Document AND 55 subdocuments Caution of Firestore

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Collection BILLING PER 1 Document Document Document Document READ 100 documents SubCollection Document Document Document AND 55 subdocuments READ 155 documents Your Bill is Caution of Firestore

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And More... See Offical Document https://firebase.google.com/docs/ firestore/solutions/?hl=ja Google Cloud Next’19 Firestore Session https://youtu.be/ah5tQ7yOh2s Caution of Firestore

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mBaaS with CloudNative

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PUSH NORTIFICATION IS HARD WAY API Firebase Push Message Cloud Messaging REQUEST REQUEST REQUEST

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PUSH NORTIFICATION IS HARD WAY API Firebase Push Message Cloud Messaging REQUEST REQUEST HTTP REQUEST IS SLOW RESPOMSE IS SLOW

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PUSH NORTIFICATION IS HARD WAY API Firebase Push Message Cloud Messaging REQUEST REQUEST I'am New User

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PUSH NORTIFICATION IS HARD WAY API Firebase Push Message Cloud Messaging REQUEST REQUEST I'am Influencer

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API Firebase Cloud Messaging REQUEST REQUEST PUSH NORTIFICATION IS HARD WAY ...PREDICTION IS HARD REQUEST Apple Push Notification Service

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PUSH NORTIFICATION IS HARD WAY https://tech.mercari.com/entry/2016/11/08/170343

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PUSH NORTIFICATION IS HARD WAY https://tech.mercari.com/entry/2016/11/08/170343

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PUSH NORTIFICATION IS HARD WAY https://github.com/appleboy/gorush#run-gorush-in-kubernetes

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PUSH NORTIFICATION IS HARD WAY https://github.com/appleboy/gorush#run-gorush-in-kubernetes

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PUSH NORTIFICATION IS HARD WAY https://github.com/appleboy/gorush#run-gorush-in-kubernetes Pod Pod Pod

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PUSH NORTIFICATION IS HARD WAY And My Use Case...

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PUSH NORTIFICATION IS HARD WAY Database /a-service /b-service API a-queue-0/ Format Data b-queue-0/ Format Data a-queue-1/ Format Data

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PUSH NORTIFICATION IS HARD WAY BATCH BATCH BATCH BATCH Push Server x-queue-n: datas/ a-queue-0 a-queue-1 b-queue-0 b-queue-1 statefulset statefulset statefulset statefulset Database

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PUSH NORTIFICATION IS HARD WAY IF ALL QUEUE TOO BUSY... a-queue-0 a-queue-1 a-queue-2 a-queue-3 a-queue-4 DEPLOY DEPLOY DEPLOY statefulset statefulset statefulset statefulset statefulset API KICK JOB REQUEST Database

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FIN. PixelMplus（ピクセル・エムプラス） ‥ 8bitビットマップふうフリーフォント http://itouhiro.hatenablog.com/entry/20130602/font 這いよれ！ニャル子さん AAセット１ | AsciiArt*AsciiArt http://aa.en.utf8art.com/node/4146