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H31$ͱ1SPUPDPM#V⒎FSTͰ
Ұຯҧ͏"OESPJE௨৴
Kohei Matsumoto
@ DroidKaigi 2018
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Kohei Matsumoto
Android/iOS Developer
Twitter: kmats_
Github: k-mats
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Outline
• RPC ͱ
• gRPC ͱ
• Protocol Buffers ͱ
• gRPC + Protocol Buffers ͷಋೖ
• ։ൃ্ͷ
• protoϑΝΠϧͷڞ༗ํ๏ͷྫ
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RPC?
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RPC?
REST -> JSON?
RPC -> XML?
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RPC?
REST -> JSON?
RPC -> XML?
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RPC
> Remote procedure call is the synchronous
language-level transfer of control between
programs in disjoint address spaces whose
primary communication medium is a narrow
channel.
ଞͷΞυϨεۭؒʢe.g. ωοτϫʔΫ্ͷαʔόʣʹ͋ΔॲཧΛ
࣮ߦ͢Δ͜ͱɻ
Bruce Jay Nelson. 1981. Remote Procedure Call. Ph.D. Dissertation.
Carnegie Mellon Univ., Pittsburgh, PA, USA. AAI8204168.
https://dl.acm.org/citation.cfm?id=910306
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RPC as HTTP API
APIͷઃܭํ σʔλͷදݱܗࣜ
JSON, XML,
Protocol Buffers, …
REST, RPC, …
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RPC as HTTP API
σʔλͷදݱܗࣜ
JSON, XML,
Protocol Buffers, …
REST, RPC, …
APIͷઃܭํ
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REST vs RPC as HTTP API
• ҧ͍ͷ1ͭ:ʮAPIઃܭ࣌ʹͲ͜ʹண͢Δ͔ʯ
• Ϧιʔεʢૢ࡞ରʣͱΞΫγϣϯʢૢ࡞ํ
๏ʣΛͲ͏ͬͯදݱ͢Δ͔
• REST: ϦιʔεΛத৺ʹߟ͑Δ
• RPC: ΞΫγϣϯΛத৺ʹߟ͑Δ
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RESTͷํ͕͍͍ͯΔέʔε
• e.g. ϒϩάαʔϏεͷAPI
• APIͷओͳׂϒϩάهࣄʹରͯ͠CRUD
ૢ࡞Λ͢Δ͜ͱ
• هࣄͱ͍͏ϦιʔεΛத৺ʹߟ͑ͨํ͕ྑ͍
• ΞΫγϣϯHTTPϝιουͰදݱ
https://www.smashingmagazine.com/2016/09/understanding-rest-and-rpc-for-http-apis/
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ϒϩάAPI: RESTͷ߹
• Create:
• POST https://example.com/api/articles
• body: {“title”: “New post”, “author”: “John”, “description”: “…”}
• Read:
• GET https://example.com/api/articles/123
• Update:
• PATCH https://example.com/api/articles/123
• body: {“title”: “Revised”}
• Delete:
• DELETE https://example.com/api/articles/123
https://www.smashingmagazine.com/2016/09/understanding-rest-and-rpc-for-http-apis/
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ϒϩάAPI: RPCͷ߹
• Create:
• https://example.com/api/createArticle
• body: {“title”: “New post”, “author”: “John”, “description”: “…”}
• Read:
• https://example.com/api/getArticle
• Update:
• https://example.com/api/updateArticle
• body: {“article_id”: 123, “title”: “Revised”}
• Delete:
• https://example.com/api/deleteArticle
https://www.smashingmagazine.com/2016/09/understanding-rest-and-rpc-for-http-apis/
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RPCͷํ͕͍͍ͯΔέʔε
• e.g. SlackͷΑ͏ͳνϟοταʔϏεͷAPI
• APIΛ௨ͯ͡ҎԼͷػೳΛఏڙ͍ͨ͠ͱ͢Δ
• ͋Δνϟϯωϧʹ͍ΔϢʔβ͕νϟϯωϧ͔Βୀग़
͢Δ (leave)
• ͋Δνϟϯωϧʹ͍ΔϢʔβΛνϟϯωϧ͔Β͍
ग़͠ɺ࠶ࢀՃΛې͡Δʢkickʣ
https://www.smashingmagazine.com/2016/09/understanding-rest-and-rpc-for-http-apis/
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νϟοτAPI: RESTͷ߹
• leaveͱkickͷҧ͍Λ៉ྷͳRESTͰදݱ͢Δͷ͕͍͠
• e.g. bodyʹԿ͔͠ΒͷใΛՃ͢Δͷ͕ඞཁ
• leave:
• PATCH https://example.com/api/channels/123/users/456
• body: {“status”: “left”}
• kick:
• PATCH https://example.com/api/channels/123/users/456
• body: {“status”: “kicked”}
https://www.smashingmagazine.com/2016/09/understanding-rest-and-rpc-for-http-apis/
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νϟοτAPI: RESTͷ߹
• ҎԼͷΑ͏ʹ͢ΔͱRESTͱRPCͷதؒͷΑ͏ͳͷʹͳͬͯ͠·͏
• leave:
• POST https://example.com/api/channels/123/users/456/leave
• kick:
• POST https://example.com/api/channels/123/users/456/kick
https://www.smashingmagazine.com/2016/09/understanding-rest-and-rpc-for-http-apis/
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νϟοτAPI: RPCͷ߹
• leave:
• https://example.com/api/leaveFromChannel
• body: {“channel_id”: 123, “user_id”: 456}
• kick:
• https://example.com/api/kickFromChannel
• body: {“channel_id”: 123, “user_id”: 456}
https://www.smashingmagazine.com/2016/09/understanding-rest-and-rpc-for-http-apis/
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Slackͷweb APIRPC
> The Web API is a collection of HTTP RPC-style
methods, all with URLs in the form
`https://slack.com/api/METHOD_FAMILY.method`.
https://api.slack.com/web
Web APIHTTP RPCελΠϧͷϝιουͷू·ΓͰ͋ΓɺશͯҎ
ԼͷϑΥʔϜͰද͞Ε·͢ɻ
`https://slack.com/api/METHOD_FAMILY.method`.
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ͦͷଞͷAPI
• Dropbox API v2ͷେRPC
• AWS APIͷҰ෦RPC
• Discord APIREST
https://www.dropbox.com/developers/documentation/http/documentation
https://docs.aws.amazon.com/Route53/latest/APIReference/requests-rpc.html
https://github.com/discordapp/discord-api-docs/blob/master/docs/Reference.md
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͜ͷ߲ͷ·ͱΊ
• RESTͱRPCదࡐదॴ
• ϦιʔεΛத৺ʹߟ͑Δͱྑ͍ͳΒREST
• ΞΫγϣϯΛத৺ʹߟ͑Δͱྑ͍ͳΒRPC
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ͦͷଞͷREST, RPCͷൺֱݕ౼ʹ
ؔ͢Δࢀߟ
• https://speakerdeck.com/petitviolet/web-api-
design
• https://www.slideshare.net/disc99_/apirestgrpc
• https://apihandyman.io/do-you-really-know-why-
you-prefer-rest-over-rpc/
• https://philsturgeon.uk/api/2017/12/18/rest-
confusion-explained/
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gRPC?
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gRPC
• Google͕։ൃΛ࢝ΊͨΦʔϓϯιʔεͷRPCϑϨʔϜϫʔΫ
• ݩGoogleࣾͷϚΠΫϩαʔϏεΛͭͳ͛ΔͨΊʹ10
Ҏ্ΘΕ͍ͯͨRPCϑϨʔϜϫʔΫ”Stubby”
• HTTP/2
• ํετϦʔϛϯά
• ެࣜʹAndroid JavaؚΊ10ݴޠʹରԠ
https://grpc.io/blog/principles
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gRPCͷσʔλදݱܗࣜ
• σϑΥϧτͰProtocol Buffers (Protobuf)
• C++ͱGoͰFlatBuffersαϙʔτ͞Εͯ
͍Δͱͷ͜ͱ
• ଞͷϑΥʔϚοτٕज़తʹରԠՄೳͱ
ॻ͍ͯ͋Δ͕ɺݱ࣌ͰରԠࡁΈ͔ผ
https://grpc.io/blog/flatbuffers
https://grpc.io/faq/
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grpc-gateway:
gRPC/ProtobufͱREST/JSONΛม
https://github.com/grpc-ecosystem/grpc-gateway
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͍ͪAndroid։ൃऀ͔Βݟͨ
gRPCͷϝϦοτ
• ௨৴ʹඞཁͳίʔυ͕ࣗಈੜ͞ΕΔ
• RPCϑϨʔϜϫʔΫͱͯ͠ແͳબ
• Google͕࣮ࡍʹ͍ͬͯΔͱ͍͏҆৺ײ
• ํετϦʔϛϯά͕ඞཁͳαʔϏεͰಛ
ʹཱͭͣ
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͍ͪAndroid։ൃऀ͔Βݟͨ
gRPCͷσϝϦοτ
• ੈͷதͷใ͕·ͩेͰͳ͍
• e.g. TLS 1.2͕ຊʹͪΌΜͱΘΕ͍ͯΔͷ͔ΛௐΔͨΊʹ
grpc-javaͷιʔείʔυΛಡΜͩΓ
• https://github.com/grpc/grpc-java/blob/master/
SECURITY.md ͳͲެࣜͷࢿྉ͋Γ·͢
• e.g. AndroidΫϥΠΞϯτJava, GoͰॻ͔Εͨαʔόͱ௨৴Ͱ
͖ΔͷʹNode.js, RubyͰॻ͔Εͨαʔόͱ௨৴Ͱ͖ͳ͍ࣄʹ
ૺ۰ͨ͠Γʢ2017ͷʣ
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Twitchͷݴ͏gRPCͷσϝϦοτ
• ෦࣮ͷෳࡶ͞ʹىҼ͢Δ
• HTTP/1.1Λ͑ͳ͍͜ͱʹΑΔޓੑͷ
• ProtobufͷΤϯίʔυܗ͕ࣜόΠφϦͰѻ͍
ͮΒ͍
• etc
https://blog.twitch.tv/twirp-a-sweet-new-rpc-framework-for-go-5f2febbf35f
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gRPCͷର߅അ”Twirp”
• 20181݄ެ։ͷTwitchRPCϑϨʔϜϫʔΫ
• γϯϓϧ͔ͭHTTP/1.1Λ͑ΔʢHTTP/2Մʣ
• ࣮ʹProtobufΛ͏͕ɺbodyͷΤϯίʔυܗࣜProtobufʢόΠφϦʣ͚ͩͰͳ͘
JSONՄ
• ࣮Protobufࣗମ͕JSONΤϯίʔσΟϯάͰ͖ΔʢJSON Mappingʣ
• gRPCͰඇαϙʔτͷ༷
• ํετϦʔϛϯάඇαϙʔτ
• TwitchGoɺαʔυύʔςΟJava, Lua, JS, RubyͳͲ
https://blog.twitch.tv/twirp-a-sweet-new-rpc-framework-for-go-5f2febbf35f
https://groups.google.com/forum/#!topic/grpc-io/ncVgOlp16F8
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Android JavaͰͷgRPCͷ͍ํ
• ProtobufͱҰॹʹ͏ͨΊɺઌʹProtobufʹ
͍ͭͯઆ໌͠·͢
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͜ͷ߲ͷ·ͱΊ
• gRPCGoogleൃͷRPCϑϨʔϜϫʔΫ
• HTTP/2, ํετϦʔϛϯάͳͲ
• σϑΥϧτͰProtobufͱҰॹʹ͏
• ௨৴ʹඞཁͳίʔυΛࣗಈੜ
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Protocol Buffers?
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Protocol Buffers (Protobuf)
• XMLͷΑ͏ʹߏԽ͞Εͨσʔλදݱܗࣜɺ
ͳ͍͠IDL (Interface Description Language)
• ݱࡏͷ࠷৽ver.3 (proto3)
> think XML, but smaller, faster, and simpler.
https://developers.google.com/protocol-buffers/docs/overview
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.protoϑΝΠϧ
syntax = "proto3";
message Bank {
int32 code = 1;
string name = 2;
string name_kana = 3;
}
https://developers.google.com/protocol-buffers/docs/overview
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Protobufͱ
• .protoϑΝΠϧΛαʔόɾΫϥΠΞϯτؒͰڞ༗
• Protobuf compilerʹΑͬͯ.protoϑΝΠϧ͔ΒγϦΞϥΠζɾσγϦΞϥΠ
ζ༻ͷΫϥε͕ੜ͞ΕΔ
• όΠφϦʹΤϯίʔυͯ͠ૹ৴
• JSONΤϯίʔυ͢Δ͜ͱՄ
• ͨͩ͠ઌड़ͷ௨ΓgRPCͰະαϙʔτɺTwirpͰαϙʔτ͍ͯ͠Δ༷
• ެࣜɾαʔυύʔςΟ߹Θͤͯ10छྨҎ্ͷݴޠʹରԠ
https://developers.google.com/protocol-buffers/docs/overview
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γϦΞϥΠζ (Java)
Bank bank = Bank.newBuilder()
.setCode(123)
.setName("υϩΠυۜߦ")
.setNameKana("υϩΠυΪϯί")
.build();
output = new FileOutputStream(path);
bank.writeTo(output);
https://developers.google.com/protocol-buffers/docs/overview
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σγϦΞϥΠζ (C++)
Bank bank;
fstream input(path, ios::in | ios::binary);
bank.ParseFromIstream(&input);
int code = bank.code();
string name = bank.name();
string nameKana = bank.nameKana();
https://developers.google.com/protocol-buffers/docs/overview
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େ·͔ͳ։ൃͷྲྀΕ
1.protoϑΝΠϧΛॻ͘
2.αʔόɾΫϥΠΞϯτؒͰ.protoϑΝΠϧΛڞ༗͢Δ
3.֤ݴޠ༻ͷίϯύΠϥͰ.protoΛίϯύΠϧ͢Δ
• Androidͷ߹ɺbuild࣌ʹࣗಈతʹίϯύΠϧ͕
࣮ߦ͞ΕΔΑ͏.gradleΛॻ͍͓ͯ͘
4.ੜ͞ΕͨΫϥεΛ֤ίʔυͰ͏
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ྻͱmessageͷೖΕࢠ
message GetBanksResponse {
repeated Bank bank = 1;
}
message Bank {
int32 code = 1;
string name = 2;
string name_kana = 3;
}
https://developers.google.com/protocol-buffers/docs/overview
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Enum
enum BankAccountType {
SAVING = 0; // ී௨
CHECKING = 1; // ࠲
}
https://developers.google.com/protocol-buffers/docs/overview
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Enum
enum BankAccountType {
option allow_alias = true;
SAVING = 0; // ී௨
CHECKING = 1; // ࠲
CURRENT = 1; // ࠲ʢผ໊ʣ
}
https://developers.google.com/protocol-buffers/docs/overview
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@Deprecated
message Bank {
int32 code = 1;
string name = 2;
string name_kana = 3 [deprecated=true];
string name_katakana = 4;
}
https://developers.google.com/protocol-buffers/docs/overview
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RPC
service BankListService {
rpc GetBanks (GetBanksRequest) returns (GetBanksResponse);
}
message GetBanksRequest {}
message GetBanksResponse {
repeated Bank bank = 1;
}
https://developers.google.com/protocol-buffers/docs/overview
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͍ͪAndroid։ൃऀ͔Βݟͨ
ProtobufͷϝϦοτ
• ܕ͕͋Δɹ
• messageʹ૬͢ΔΫϥε͕ࣗಈੜ͞ΕΔͷͰࣗͰॻ͘ඞཁ͕ͳ͍
• αʔόαΠυͷ։ൃऀͱίϛϡχέʔγϣϯ͍͢͠
• protoϑΝΠϧ͕ͦͷ··༷ʹͳΔ
• protoϑΝΠϧ͕؆қͳͷͰཉ͍͠ΫϥεAPI͕͋ͬͨΒprotoϑΝ
ΠϧΛॻ͍ͯPRΛૹΕྑ͍
• ͪΖΜαʔόαΠυͷ࣮͕ඞཁʹͳΔ
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͍ͪAndroid։ൃऀ͔Βݟͨ
ProtobufͷσϝϦοτ
• όΠφϦͰ௨৴͞ΕΔͷͰhuman readableͰͳ͍
• ※ JSON Mappingػೳ͋Δ͕ɺgRPCͰඇαϙʔτͷ༷
• curlcharlesͳͲͰσόοάͰ͖ͳ͍ɺϒϥβͰΞΫηεͯ͠Ϩεϙϯ
εΛݟΔ͜ͱ͕Ͱ͖ͳ͍
• ͪΌΜͱ௨৴Ͱ͖͍ͯΔ͔Ͳ͏͔Λ֬ೝ͢ΔͨΊʹ؆୯ͳΫϥΠΞϯτΛ
ॻ͍͓ͯ͘ඞཁ͕͋Δ
• αʔόɾΫϥΠΞϯτؒͷprotoϑΝΠϧΛྑ͍ײ͡ʹಉظ͢ΔΈ͕ඞཁ
• ҰྫΛޙड़͠·͢
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͜ͷ߲ͷ·ͱΊ
• Protocol BuffersߏԽ͞Εͨσʔλදݱܗࣜͳ͍͠
IDL (Interface Description Language)
• protoϑΝΠϧΛॻ͍ͯαʔόɾΫϥΠΞϯτؒͰڞ༗
• Ϧονͳදݱྗ
• ProtobufίϯύΠϥͰmessageʹ૬͢ΔΫϥεͷࣗ
ಈੜ
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gRPC + Protocol BuffersΛ
AndroidΞϓϦʹಋೖ͢Δ
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खॱ
1.gRPCͱProtobufΛΠϯετʔϧ͢Δ
2.Ϗϧυ࣌ʹProtobuf͔ΒίʔυΛࣗಈੜ͢ΔλεΫΛ
ॻ͘
3.protoϑΝΠϧΛॻ͘
4.Ϗϧυͯ͠ίʔυੜ
5.ΞϓϦͰੜ͞ΕͨίʔυΛॻ͘
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: ඞͣެࣜͷREADMEΛ֬ೝ
• gRPC-Java:
• https://github.com/grpc/grpc-java
• Android͚ͱͦͷଞͷJavaڥ͚Ͱ༰͕ҟͳΔͷͰࠞಉ͠ͳ͍ཁ
ҙ
• Protobuf:
• https://github.com/google/protobuf-gradle-plugin
• αϯϓϧ:
• https://github.com/grpc/grpc-java/tree/master/examples/android
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// build.gradle
buildscript {
...
dependencies {
...
classpath 'com.google.protobuf:protobuf-gradle-plugin:0.8.3'
}
}
// app/build.gradle
apply plugin: ‘com.android.application’
apply plugin: 'com.google.protobuf'
dependencies {
...
compile 'io.grpc:grpc-okhttp:1.9.0'
compile 'io.grpc:grpc-protobuf-lite:1.9.0'
compile 'io.grpc:grpc-stub:1.9.0'
}
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// app/build.gradle
protobuf {
protoc {
artifact = ‘com.google.protobuf:protoc:3.5.1-1’
}
plugins {
javalite {
artifact = "com.google.protobuf:protoc-gen-javalite:3.0.0"
}
grpc {
artifact = “io.grpc:protoc-gen-grpc-java:1.9.0”
}
}
generateProtoTasks {
all().each { task ->
task.plugins {
javalite {}
grpc {
option 'lite'
}
}
}
}
}
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3. protoϑΝΠϧΛॻ͘
• src/main/proto src/test/proto ҎԼʹproto
ϑΝΠϧΛஔ͘
• ҎԼͷίϚϯυͰprotoϑΝΠϧ͕ίϯύΠ
ϧՄೳ͔֬ೝͰ͖Δ
• $ protoc —java_out= foo.proto
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4. Ϗϧυͯ͠ίʔυੜ
• ASͰϏϧυΛ࣮ߦ͢ΔͱҎԼʹprotoϑΝΠϧ
͔Βੜ͞ΕͨJavaίʔυ͕ஔ͔ΕΔ
• app/build/generated/source/proto/
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service BankListService {
rpc GetBanks (GetBanksRequest) returns (GetBanksResponse);
}
message GetBanksRequest {}
message GetBanksResponse {
repeated Bank bank = 1;
}
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ManagedChannel channel = OkHttpChannelBuilder
.forAddress("example.com", "443")
.build();
BankListServiceStub stub = BankListServiceGrpc.newStub(channel);
GetBanksRquest request = GetBanksRequest
.newBuilder()
.build();
stub.getBanks(request, new StreamObserver() {
@Override
public void onNext(GetBanksResponse response) {
List banks = response.getBankList()
...
}
@Override
public void onError(Throwable throwable) {
...
}
@Override
public void onCompleted() {
...
}
);
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͜ͷ߲ͷ·ͱΊ
• AndroidͰgRPC-JavaͱProtocol Buffers
Gradle Plugin͕ඞཁ
• gRPC + Protocol Buffersͷಋೖ࣌ඞͣެࣜ
ϦϙδτϦͷREADMEΛ֬ೝʂʂ
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։ൃ্ͷ
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֤repoͷprotoϑΝΠϧͷಉظ
proto files repo
iOS app repo Android app repo API server repo
proto files proto files proto files
ྑ͍ײ͡ʹprofo files repoΛίϐʔ or ࢀর͍ͨ͠
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proto files repo
Digdag
GCP Cloud Functions
iOS app repo
Android app repo
API server repo
1. PRϚʔδͰwebhookૹ৴
2. DigdagϫʔΫϑϩʔIDΛ
ɹࢦఆͯ͠ϫʔΫϑϩʔىಈ
3. ֤repoͷprofo filesΛ
ɹߋ৽͢ΔPRΛ࡞
4. PRͷࠩΛݟͯϚʔδʢखಈʣ
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proto files repo
Digdag
GCP Cloud Functions
iOS app repo
Android app repo
API server repo
1. PRϚʔδͰwebhookૹ৴
2. DigdagϫʔΫϑϩʔIDΛ
ɹࢦఆͯ͠ϫʔΫϑϩʔىಈ
3. ֤repoͷprofo filesΛ
ɹߋ৽͢ΔPRΛ࡞
4. PRͷࠩΛݟͯϚʔδʢखಈʣ
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GitHubͷwebhookઃఆը໘
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proto files repo
Digdag
GCP Cloud Functions
iOS app repo
Android app repo
API server repo
1. PRϚʔδͰwebhookૹ৴
2. DigdagϫʔΫϑϩʔIDΛ
ɹࢦఆͯ͠ϫʔΫϑϩʔىಈ
3. ֤repoͷprofo filesΛ
ɹߋ৽͢ΔPRΛ࡞
4. PRͷࠩΛݟͯϚʔδʢखಈʣ
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exports.syncTheoProto = function syncTheoProto (req, res) {
...
postData = {
"workflowId": settings.workflowId,
...
}
req.write(JSON.stringify(postData));
req.end();
...
};
POSTϦΫΤετʹ༧Ί࡞͓͍ͬͯͨ
DigdagϫʔΫϑϩʔͷIDΛՃ͢Δ
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proto files repo
Digdag
GCP Cloud Functions
iOS app repo
Android app repo
API server repo
1. PRϚʔδͰwebhookૹ৴
2. DigdagϫʔΫϑϩʔIDΛ
ɹࢦఆͯ͠ϫʔΫϑϩʔىಈ
3. ֤repoͷprofo filesΛ
ɹߋ৽͢ΔPRΛ࡞
4. PRͷࠩΛݟͯϚʔδʢखಈʣ
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proto files repo
Digdag
GCP Cloud Functions
iOS app repo
Android app repo
API server repo
1. PRϚʔδͰwebhookૹ৴
2. DigdagϫʔΫϑϩʔIDΛ
ɹࢦఆͯ͠ϫʔΫϑϩʔىಈ
3. ֤repoͷprofo filesΛ
ɹߋ৽͢ΔPRΛ࡞
4. PRͷࠩΛݟͯϚʔδʢखಈʣ
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No content
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͜ͷ߲ͷ·ͱΊ
• protoϑΝΠϧΛαʔόɾΫϥΠΞϯτؒͰಉ
ظ͢ΔΈ͕͋Δͱศར
• ࠓͷͱ͜Ζwebhook, αʔόʔϨεΞϓϦ
έʔγϣϯ, ϫʔΫϑϩʔΤϯδϯΛΈ߹
Θͤͯӡ༻͍ͯ͠·͢
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࠷ޙʹ…
Swagger or GraphQL or gRPC???
• গͳ͘ͱݱ࣌ͰͲΕ͔͕ઈରతʹྑ͍ͱ͍͏͜ͱແͦ͞͏
• ൺֱهࣄ͕ࢁ͋Δ
• e.g. https://brandur.org/api-paradigms
• ͜ͷهࣄʹର͢Δٞ: https://news.ycombinator.com/item?id=14003134
• DroidKaigi 2018Ͱൃද͞Εͨʂ
• Swagger: https://speakerdeck.com/magiepooh/madaapiding-yi-guan-li-
dexiao-hao-siterufalse-swaggerwoyong-itada-gui-mo-apurishi-dai-falseapiding-
yi-guan-li-tokodozienereto
• GraphQL: https://speakerdeck.com/gfx/subarasikigraphqlfalsesekaiheyoukoso
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ൃදͷ·ͱΊ
• RESTͱRPCదࡐదॴ
• gRPCGoogleൃͷRPCϑϨʔϜϫʔΫ
• ProtobufߏԽ͞Εͨσʔλදݱܗࣜͳ͍͠IDL
• gRPC + ProtobufͰίʔυΛࣗಈੜ
• ಋೖ࣌ඞͣ࠷৽ͷެࣜREADMEΛ֬ೝ
• ProtobufΛαʔόɾΫϥΠΞϯτؒͰಉظ͢ΔΈΛ࡞Ζ͏
• SwaggerGraphQLʹ͍ͭͯௐͯΈΑ͏
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THANK YOU!