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rails new --api してからやったこと 〜2017年・夏〜 / EC Tech MTG 3
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Kōhei Yamamoto
August 02, 2017
Technology
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620
rails new --api してからやったこと 〜2017年・夏〜 / EC Tech MTG 3
EC Tech MTG #3(GMOペパボEC事業部の社内勉強会)のための資料です
Kōhei Yamamoto
August 02, 2017
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Transcript
ʙɾՆʙ !LZNNU(.01FQBCP *OD &$5FDI.5( rails new --api͔ͯ͠Β ͬͨ͜ͱ
͢͜ͱ w3BJMTͰ"1*αʔόΛ࡞Δʹ͋ͨͬͯɺ։ൃੜ࢈ੑΛ্͛ΔͨΊʹ ͬͨ͜ͱΛհ͠·͢ wΰʔϧ w"1*ͳͲ։ൃ࣌ʹҰൠʹߟ͑ΔͱΑͦ͞͏ͳ͜ͱ͕ΒΛͬͯΒ͏ wຊࢿྉ3BJMTΛྫʹ͋͛ͯઆ໌͠·͕͢ߟ͔͑ͨԠ༻Ͱ͖ͦ͏
എܠ w+40/Λฦ͢8FC"1*αʔό Λ৽نʹॻ͘͜ͱʹͳͬͨ wϑϩϯτΤϯυͷ4JOHMF1BHF"QQMJDBUJPO 41" ͕͏ wΏ͘Ώ͘ެ։"1*ͱ͍ͨ͠ w3BJMTͰ։ൃͯ͠)FSPLVͷ্Ͱಈ͔͢ •$ rails
new <app_name> --api -d postgresql ͍͍ػձͳͷͰ։ൃָ͕ʹͳΔڥΛ࡞Γ͍ͨ ࠓޙ"1*ͱݺͼ·͢
ͬͨ͜ͱҰཡ w%PDLFSͰ։ൃڥ࡞ wελϒαʔόͷੜ wίʔσΟϯάنͷࣗಈνΣοΫ
%PDLFSͰ։ൃڥ࡞
%PDLFSͰ։ൃڥ࡞ʛ8IZ wݸਓ1$ͷڥʹΑͬͯɺ։ൃڥͷηοτΞοϓ͕ͳ͔ͳ͔͏·͘ ͍͔ͳ͍͜ͱ͕͋ͬͨ wྫɿOBUJWFFYUFOTJPOΛ͏HFNΛσβΠφ͞Μͷ1$ Πϯετʔϧ͠Α͏ͱࣦͯ͠ഊ͠ଓ͚Δ wϓϩμΫτ։ൃͰσβΠφͱΤϯδχΞͷ྆ํ͕։ൃڥΛ͏ w͔ΜͨΜʹηοτΞοϓͰ͖ɺ͏·͘ಈ͔ͳ͍ͱ͖ͷݪҼΓ͚͕ ָͳ։ൃڥʹ͔ͨͬͨ͠
Dockerfile FROM ruby:2.4.1 ENV APP_HOME /usr/src/app RUN mkdir -p $APP_HOME
WORKDIR $APP_HOME COPY Gemfile \ Gemfile.lock \ $APP_HOME/ ENV BUNDLE_GEMFILE=$APP_HOME/Gemfile \ BUNDLE_JOBS=4 "1*Λ্ཱͪ͛ΔͨΊͷڥΛ%PDLFS Πϝʔδͱͯ͠࡞͢Δ %PDLFS)VC͔Βऔಘͨ͠3VCZͷެࣜ ΠϝʔδΛͱʹɺΠϝʔδʹ3BJMTͷ ΞϓϦΛઃஔ͢ΔσΟϨΫτϦΛ४උ
docker-compose.yml version: '3' services: db: image: postgres:9.6.3 app: &app_base build:
. # build a container from Dockerfile command: bin/rails s -b '0.0.0.0' depends_on: - db spring: <<: *app_base command: bin/spring server %# 3BJMT 4QSJOHͦΕͧΕͷ ίϯςφΛ্ཱͪ͛ΔͨΊͷઃ ఆϑΝΠϧʢࠨਤൈਮʣ app͖͞΄Ͳͷ DockerfileΛͱʹͨ͠3BJMT Λಈ͔͢ίϯςφ db্ཱ͕͕ͪͬͨ͋ͱʹapp Λ্ཱͪ͛Δ db1PTUHSF42-ͷެࣜ ΠϝʔδΛͦͷ··ར༻ͨ͠ ίϯςφ
"1*ͷηοτΞοϓ $ git clone
[email protected]
:foo/bar.git && cd ./bar $ docker-compose
run --rm app bundle install $ docker-compose run --rm app bin/rake db:setup $ docker-compose up # start db, app, spring εςοϓͰηοτΞοϓͰ͖Δ
bin/setup chdir APP_ROOT do puts '== Installing dependencies ==' system!
'docker-compose run --rm app bundle install' puts "\n== Preparing database ==" system! 'docker-compose run --rm app bin/rake db:setup' puts "\n== Removing old logs and tempfiles ==" system! 'docker-compose run --rm app \ bin/rails log:clear tmp:clear' puts "\n== Restarting application server ==" system! 'docker-compose up' end 3BJMTͰೖͬͨΞϓϦͷॳظઃఆ ΛࣗಈԽ͢ΔͨΊͷεΫϦϓτ !LFODIBO͘Μ͞Μ͔Βbin/setup Ͱઌड़ͨ͠ηοτΞοϓΛ࣮ͯ͢ߦ ͢Δ ͨΊͷQVMMSFRVFTU͕ʂʂ ʢࠨਤൈਮʣ !POL͞ΜͷࢿྉͰհ͞Ε͍ͯͨํ๏ IUUQTXXXTMJEFTIBSFOFUUBLBGVNJPOBLB SBJMT
"1*ͷηοτΞοϓɾվ $ git clone
[email protected]
:foo/bar.git && cd ./bar $ bin/setup
εςοϓʹͳͬͨ
ελϒαʔόͷੜ
ελϒαʔόΛੜ͢Δʛ8IZ wόοΫΤϯυ൝ "1* ͱϑϩϯτΤϯυ൝ 41" Ͱ͔Εͯ։ൃ ͍ͯ͠Δ w"1*͕͠ͳ͍ͱ41"࡞Γʹ͍͘ w͔͠͠ฒߦͯ͠։ൃ͍ͨ͠ wαϯϓϧͷϨεϙϯεΛฦ͢ελϒαʔό͕΄͍͠
0QFO"1* paths: /products/{productId}: get: operationId: getProduct parameters: - in: path
name: id type: integer responses: '200': schema: type: object properties: product: type: object properties: name: type: string example: ͓ࡼ Χϥʔϛʔγϣοϓ"1*Ͱ෦తʹಋೖࡁΈ ͷ0QFO"1*Ͱ"1*༷Λઌʹॻ͘ ʢࠨਤൈਮʣ :".-Ͱॻ͍ͨ0QFO"1*ͰͷఆٛΛZBNM@SFG@SFTPMWFS Λ ͬͯ0QFO"1*ͱͯ͠WBMJEͳswagger.jsonʹม͠ɺ Ͳ͔͜ʹग़ྗ͓ͯ͘͠ IUUQTHJUIVCDPN+PFOPIZBNM@SFG@SFTPMWFS
4XBHHFS$PEFHFO $ docker pull swaggerapi/swagger-codegen-cli $ docker run -v ${PWD}:/local
\ swaggerapi/swagger-codegen-cli \ generate -l nodejs-server -i /path/to/swagger.json \ -o /local/stub_app 4XBHHFS$PEFHFO W Ͱɺఆٛͨ͠αϯϓϧϨεϙϯεΛฦͤΔͷ /PEF 4QSJOH.7$ͳͲʹݶΒΕ͍ͯΔͷͰɺࠓճnodejs-serverΛࢦఆ
ελϒαʔόͷ্ཱͪ͛ ʢNodeͷڥDockerͳͲͰ࡞͓ͬͯ͘ʣ $ npm start ʢҎԼผλʔϛφϧͰʣ $ curl http://localhost:3000/products/1 {
"product": { "name": "͓ࡼ" } } ͖ͳϨεϙϯεฦ͠์
ࢀߟʛ"1*ఆٛͷ։ൃϑϩʔ w0QFO"1*Ͱ"1*ఆٛΛՃ͢ΔQVMMSFRVFTUΛ࡞Δ w4XBHHFS&EJUPSΛ͏ͱTZOUBYDIFDLͬͯศར wॻ͖࣍ୈɺσεΫपลͰ։ൃਞΈΜͳ͕ू·ͬͯϨϏϡʔ wϑϩϯτΤϯυʗόοΫΤϯυ྆ํͷࢹͰϨϏϡʔͰ͖Δ w0,Ͱ͋ΕNBTUFSϚʔδ w͜ͷ࣌ͰελϒαʔόͰͦͷ"1*͕͑ΔΑ͏ʹͳΔ
ίʔσΟϯάنͷࣗಈνΣοΫ
ίʔσΟϯάنͷࣗಈνΣοΫʛ8IZ wίʔυϨϏϡʔͰઃܭϩδοΫͷϨϏϡʔʹूத͍ͨ͠ͷͰɺ ίʔσΟϯάελΠϧΛܾΊͯɺࣗಈͰͤΔΑ͏ʹ͍ͨ͠ wͨͩ͠ɺ3VCZʹ1)1ͷ143 1ZUIPOͷ1&1΄Ͳཱ֬ͨ͠ ίʔσΟϯάنඪ४ͳ͍
ίʔσΟϯάنʢϧʔϧʣͷઃܭ w3VCP$PQͰνΣοΫ͢Δ wϧʔϧͷݫີ͞ΛܾΊΔ wࣾطଘϓϩδΣΫτͷϧʔϧ!POL͞Μͷهࣄ Λࢀߟʹ ͠ͳ͕Βɺ؇Ίͷͷ͔Β࢝ΊΔ͜ͱʹͨ͠ w!ITCU͞ΜͷΞυόΠε͋ͬͯɺؾܰʹ.rubocop.ymlʹରͯ͠ QVMMSFRVFTUΛग़ͯ͠Β͏ํʹͨ͠ IUUQCMPHPOLOJOKBSVCPDPQHFUUJOHTUBSUFE
3VCP$PQͷϧʔϧྫ w3VCZJTUͳΒ΄΅͜͏ॻͩ͘Ζ͏ͱ͍͏ͷ͚ͩΛϧʔϧͱͯ͠ ͏ w͓અհͳͷΈ͕Θ͔Εͦ͏ͳͷͻͱ·ͣΘͳ͍ w͏ϧʔϧͷྫ wෆཁͳۭߦʗۭ֯നΛফ͢ wίϩϯʗΧϯϚͷ͏͠ΖɺதΧοίͷଆͳͲۭ֯നΛೖΕΔ wҾͳ͠ϝιουͷݺͼग़࣌͠ΧοίΛ͚ͭͳ͍
3VCP$PQͷ࣮ߦ wRuboCop::CLI#runΛͬͯ34QFDͷࣗಈςετͷͳ͔ͰνΣοΫ ͍ͯ͠Δ wࣗಈमਖ਼·Ͱ͍ͯ͠ͳ͍ w3VCZͷίʔυͯ͢ΛόονͰνΣοΫ͢ΔͷͰ͘ͳΔ w;ͩΜQSFDPNNJUIPPLͰνΣοΫͭͭ͠ɺNBTUFSʹରͯ͠ OJHIUMZDIFDL͢Δͱ͔
·ͱΊ
·ͱΊ w։ൃڥ୭ͷ1$্Ͱಉ͡ڥͰಈ͘Α͏ʹ͢Δͱศར w։ൃڥͰ͖Δ͚ͩগͳ͍εςοϓͰηοτΞοϓͰ͖Δͱศར wελϒαʔό࡞ͷΈΛ࡞͓ͬͯ͘ͱϑϩϯτΤϯυʗόοΫΤ ϯυͰฒྻʹ։ൃͰ͖ͯศར w͞Βʹ"1*ఆٛΛνʔϜͰϨϏϡʔ͢Δػձ͕૿͑ΔͷͰศར wࣗಈͰίʔσΟϯάنͷνΣοΫ͕ΔΑ͏ʹ͢Δͱศར
Ҿ͖ଓ͖͍ͬͯ͘͜ͱ w"1*༷ͱ࣮ͷ͍͋ͩͷڍಈͷဃΛ͙ w0QFO"1* 34QFD "QJWPSF wػೳʗύϑΥʔϚϯεͷܧଓతվળͷޮԽ w5BDIJLPNB HFNEJ⒎ͰHFNͷܧଓతΞοϓσʔτ w/ ͷࣗಈݕग़
w$*ͷҡ࣋