Goaを使ってAPIサーバ開発してみた / Develop API server by Goa

DMM.go #2 登壇資料

サンプルコード
https://github.com/yyh-gl/goa-tutorial

Transcript

1. (PBΛ࢖ͬͯ"1*αʔό։ൃͯ͠Έͨ
2. ࣗݾ঺հ 5XJUUFSɿ!ZZI@HMʢIPO%ʣ
   (JU)VCɿZZIHM ϓϥοτϑΥʔϜࣄۀຊ෦
   
 όοΫΤϯυΤϯδχΞ (PΞʔΩςΫνϟ%%% ΄Μͩ
3. 3 ʙ
   (PBʹࢸͬͨܦҢ
   ʙ
4. >> ͍·ͷϓϩδΣΫτ w৽نͰωΠςΟϒΞϓϦͷόοΫΤϯυ։ൃ
   w "1*ͷ֎෦ެ։ɺࣾ಺ެ։͸ͳ͍
   wʢҰԠʣΫϥΠΞϯτͱαʔόαΠυͰνʔϜ͕
 ෼͔Ε͍ͯΔ
   w ΫϥΠΞϯτͷํ͕গ͠ૣΊʹ։ൃ͕ελʔτ
   w 3&45GVM
   "1*Λ࢖༻ 4
5. >> ϑϨʔϜϫʔΫબఆ wબఆʹ͓͚ΔΩʔϫʔυʮ·ͣυΩϡϝϯτʯ
   w υΩϡϝϯτɿ"1*ͷ*0ఆٛ 5 ར༻ऀ͸
   l·ͣυΩϡϝϯτzΛݟΔ ར༻ऀ͔Β͢Ε͹
   lυΩϡϝϯτz͕શͯ
6. >> υΩϡϝϯτେࣄ 6 ΋ͪΖΜ౰ͨΓલͰ͢ ͦ͏ɺ౰ͨΓલͳΜͰ͢ Ͱ΋ɺਓ͸ϛεΛ͢Δੜ͖෺Ͱ͢
7. >> ͜Ε·ͰͷͭΒ͍ܦݧʜ 7 υΩϡϝϯτʹͳ͍
   ϑΟʔϧυ υΩϡϝϯτͱҧ͏ܕ υΩϡϝϯτʹͳ͍
   ύϥϝʔλཁٻ ༨෼ͳ֬ೝ͕࣌ؒൃੜ
8. >> ͭ·Γʜ 8 υΩϡϝϯτͱίʔυ͸ဃ཭͢Δ
9. >> ͭ·Γʜ 9 υΩϡϝϯτͱίʔυ͸ဃ཭͢Δ खͰ࡞Δ ͕ͬͪ͜ਖ਼͍͠
10. >> Ͱ͋Ε͹ɺ wख࡞ۀ͸ഉআ
    w͋Δ৘ใݯ͔Βੜ੒
    w ίʔυˠυΩϡϝϯτ
    w υΩϡϝϯτˠίʔυ
    w தؒݴޠˠίʔυͱυΩϡϝϯτ 10
11. >> υΩϡϝϯτΛେࣄʹͨ͠ཧ༝͸·ͩ͋Δ w࣮૷લʹυΩϡϝϯτΛϨϏϡʔ͢Δ͜ͱͰ
 ࣮૷ʹೖ͔ͬͯΒͷख໭ΓΛݮΒ͢
    w"1*͕Ͱ͖͍ͯͳ͍͜ͱʹΑΔ։ൃ଴ͪΛͳ͘͢
    w ΫϥΠΞϯτ͸υΩϡϝϯτΛ΋ͱʹ࣮૷
    w υΩϡϝϯτ͕͋Ε͹ϞοΫ΋࡞ΕΔʂ 11
12. >> ϑϨʔϜϫʔΫબఆ
    ཁ݅ w࣮૷ΑΓ΋લʹ·ͣυΩϡϝϯτΛ࡞ΕΔ
    w͋Δ৘ใݯ͔ΒυΩϡϝϯτʢͱίʔυʣΛ
 ੜ੒Ͱ͖Δ 12 ઈରʹυΩϡϝϯτʹίʔυʂ
13. >> ީิ w0QFO"1*ʢPQFOBQJZNM
    㲈
    υΩϡϝϯτʣ
    w HPTXBHHFS
    w PQFOBQJZNMʢTXBHHFSZNMʣ͔Β(PͷίʔυΛੜ੒
    w TXBH
    w (Pίʔυ಺ͷίϝϯτ͔ΒPQFOBQJZNMΛੜ੒
    w (PB
    w %4-͔ΒPQFOBQJZNMͱ(PͷίʔυΛੜ੒
    w1SPUPDPM
    #V⒎FST
    w H31$
    
    H31$
    6*
    w *%-͔ΒυΩϡϝϯτͱ(PͷίʔυΛੜ੒ 13
14. >> ީิ w0QFO"1*ʢPQFOBQJZNM
    㲈
    υΩϡϝϯτʣ
    w HPTXBHHFS
    w PQFOBQJZNMʢTXBHHFSZNMʣ͔Β(PͷίʔυΛੜ੒
    w TXBH
    w (Pίʔυ಺ͷίϝϯτ͔ΒPQFOBQJZNMΛੜ੒
    w (PB
    w %4-͔ΒPQFOBQJZNMͱ(PͷίʔυΛੜ੒
    w1SPUPDPM
    #V⒎FST
    w H31$
    
    H31$
    6*
    w *%-͔ΒυΩϡϝϯτͱ(PͷίʔυΛੜ੒ 14 ZBNMΛॻ͘ͷ͸ͭΒ͍
15. >> ީิ w0QFO"1*ʢPQFOBQJZNM
    㲈
    υΩϡϝϯτʣ
    w HPTXBHHFS
    w PQFOBQJZNMʢTXBHHFSZNMʣ͔Β(PͷίʔυΛੜ੒
    w TXBH
    w (Pίʔυ಺ͷίϝϯτ͔ΒPQFOBQJZNMΛੜ੒
    w (PB
    w %4-͔ΒPQFOBQJZNMͱ(PͷίʔυΛੜ੒
    w1SPUPDPM
    #V⒎FST
    w H31$
    
    H31$
    6*
    w *%-͔ΒυΩϡϝϯτͱ(PͷίʔυΛੜ੒ 15 ɾ୯ମͰ͸υΩϡϝϯτ͔Βͷ

    
    
    ίʔυੜ੒͕Ͱ͖ͳ͍
    ɾίϝϯτ͕๲େʹͳΔ
16. >> ީิ w0QFO"1*ʢPQFOBQJZNM
    㲈
    υΩϡϝϯτʣ
    w HPTXBHHFS
    w PQFOBQJZNMʢTXBHHFSZNMʣ͔Β(PͷίʔυΛੜ੒
    w TXBH
    w (Pίʔυ಺ͷίϝϯτ͔ΒPQFOBQJZNMΛੜ੒
    w (PB
    w %4-͔ΒPQFOBQJZNMͱ(PͷίʔυΛੜ੒
    w1SPUPDPM
    #V⒎FST
    w H31$
    
    H31$
    6*
    w *%-͔ΒυΩϡϝϯτͱ(PͷίʔυΛੜ੒ 16 ɾQSPUPͷ಺༰ΛυΩϡϝϯτԽͰ͖Δʂ
    ɾQSPUP͔ΒίʔυΛੜ੒Ͱ͖Δʂ
    ɾ࠷ߴʂͰ΋31$ɻɻɻ
17. >> ީิ w0QFO"1*ʢPQFOBQJZNM
    㲈
    υΩϡϝϯτʣ
    w HPTXBHHFS
    w PQFOBQJZNMʢTXBHHFSZNMʣ͔Β(PͷίʔυΛੜ੒
    w TXBH
    w (Pίʔυ಺ͷίϝϯτ͔ΒPQFOBQJZNMΛੜ੒
    w (PB
    w %4-͔ΒPQFOBQJZNMͱ(PͷίʔυΛੜ੒
    w1SPUPDPM
    #V⒎FST
    w H31$
    
    H31$
    6*
    w *%-͔ΒυΩϡϝϯτͱ(PͷίʔυΛੜ੒ 17 ɾ%4-͔ΒυΩϡϝϯτΛੜ੒Ͱ͖Δʂ
    ɾ%4-͔ΒίʔυΛੜ੒Ͱ͖Δʂ
    ɾ%4-ࣗମ(PͳͷͰֶशίετ͸গͳΊ ͍͍Ͷʂ 5-
18. 18 ʙ
    (PBʹ͍ͭͯ΋͏গ͠ৄ͘͠
    ʙ
19. >> (PB w%4-Λهड़͢Δ͜ͱͰ
 "1*ͷ*OQVUͱ0VUQVUΛఆٛ
    w%4-Λ΋ͱʹ
    w PQFOBQJZNMΛੜ੒Մೳ
    w (PͷίʔυΛੜ੒Մೳ
    w%4-ࣗମ͸(PͳͷͰɺ0QFO"1*ʹؔ͢Δ஌͕ࣝ
 ͋Ε͹ॻ͘͜ͱࣗମ͸؆୯ 19
20. >> (PB w%4-Λهड़͢Δ͜ͱͰ
 "1*ͷ*/165ͱ065165Λఆٛ
    w%4-Λ΋ͱʹ
    w PQFOBQJZNMΛੜ੒Մೳ
    w (PͷίʔυΛੜ੒Մೳ
    w%4-ࣗମ͸(PͳͷͰɺ0QFO"1*ʹؔ͢Δ஌͕ࣝ
 ͋Ε͹ॻ͘͜ͱࣗମ͸؆୯ 20 https://goa.design/
21. >> (PBͰੜ੒͞Εͨίʔυ wੜ੒͞ΕΔ(Pͷίʔυ͸͋͘·Ͱ
 ϓϨθϯςʔγϣϯ૚૬౰ͷίʔυ
    w ϏδωεϩδοΫʹ͸Ұ੾հೖ͠ͳ͍ 21 1SFTFOUBUJPO૚ 6TF$BTFʢ"QQMJDBUJPOʣ૚ %PNBJO૚ *OGSBTUSVDUVSF૚
22. >> (PBͷ஫ҙ఺ w࢖༻Ͱ͖Δͷ͸0QFO"1*
    WͷΈ
    w ݱࡏWରԠʹ޲͚ͯ࡞ۀதʁ 22
23. 23 ʙ
    ࣮ࡍͲ͏։ൃ͍ͯ͠Δ͔
    ʙ
24. >> 
    σβΠϯ࡞੒ 24
25. >> 
    υΩϡϝϯτͱίʔυͷੜ੒ wσβΠϯ͔Β
 PQFOBQJZNM͓Αͼ
 ίʔυΛੜ੒ 25
26. >> wPQFOBQJZNMΛ4XBHHFS
    6*Λ࢖ͬͯ
 ϒϥ΢βͰӾཡͰ͖ΔΑ͏ʹ͢Δ
    w ΈΜͳͰϨϏϡʔ 
    ϨϏϡʔ 26 EPDLFSDPNQPTFZNM
27. >> wPQFOBQJZNMΛ4XBHHFS
    6*Λ࢖ͬͯ
 ϒϥ΢βͰӾཡͰ͖ΔΑ͏ʹ͢Δ
    w ΈΜͳͰϨϏϡʔ 
    ϨϏϡʔ 27
28. >> wPQFOBQJZNMΛ4XBHHFS
    6*Λ࢖ͬͯ
 ϒϥ΢βͰӾཡͰ͖ΔΑ͏ʹ͢Δ
    w ΈΜͳͰϨϏϡʔ 
    ϨϏϡʔ 28 υΩϡϝϯτڞ༗ํ๏͸ޙ΄Ͳ
29. >> 
    ຊ࣮૷ wੜ੒͞ΕͨίʔυΛϏδωεϩδοΫͱඥ෇͚Δ 29 1SFTFOUBJPO૚ͷίʔυ
30. 30 ʙ
    ଞʹ޻෉͍ͯ͠Δ͜ͱ
    ʙ
31. >> ࣗಈੜ੒ͨ͠ϑΝΠϧͷ؅ཧ w(JUͰͷ؅ཧ͸͍ͯ͠ͳ͍
    w ͩΕ͕ੜ੒ͯ͠΋ಉ͡ϑΝΠϧ͕Ͱ͖͕͋Δ
    w 13ϨϏϡʔ࣌ʹ༨෼ͳࠩ෼Λग़ͨ͘͠ͳ͍
    w ੜ੒ʹ͔͔Δ࣌ؒ͸਺ඵఔ౓
    w $*࣌΋͍͔ͪΒੜ੒
    w ݱঢ়ɺ$*ʹΊͪΌͪ͘Ό͔͔࣌ؒΔɺͱ͔͸ͳ͍ 31
32. >> υΩϡϝϯτͷڞ༗ํ๏ w 4ͰϗεςΟϯά
    w EFWFMPQϒϥϯν͸ৗʹӾཡՄೳ
    w ϒϥϯν໊ͷϓϦϑΟοΫεΛʮEFTJHOʯʹ͢Δͱ
 $*ʹͯPQFOBQJZNM͕ࣗಈͰ4ʹΞοϓϩʔυ͞ΕΔ 32
33. >> υΩϡϝϯτͷڞ༗ํ๏ w 4ͰϗεςΟϯά
    w EFWFMPQϒϥϯν͸ৗʹӾཡՄೳ
    w ϒϥϯν໊ͷϓϦϑΟοΫεΛʮEFTJHOʯʹ͢Δͱ
 $*ʹͯPQFOBQJZNM͕ࣗಈͰ4ʹΞοϓϩʔυ͞ΕΔ 33 ͜ͷ෦෼Λ࡞ۀ͍ͯͨ͠ϒϥϯν໊ʹ͢Ε͹
    ͦͷϒϥϯνͷυΩϡϝϯτΛӾཡՄೳ
34. >> ϨεϙϯεΛΧελϚΠζ wΦϦδφϧͷΤϥʔϨεϙϯε༻ϋϯυϥʔ͓Αͼ
 ϑΥʔϚολΛࠩ͠ࠐΈՄೳ 34 HFOIUUQVTFSTFSWFSTFSWFSHP \
    
    
    
    
    lOBNFNJTTJOH@QBZMPBE
    
    
    
    
    lJE4BQ*0#O(
    
    
    
    
    NFTTBHFNJTTJOH
    SFRVJSFE
    QBZMPBEz
    
    
    
    
    lUFNQPSBSZGBMTF
    
    
    
    
    lUJNFPVUGBMTF
    
    
    
    
    lGBVMUzGBMTF
    ^
35. >> ϨεϙϯεΛΧελϚΠζ wΦϦδφϧͷΤϥʔϨεϙϯε༻ϋϯυϥʔ͓Αͼ
 ϑΥʔϚολΛࠩ͠ࠐΈՄೳ 35 HFOIUUQVTFSTFSWFSTFSWFSHP
36. >> ϨεϙϯεΛΧελϚΠζ wΦϦδφϧͷΤϥʔϨεϙϯε༻ϋϯυϥʔ͓Αͼ
 ϑΥʔϚολΛࠩ͠ࠐΈՄೳ 36 HFOIUUQVTFSTFSWFSTFSWFSHP \
    
    
    
    
    DPEF
    
    
    
    
    
    NFTTBHFαʔό಺ͰΤϥʔ͕ൃੜ͠·ͨ͠
    ^
37. >> HPMJOUΛ९क w(PBެࣜͷαϯϓϧίʔυʹԊͬͯ։ൃ͍ͯ͠Δͱ
 υοτΠϯϙʔτ͍ͯ͠ΔͨΊ
    HPMJOU
    ʹౖΒΕΔ 37 αϯϓϧίʔυ
38. >> HPMJOUΛ९क w(PBެࣜͷαϯϓϧίʔυʹԊͬͯ։ൃ͍ͯ͠Δͱ
 υοτΠϯϙʔτ͍ͯ͠ΔͨΊ
    HPMJOU
    ʹౖΒΕΔ 38 υοτΠϯϙʔτ͍ͯ͠ͳ͍όʔδϣϯ
39. >> αϯϓϧίʔυ HPMJOUΛ९क w(PBެࣜͷαϯϓϧίʔυʹԊͬͯ։ൃ͍ͯ͠Δͱ
 υοτΠϯϙʔτ͍ͯ͠ΔͨΊ
    HPMJOU
    ʹౖΒΕΔ 39 
    HPMJOU
    
    EFTJHOVTFSHP
    TIPVME
    OPU
    VTF
    EPU
    JNQPSUT
40. >> HPMJOUΛ९क w(PBެࣜͷαϯϓϧίʔυʹԊͬͯ։ൃ͍ͯ͠Δͱ
 υοτΠϯϙʔτ͍ͯ͠ΔͨΊ
    HPMJOU
    ʹౖΒΕΔ 40 ๻ͨͪͷίʔυ
41. >> HPMJOUΛ९क w(PBެࣜͷαϯϓϧίʔυʹԊͬͯ։ൃ͍ͯ͠Δͱ
 υοτΠϯϙʔτ͍ͯ͠ΔͨΊ
    HPMJOU
    ʹౖΒΕΔ 41 ๻ͨͪͷίʔυ ਖ਼௚ΊΜͲ͍͘͞
42. >> ·ͱΊ w(PBͰυΩϡϝϯτத৺ͷ։ൃΛ࣮ݱ
    w ίʔυʹυΩϡϝϯτ
    wυΩϡϝϯτͷϨϏϡʔͰख໭ΓΛ࡟ݮ
    w ʴ
    ΫϥΠΞϯτͱαʔόαΠυؒͰͷೝࣝ߹Θͤ
    w"1*։ൃ஗ΕʹΑΔɺΫϥΠΞϯταΠυͰͷ
 ଴ͪ࣌ؒΛ࡟ݮ 42
43. >> ༨ஊ w͍ͭͰ΋H31$ʹ৐Γ׵͑Δ४උ͸Ͱ͖͍ͯΔ 43 (PB͸QSFTFOUBUJPO૚಺ʹ͔͠ݱΕͳ͍ QSFTFOUBUJPO૚͚ͩ
    ม͑Ε͹0,
44. >> (PB wੜ੒͞ΕΔ(Pͷίʔυ͸͋͘·Ͱ
 ϓϨθϯςʔγϣϯ૚૬౰ͷίʔυ
    w ϏδωεϩδοΫʹ͸Ұ੾հೖ͠ͳ͍ 44 1SFTFOUBUJPO૚ %PNBJO૚ *OGSBTUSVDUVSF૚ 6TF$BTFʢ"QQMJDBUJPOʣ૚
45. >> 1SFTFOUBUJPO૚ (PB wੜ੒͞ΕΔ(Pͷίʔυ͸͋͘·Ͱ
 ϓϨθϯςʔγϣϯ૚૬౰ͷίʔυ
    w ϏδωεϩδοΫʹ͸Ұ੾հೖ͠ͳ͍ 45 (PB %PNBJO૚ *OGSBTUSVDUVSF૚ 6TF$BTFʢ"QQMJDBUJPOʣ૚
46. >> 1SFTFOUBUJPO૚ (PB wੜ੒͞ΕΔ(Pͷίʔυ͸͋͘·Ͱ
 ϓϨθϯςʔγϣϯ૚૬౰ͷίʔυ
    w ϏδωεϩδοΫʹ͸Ұ੾հೖ͠ͳ͍ 46 H31$ %PNBJO૚ *OGSBTUSVDUVSF૚ 6TF$BTFʢ"QQMJDBUJPOʣ૚
47. >> wੜ੒͞ΕΔ(Pͷίʔυ͸͋͘·Ͱ
 ϓϨθϯςʔγϣϯ૚૬౰ͷίʔυ
    w ϏδωεϩδοΫʹ͸Ұ੾հೖ͠ͳ͍ 1SFTFOUBUJPO૚ (PB 47 H31$ %PNBJO૚ *OGSBTUSVDUVSF૚ 6TF$BTFʢ"QQMJDBUJPOʣ૚ (PB