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
   

   View Slide

2. ࣗݾ঺հ
   5XJUUFSɿ!ZZI@HMʢIPO%ʣ
   (JU)VCɿZZIHM
   ϓϥοτϑΥʔϜࣄۀຊ෦

   όοΫΤϯυΤϯδχΞ
   (PΞʔΩςΫνϟ%%%
   ΄Μͩ
   

   View Slide

3. 3
   ʙ(PBʹࢸͬͨܦҢʙ
   

   View Slide

4. >> ͍·ͷϓϩδΣΫτ
   w৽نͰωΠςΟϒΞϓϦͷόοΫΤϯυ։ൃ
   w "1*ͷ֎෦ެ։ɺࣾ಺ެ։͸ͳ͍
   wʢҰԠʣΫϥΠΞϯτͱαʔόαΠυͰνʔϜ͕

   ෼͔Ε͍ͯΔ
   w ΫϥΠΞϯτͷํ͕গ͠ૣΊʹ։ൃ͕ελʔτ
   w 3&45GVM"1*Λ࢖༻
   4
   

   View Slide

5. >> ϑϨʔϜϫʔΫબఆ
   wબఆʹ͓͚ΔΩʔϫʔυʮ·ͣυΩϡϝϯτʯ
   w υΩϡϝϯτɿ"1*ͷ*0ఆٛ
   5
   ར༻ऀ͸
   l·ͣυΩϡϝϯτzΛݟΔ
   ར༻ऀ͔Β͢Ε͹
   lυΩϡϝϯτz͕શͯ
   

   View Slide

6. >> υΩϡϝϯτେࣄ
   6
   ΋ͪΖΜ౰ͨΓલͰ͢
   ͦ͏ɺ౰ͨΓલͳΜͰ͢
   Ͱ΋ɺਓ͸ϛεΛ͢Δੜ͖෺Ͱ͢
   

   View Slide

7. >> ͜Ε·ͰͷͭΒ͍ܦݧʜ
   7
   υΩϡϝϯτʹͳ͍
   ϑΟʔϧυ
   υΩϡϝϯτͱҧ͏ܕ
   υΩϡϝϯτʹͳ͍
   ύϥϝʔλཁٻ
   ༨෼ͳ֬ೝ͕࣌ؒൃੜ
   

   View Slide

8. >> ͭ·Γʜ
   8
   υΩϡϝϯτͱίʔυ͸ဃ཭͢Δ
   

   View Slide

9. >> ͭ·Γʜ
   9
   υΩϡϝϯτͱίʔυ͸ဃ཭͢Δ
   खͰ࡞Δ
   ͕ͬͪ͜ਖ਼͍͠
   

   View Slide

10. >> Ͱ͋Ε͹ɺ
    wख࡞ۀ͸ഉআ
    w͋Δ৘ใݯ͔Βੜ੒
    w ίʔυˠυΩϡϝϯτ
    w υΩϡϝϯτˠίʔυ
    w தؒݴޠˠίʔυͱυΩϡϝϯτ
    10
    

    View Slide

11. >> υΩϡϝϯτΛେࣄʹͨ͠ཧ༝͸·ͩ͋Δ
    w࣮૷લʹυΩϡϝϯτΛϨϏϡʔ͢Δ͜ͱͰ

    ࣮૷ʹೖ͔ͬͯΒͷख໭ΓΛݮΒ͢
    w"1*͕Ͱ͖͍ͯͳ͍͜ͱʹΑΔ։ൃ଴ͪΛͳ͘͢
    w ΫϥΠΞϯτ͸υΩϡϝϯτΛ΋ͱʹ࣮૷
    w υΩϡϝϯτ͕͋Ε͹ϞοΫ΋࡞ΕΔʂ
    11
    

    View Slide

12. >> ϑϨʔϜϫʔΫબఆཁ݅
    w࣮૷ΑΓ΋લʹ·ͣυΩϡϝϯτΛ࡞ΕΔ
    w͋Δ৘ใݯ͔ΒυΩϡϝϯτʢͱίʔυʣΛ

    ੜ੒Ͱ͖Δ
    12
    ઈରʹυΩϡϝϯτʹίʔυʂ
    

    View Slide

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
    

    View Slide

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
    

    View Slide

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
    

    View Slide

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
    

    View Slide

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-
    

    View Slide

18. 18
    ʙ(PBʹ͍ͭͯ΋͏গ͠ৄ͘͠ʙ
    

    View Slide

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
    

    View Slide

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/
    

    View Slide

21. >> (PBͰੜ੒͞Εͨίʔυ
    wੜ੒͞ΕΔ(Pͷίʔυ͸͋͘·Ͱ

    ϓϨθϯςʔγϣϯ૚૬౰ͷίʔυ
    w ϏδωεϩδοΫʹ͸Ұ੾հೖ͠ͳ͍
    21
    1SFTFOUBUJPO૚
    6TF$BTFʢ"QQMJDBUJPOʣ૚
    %PNBJO૚
    *OGSBTUSVDUVSF૚
    

    View Slide

22. >> (PBͷ஫ҙ఺
    w࢖༻Ͱ͖Δͷ͸0QFO"1*WͷΈ
    w ݱࡏWରԠʹ޲͚ͯ࡞ۀதʁ
    22
    

    View Slide

23. 23
    ʙ࣮ࡍͲ͏։ൃ͍ͯ͠Δ͔ʙ
    

    View Slide

24. >> σβΠϯ࡞੒
    24
    

    View Slide

25. >> υΩϡϝϯτͱίʔυͷੜ੒
    wσβΠϯ͔Β

    PQFOBQJZNM͓Αͼ

    ίʔυΛੜ੒
    25
    

    View Slide

26. >>
    wPQFOBQJZNMΛ4XBHHFS6*Λ࢖ͬͯ

    ϒϥ΢βͰӾཡͰ͖ΔΑ͏ʹ͢Δ
    w ΈΜͳͰϨϏϡʔ
    ϨϏϡʔ
    26
    EPDLFSDPNQPTFZNM
    

    View Slide

27. >>
    wPQFOBQJZNMΛ4XBHHFS6*Λ࢖ͬͯ

    ϒϥ΢βͰӾཡͰ͖ΔΑ͏ʹ͢Δ
    w ΈΜͳͰϨϏϡʔ
    ϨϏϡʔ
    27
    

    View Slide

28. >>
    wPQFOBQJZNMΛ4XBHHFS6*Λ࢖ͬͯ

    ϒϥ΢βͰӾཡͰ͖ΔΑ͏ʹ͢Δ
    w ΈΜͳͰϨϏϡʔ
    ϨϏϡʔ
    28
    υΩϡϝϯτڞ༗ํ๏͸ޙ΄Ͳ
    

    View Slide

29. >> ຊ࣮૷
    wੜ੒͞ΕͨίʔυΛϏδωεϩδοΫͱඥ෇͚Δ
    29
    1SFTFOUBJPO૚ͷίʔυ
    

    View Slide

30. 30
    ʙଞʹ޻෉͍ͯ͠Δ͜ͱʙ
    

    View Slide

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
    

    View Slide

32. >> υΩϡϝϯτͷڞ༗ํ๏
    w 4ͰϗεςΟϯά
    w EFWFMPQϒϥϯν͸ৗʹӾཡՄೳ
    w ϒϥϯν໊ͷϓϦϑΟοΫεΛʮEFTJHOʯʹ͢Δͱ

    $*ʹͯPQFOBQJZNM͕ࣗಈͰ4ʹΞοϓϩʔυ͞ΕΔ
    32
    

    View Slide

33. >> υΩϡϝϯτͷڞ༗ํ๏
    w 4ͰϗεςΟϯά
    w EFWFMPQϒϥϯν͸ৗʹӾཡՄೳ
    w ϒϥϯν໊ͷϓϦϑΟοΫεΛʮEFTJHOʯʹ͢Δͱ

    $*ʹͯPQFOBQJZNM͕ࣗಈͰ4ʹΞοϓϩʔυ͞ΕΔ
    33
    ͜ͷ෦෼Λ࡞ۀ͍ͯͨ͠ϒϥϯν໊ʹ͢Ε͹
    ͦͷϒϥϯνͷυΩϡϝϯτΛӾཡՄೳ
    

    View Slide

34. >> ϨεϙϯεΛΧελϚΠζ
    wΦϦδφϧͷΤϥʔϨεϙϯε༻ϋϯυϥʔ͓Αͼ

    ϑΥʔϚολΛࠩ͠ࠐΈՄೳ
    34
    HFOIUUQVTFSTFSWFSTFSWFSHP
    \
    lOBNFNJTTJOH@QBZMPBE
    lJE4BQ*0#O(
    NFTTBHFNJTTJOHSFRVJSFEQBZMPBEz
    lUFNQPSBSZGBMTF
    lUJNFPVUGBMTF
    lGBVMUzGBMTF
    ^
    

    View Slide

35. >> ϨεϙϯεΛΧελϚΠζ
    wΦϦδφϧͷΤϥʔϨεϙϯε༻ϋϯυϥʔ͓Αͼ

    ϑΥʔϚολΛࠩ͠ࠐΈՄೳ
    35
    HFOIUUQVTFSTFSWFSTFSWFSHP
    

    View Slide

36. >> ϨεϙϯεΛΧελϚΠζ
    wΦϦδφϧͷΤϥʔϨεϙϯε༻ϋϯυϥʔ͓Αͼ

    ϑΥʔϚολΛࠩ͠ࠐΈՄೳ
    36
    HFOIUUQVTFSTFSWFSTFSWFSHP
    \
    DPEF
    NFTTBHFαʔό಺ͰΤϥʔ͕ൃੜ͠·ͨ͠
    ^
    

    View Slide

37. >> HPMJOUΛ९क
    w(PBެࣜͷαϯϓϧίʔυʹԊͬͯ։ൃ͍ͯ͠Δͱ

    υοτΠϯϙʔτ͍ͯ͠ΔͨΊHPMJOUʹౖΒΕΔ
    37
    αϯϓϧίʔυ
    

    View Slide

38. >> HPMJOUΛ९क
    w(PBެࣜͷαϯϓϧίʔυʹԊͬͯ։ൃ͍ͯ͠Δͱ

    υοτΠϯϙʔτ͍ͯ͠ΔͨΊHPMJOUʹౖΒΕΔ
    38
    υοτΠϯϙʔτ͍ͯ͠ͳ͍όʔδϣϯ
    

    View Slide

39. >>
    αϯϓϧίʔυ
    HPMJOUΛ९क
    w(PBެࣜͷαϯϓϧίʔυʹԊͬͯ։ൃ͍ͯ͠Δͱ

    υοτΠϯϙʔτ͍ͯ͠ΔͨΊHPMJOUʹౖΒΕΔ
    39
    HPMJOU
    EFTJHOVTFSHPTIPVMEOPUVTFEPUJNQPSUT
    

    View Slide

40. >> HPMJOUΛ९क
    w(PBެࣜͷαϯϓϧίʔυʹԊͬͯ։ൃ͍ͯ͠Δͱ

    υοτΠϯϙʔτ͍ͯ͠ΔͨΊHPMJOUʹౖΒΕΔ
    40
    ๻ͨͪͷίʔυ
    

    View Slide

41. >> HPMJOUΛ९क
    w(PBެࣜͷαϯϓϧίʔυʹԊͬͯ։ൃ͍ͯ͠Δͱ

    υοτΠϯϙʔτ͍ͯ͠ΔͨΊHPMJOUʹౖΒΕΔ
    41
    ๻ͨͪͷίʔυ
    ਖ਼௚ΊΜͲ͍͘͞
    

    View Slide

42. >> ·ͱΊ
    w(PBͰυΩϡϝϯτத৺ͷ։ൃΛ࣮ݱ
    w ίʔυʹυΩϡϝϯτ
    wυΩϡϝϯτͷϨϏϡʔͰख໭ΓΛ࡟ݮ
    w ʴΫϥΠΞϯτͱαʔόαΠυؒͰͷೝࣝ߹Θͤ
    w"1*։ൃ஗ΕʹΑΔɺΫϥΠΞϯταΠυͰͷ

    ଴ͪ࣌ؒΛ࡟ݮ
    42
    

    View Slide

43. >> ༨ஊ
    w͍ͭͰ΋H31$ʹ৐Γ׵͑Δ४උ͸Ͱ͖͍ͯΔ
    43
    (PB͸QSFTFOUBUJPO૚಺ʹ͔͠ݱΕͳ͍
    QSFTFOUBUJPO૚͚ͩ
    ม͑Ε͹0,
    

    View Slide

44. >> (PB
    wੜ੒͞ΕΔ(Pͷίʔυ͸͋͘·Ͱ

    ϓϨθϯςʔγϣϯ૚૬౰ͷίʔυ
    w ϏδωεϩδοΫʹ͸Ұ੾հೖ͠ͳ͍
    44
    1SFTFOUBUJPO૚
    %PNBJO૚
    *OGSBTUSVDUVSF૚
    6TF$BTFʢ"QQMJDBUJPOʣ૚
    

    View Slide

45. >>
    1SFTFOUBUJPO૚
    (PB
    wੜ੒͞ΕΔ(Pͷίʔυ͸͋͘·Ͱ

    ϓϨθϯςʔγϣϯ૚૬౰ͷίʔυ
    w ϏδωεϩδοΫʹ͸Ұ੾հೖ͠ͳ͍
    45
    (PB
    %PNBJO૚
    *OGSBTUSVDUVSF૚
    6TF$BTFʢ"QQMJDBUJPOʣ૚
    

    View Slide

46. >>
    1SFTFOUBUJPO૚
    (PB
    wੜ੒͞ΕΔ(Pͷίʔυ͸͋͘·Ͱ

    ϓϨθϯςʔγϣϯ૚૬౰ͷίʔυ
    w ϏδωεϩδοΫʹ͸Ұ੾հೖ͠ͳ͍
    46
    H31$
    %PNBJO૚
    *OGSBTUSVDUVSF૚
    6TF$BTFʢ"QQMJDBUJPOʣ૚
    

    View Slide

47. >>
    wੜ੒͞ΕΔ(Pͷίʔυ͸͋͘·Ͱ

    ϓϨθϯςʔγϣϯ૚૬౰ͷίʔυ
    w ϏδωεϩδοΫʹ͸Ұ੾հೖ͠ͳ͍
    1SFTFOUBUJPO૚
    (PB
    47
    H31$
    %PNBJO૚
    *OGSBTUSVDUVSF૚
    6TF$BTFʢ"QQMJDBUJPOʣ૚
    (PB
    

    View Slide