個人開発者のためのaws-serverless-express #kyotojs

HANATANI Takuma(@potato4d) 2018.03.23
#kyotojs

1. ݸਓ։ൃऀͷͨΊͷ aws-serverless-express HANATANI Takuma(@potato4d) 2018.03.23 #kyotojs
2. Ξ • ࣗݾ঺հ • ݸਓ։ൃʹ͓͚ΔΠϯϑϥෛ୲ͷਏ͞ • PaaSʹΑΔղܾ • aws-serverless-expressͷྑ͞ • ݸਓ։ൃऀʹͱͬͯͷNode.jsͷΠϯϑϥͷͭΒ͞ • aws-serverless-expressͷ͸͡Ί͔ͨ
3. ࣗݾ঺հ
4. Ί͙ΈΜ ੠ - ಺ాਅྱ / ߴڮཥґ ߚຐ଒ͷগঁɻ13ࡀˠ14ࡀ ʢWEB൛Ͱ͸17ࡀલޙʣɻεϐϯΦϑʮ͜ͷૉ੖Β͍͠ ੈքʹരԍΛʂ ʯͷओਓެɻ ࠇ൅ʹߚ͍໨ɻࠇϚϯτ ʹࠇϩʔϒɺτϯΨϦ๧ࢠΛඃΓɺࠨ໨ʹ؟ଳʢผʹ໨ ͕ѱ͍Θ͚Ͱ͸ͳ͘ɺͨͩͷϑΝογϣϯʣΛ͚͍ͭͯ ΔɻΧζϚͱΞΫΞͷग़ͨ͠ύʔςΟʔϝϯόʔืूͷ ுΓࢴΛݟͯ஥ؒʹՃΘΔɻମ֨͸খฑͰࡉ਎ɺ਎௕͸ গͳ͘ͱ΋ΧζϚ(165cm)ΑΓ௿͍ɻ԰ෑͰ͸੺ͷύ IUUQTCJUMZ;#'.;P
5. @potato4d • ౦ژͰϑϦʔϥϯε΍ͬͯΔ • ͍͍ͩͨϑϩϯτΤϯυ • ࠷ۙ͸ຆͲNuxtͷ։ൃͱ͔ϑϩϯτٕज़૬ஊ • Vue.js JP / VueFes Staff / Vue.js translator • ͜ͷؒٱʑʹNode.jsΛੜͰॻ͍ͨΒdeep copyͷͨ Ίʹobject-rest-spreadΛ࢖ͬͯCIΛམͱͨ͠ਓ
6. ຊ୊
7. ͍͖ͳΓͰ͕͢օ͞Μʂ
8. ݸਓ։ൃͯ͠·͔͢ʁ
9. WebApp։ൃͯ͠·͔͢ʁ
10. ݸਓ։ൃͷʮΠϯϑϥʯ ͭΒ͘ͳ͍Ͱ͔͢ʁ
11. ʮϝϯςφϯεʯʹ ৽͍͜͠ͱΛ΍Δ࣌ؒΛ ୣΘΕ͍ͯ·ͤΜ͔ʁ
12. ຊ࣭తͰͳ͍࡞ۀͰ ϞνϕΛԼ͍͛ͯ·ͤΜ͔ʁ
13. ྫ͑͹ʮ͜Μͳ͜ͱʯ ىͬͯ͜ͳ͍Ͱ͔͢ʁ
14. ݸਓ։ൃͷΠϯϑϥϝϯςͷͭΒΈ • IaaSΛआΓ͍ͯΔͱηΩϡϦςΟΞοϓσʔτͳͲʹ ࣮֬ʹ௥ΘΕͯͲ͔͜ͰରԠ͢ΔϋϝʹͳΔ • Φʔτεέʔϧͷߏ੒ʹ͠ͳ͍ͱෛՙʹରॲͰ͖ͳ ͍͚ͲɺݸਓͰΦʔτεέʔϧ͸͓ࡒ෍͕ͭΒ͍ • Կނ͔Docker͕յΕͯରԠͰझຯ։ൃͷ༹͕͚࣌ؒ Δ • ͜ͷۤ͠Έ͕WebAppͷ਺͚ͩ૿͍͑ͯ͘
15. ͋Γ͕ͪ
16. ࡞Ε͹࡞Δ΄Ͳ৽͍͠΋ͷΛ ࡞Δ͕࣌ؒݮ͍ͬͯ͘
17. ϝϯςͨ͘͠ͳ͍
18. Ͳ͏ʹ͔ͯ͠ղܾ͍ͨ͠
19. ࠓ೔͸͜ΕΛղܾ͠Α͏
20. Α͋͘Δղܾ๏
21. PaaSΛ࢖͏
23. Heroku࢖͍͕ͪ • ݴޠΛಛʹ໰Θͣʹ࢖͑ΔͷͰศར • جຊແྉͩ͠༗ྉͰ24hىಈʹͯ͠΋͔͔ͨͩ ݄800ԁ͙Β͍ • Let’s Encrypt ͷࣗಈߋ৽΋Ͱ͖Δ͠Addon΋ ͋ͬͯࢮ͵΄Ͳศར • େମ͜ΕͰΑ͘ͳΔ
24. ͚ͲͭΒ͍࣌΋͋Δ
25. HerokuͰͭΒ͍ͱ͖ • ϨΠςϯγ͕ΩπΠ • ݸਓ։ൃͰFastlyΛ࢖͑ΔΘ͚͕ͳ͍ΜͩΑͳ • Naked domainͷSSLʹରԠͯ͠ͳ͍ • ϧʔτυϝΠϯͰSSL͍ͨ͠ͳΒCloudFrontט·ͤΖ • େྔʹಈ͔ͩ͢͠ͱແྉ࿮͕2ඵͰރׇ͢Δ • εέʔϦϯάੑೳ͕ऴ͍ྃͯ͠Δ
27. GAE Standard࢖͍͕ͪ • Google͕޷͖ͳݴޠͩͱLambdaతͳ࣮ߦ࣌ؒ՝ۚͰ ΞϓϦέʔγϣϯΛಈ͔ͤΔͷͰ͍҆ • cronͱ͔΋͍ͭͯͯҙ֎ʹߴੑೳ • ೔ຊϦʔδϣϯ͕໪࿦͋ΔͷͰ͸΍ͯ͘࠷ߴͬΆ͍ • Naked domainͷSSLରԠ΋όονϦ • σϑΥͰΦʔτεέʔϧ͢Δ • େମ͜ΕͰΑ͘ͳΔ
28. ͜Ε΋ͭΒ͍͕࣌͋Δ
29. GAE StandardͰͭΒ͍ͱ͖ • Google͕޷͖ͳݴޠҎ֎͸ߴ͍ϓϥϯ(Flexible)͔͠ ͳ͍ • ͦͷ޷͖ͳݴޠ͸Python/Go/Java͋ͨΓͰͭΒ͍ • Flexible͸DockerίϯςφΛಈ͔͚ͩ͢ͳͷͰී௨ʹ ֹ݄ͰGCEͷྉ͕͔͔ۚͬͯߴͯͭ͘Β͍ • Flexible͸ElasticBeanstalkΈ͍ͨͳ΋Μ
30. NodeͰͷ։ൃऀʹਓݖ͕ͳ͍
31. ͦ͜Ͱ
32. ΋͏Ұͭͷղܾํ๏
33. FaaSʹࡌͤΔ
34. Lambdaͱ͔CloudFunctions
35. FaaS • Node.jsͰॻ͚Δ(Lambda͸Python/Java΋) • Lambda͸Πϕϯτͷ൚༻ੑΛɺCloudFunctions͸ Express LikeͳI/F͕ັྗͳܗͰఏڙ͞Ε͍ͯΔ • ϨΠςϯγ΋ॳճىಈ͕ඍົ͙Β͍ • ໪࿦࣮ߦ࣌ؒ՝ۚͰ͍҆ • ٯʹແݶʹϦΫΤετ͕͖ͨΒۚΛ͔͚ͯΦʔτεέʔ ϧແݶʹͯ͘͠Εͯศར
36. ͚ͲͭΒ͞΋͋Δ
37. FaaSͷͭΒ͞ • ݁ہҰఆҎ্ಠࣗه๏ʹམͪண͘ • طଘͷNode.jsΞϓϦέʔγϣϯͷ࡞ΓํͰ࡞Δ͜ͱ ͕Ͱ͖ΔΘ͚Ͱ͸ͳ͍ • ٕज़తʹ൚༻ੑ͕ͳ͍ʢϩοΫΠϯʣ • ϩʔΧϧ࣮ߦ͕ͱʹ͔͘ΊΜͲ͍͘͞ • API Gateway͔Β౉ͬͯ͘Δ event ͷߏ଄͕…… • ׬੒඼͸Αͯ͘΋։ൃ్த͕ͭΒ͍
38. ͭΒ͍
39. FaaSͷಛ௃Λ࣋ͬͨ GAE/SE for Node.js͕͋Ε͹……
40. ͦΜͳ࣌ͷٹੈओ
41. aws-serverless-express
42. ͱ͜ΖͰ
43. aws-serverless-express Λ஌͍ͬͯΔਓʁ
44. aws-serverless-express ࢖ͬͨ͜ͱ͋Δਓʁ
45. aws-serverless-express • Amazon͕ϊϦͰ࡞ͬͪΌͬͨ
 “AWS LambdaͰExpress͕ಈ͘” ϥΠϒϥϦ • طଘͷExpressΞϓϦέʔγϣϯʹMiddlewareΛ௥Ճ ͢Δ͚ͩͰԿނ͔LambdaͰಈ͘ • αʔόʔϨεͷԸܙΛड͚ͳ͕Β׳Ε਌͠ΜͩExpress ه๏ͰΞϓϦέʔγϣϯΛهड़Ͱ͖Δͷ͕ັྗ
46. Source Code const serverlessExpress = require('aws-serverless-express/middleware') app.use(serverlessExpress.eventContext()) app.get('/', (req, res) => { res.json(req.apiGateway.event) })
47. ࣮ࡍʹ࢖ͬͯΔWebApp https://connpassport.com
48. ྑ͞
49. Ͳ͕͜ྑ͍ͷ͔ • ී௨ʹNode.jsͰ։ൃ͍ͯ͠ΔͷʹԿނ͔ແݶʹε έʔϧ͢Δ • ී௨ʹNode.jsͰ։ൃ͍ͯ͠ΔͷʹԿނ͔࣮ߦ࣌՝ۚ • ී௨ʹNode.jsͰ։ൃ͍ͯ͠Δͷʹͳ͔ͥϝϯςφϯ εϑϦʔ • Naked domainͷSSLɺϦʔδϣϯʹΑΔϨΠςϯγɺ ϩοΫΠϯ……͖ͬ͞·Ͱͷશ෦ͷ՝୊͕ղফ
50. ཉ͔ͬͨ͠΋ͷશ෦ೖΓ
51. aws-serverless-express͸ શͯΛղܾͯ͘͠ΕΔ
52. ͭΒ͞ͷ͓͞Β͍ • ͦ΋ͦ΋IaaS͸ϝϯς͕ͭΒ͍ • Heroku͸ϨΠςϯγ͕ͭΒ͍ • GAE/SEʹ͸ͳ͍ • FaaS͸ϩοΫΠϯ͕ͭΒ͍
53. ղܾͰ͖͍ͯΔ͔ • ϨΠςϯγ͸ͳ͍͔
 ->ϥϯλΠϜͷॳճىಈͷ஗͚ͩ͞ • ϚωʔδυPaaS Likeʹ࢖͑Δ͔
 ->࢖͑ͯ࠷ߴ • ಠࣗه๏͸ͳ͍͔
 ->શͯExpressͦͷ··
54. ղܾͰ͖͍ͯΔ͔ • εέʔϦϯά • ΊͪΌΊͪΌ͢Δ͠ٯʹਓ͕͍ͳ͍࣌͸͓͕͔͔ۚ Βͳ͍ͷͰͲͬͪͷҙຯͰ΋࠷ߴ • ӡ༻ίετ • جຊతʹFaaSͳͷͰօແɺূ໌ॻ΋ACM • API GW + ACM + Route53ʹͳΔͷͰNaked OK
55. ૉఢʂ
56. ࢖͍͍ͨʂ
57. ͸͡Ί͔ͨ
58. awslabs/aws-serverless-express ʹΞΫηε
59. ͓΋ΉΖʹexampleΛΫϦοΫ
60. Win/Mac/LinuxରԠͷςϯϓϨ
61. README͕ΊͬͪΌஸೡ
62. طଘϓϩδΣΫτͷҠߦ
63. yarn add aws-serverless-express
64. lambda.jsΛ࡞੒ const awsServerlessExpress = require('aws-serverless-express') const app = require('./app') const server = awsServerlessExpress.createServer(app) exports.handler = (event, context) => awsServerlessExpress.proxy(server, event, context)
65. Expressଆ(e.g. app.js)ʹ௥ه const serverlessExpress = require('aws-serverless-express/middleware') app.use(serverlessExpress.eventContext())
66. ͜ͷ··LambdaʹσϓϩΠͰ OK
67. ·ͱΊ
68. aws-serverless-express • LambdaͰExpressΛಈ͔͢ϥΠϒϥϦ • Expressϛυϧ΢ΣΞͱͯ͠։ൃ͞Ε͓ͯΓɺ طଘϓϩδΣΫτ΁ͷಋೖ΋Մೳ • Expressͷ͔͖৺஍ͰLambdaͷPros/ConsΛ Ҿ͖ܧ͙ΞϓϦέʔγϣϯΛ࡞Δ͜ͱ͕Մೳ
69. Α͞ • ݱঢ়ͷPaaSࣄ৘Ͱ͸ຬͨͤͳ͍ཁ݅ΛຬͨͤΔ • ௿ϨΠςϯγ • ࣮ߦ࣌ؒ՝͔ۚͭΦʔτεέʔϦϯά • Node.js؀ڥ͕ಈ͘ • Naked domainͷSSLରԠ • ͷશ෦ೖΓ؀ڥ
70. ͸͡ΊΔʹ͸ • ެࣜϨϙδτϦͷexample͕ϘΠϥʔϓϨʔ τͳͷͰͦͷ··࢖͑Δ • طଘϓϩδΣΫτ΁ͷಋೖ΋READMEʹ͋Δ ͱ͓ΓʹmiddlewareΛ௥Ճ͢Δ͚ͩ
71. ࢖͓͏
72. ͓ΘΓʹ
74. GAE/SE for Node དྷΔ΍Μ͚ʂ
75. એ఻
78. ご清聴ありがとうございま し . た　　　 .