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Read the release note of Rails 5.2

Read the release note of Rails 5.2

Kento Nagata

March 28, 2018
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  1. 2017.7.19 | ©2017 Wantedly, Inc.
    Read the release note of Rails 5.2
    Rails 5.2ͷϦϦʔεϊʔτΛಡΜͰݟΔ
    2018/03/28
    @ngtk

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  2. 2017.7.19 | ©2017 Wantedly, Inc.
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    ઌिRails 5.2 RC2Ͱ·ͨ͠ΑͶ
    ิ଍͢Δݴ༿
    Read the release note of Rails 5.2

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  3. 2017.7.19 | ©2017 Wantedly, Inc.
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    ಉ࣌ʹRelease Note΋ͰͨΑ͏ͳͷͰ

    ΈͯΈΑ͏ͱࢥ͍·ͨ͠
    Read the release note of Rails 5.2

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  4. 2017.7.19 | ©2017 Wantedly, Inc.
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    - Major Features
    - Active Storage
    - Redis Cache Store
    - HTTP/2 Early Hints
    - Credentials
    - Content Security Policy


    - Changes on each
    modules
    - Action Pack
    - Action View
    - Action Mailer
    - Active Record
    - Active Model
    - Active Support
    - Active Job
    Release note contents

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  5. 2017.7.19 | ©2017 Wantedly, Inc.
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    - Paperclip΍CarrierwaveͳͲͷ୅ସ͑
    - Amazon S3, Google Cloud Storage, Microsoft Azure
    Blob StorageΛόοΫΤϯυͱͯ͠ରԠ
    - μΠϨΫτΞοϓϩʔυ΋ରԠ
    - ײ૝: ࠓ͔Βஔ͖׵͑ΔఔͷϝϦοτ͸ͳͦ͞͏ͱ͍͏
    ҹ৅
    Active Storage

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  6. 2017.7.19 | ©2017 Wantedly, Inc.
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    - ࠓ·Ͱ͸Ωϟογϡػߏͱͯ͠ɺϝϞϦ΍ϩʔΧϧετ
    ϨʔδɺMemcachedΛඪ४Ͱఏڙ
    - redis-railsͱ͍͏gem͕͕͋ͬͨɺඪ४ͰରԠͨ͠
    - hiredis(cͷ࣮૷)ʹ΋ରԠ
    - ײ૝: ඞཁͳ΋ͷ͕ͪΌΜͱऔΓࠐ·Εͨײ͋ͬͯྑ͍
    Redis cache store

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  7. 2017.7.19 | ©2017 Wantedly, Inc.
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    - H2 Push͸ɺ༧ΊඞཁͳαϒϦιʔεΛฦ͓ͯͨ͘͠Ί
    ͷ࢓૊Έ
    - Reverse Proxy͕͋ͬͯOrigin͕H2Λ࿩ͤͳ͍৔߹ɺ
    H2 Push͸࢖͑ͳ͍
    - Early Hints͸ɺOrigin(H1.1)͕Reverse Proxy(H2)ʹα
    ϒϦιʔεΛ఻͑ΔͨΊͷ࢓༷
    HTTP/2 Early Hints

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  8. 2017.7.19 | ©2017 Wantedly, Inc.
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    - RailsͰ͸ྫ͑͹`javascript_include_tag`΍
    `stylesheet_link_tag`ʹؚ·ΕͨϦιʔεΛ͕Μ͕Μ
    103 Early HintsͰฦ͍ͯ͘͠
    - ࠓͷͱ͜ΖpumaͷΈରԠ
    - ײ૝: pumaΛ࢖͍ͬͯΕ͹ҙ֎ͱγϡοͱԸܙΛड͚Ε
    ͦ͏ʁ
    HTTP/2 Early Hints

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  9. 2017.7.19 | ©2017 Wantedly, Inc.
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    - credentials.yml.encͰ҉߸Խ͞ΕͨΩʔΛ؅ཧ͢Δ
    - 5.1Ͱಋೖ͞ΕͨEncrypted secrets͸ɺͳ͔ͬͨ͜ͱʹ
    ͳΓͦ͏
    - 伴͸RAILS_MASTER_KEYͰ؅ཧ
    Credentials

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  10. 2017.7.19 | ©2017 Wantedly, Inc.
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    - ENVͰ੾Γସ͑Δͱ͔͸ߟ͑ΒΕ͍ͯͳ͍
    - ͭ·Γɺdevelopmentͱstagingͱ͔ͷ͜ͱ͸ߟྀ͞Ε
    ͍ͯͳ͍Ά͍
    - ͨͩ͠ɺࣗ෼ͰͦΕΒͷػߏΛ࡞Ε͹͍͚Δ͔΋ʁ
    - https://github.com/rails/rails/pull/
    30067#issuecomment-372760099
    Credentials

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  11. 2017.7.19 | ©2017 Wantedly, Inc.
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    - ײ૝
    - ͳΜͰ͜͏ͳͬͨײ͕͍͢͝
    - ͋·Γඪ४ͷ࢓૊ΈʹཔΒͳ͍΄͏͕ྑͦ͞͏
    - ͜ͷล͸ଞͷϓϩδΣΫτͰͲ͏΍͍ͬͯΔͷ͔͕ؾ
    ʹͳΔ
    Credentials

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  12. 2017.7.19 | ©2017 Wantedly, Inc.
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    - XSS΍ύέοτ౪ௌͳͲͷ߈ܸΛ๷͙ͨΊͷηΩϡϦ
    ςΟϨΠϠʔ
    - ίϯςϯπ͕औಘՄೳͳυϝΠϯΛઃఆ͢Δ͜ͱͰҙਤ
    ͠ͳ͍ίϯςϯπͷऔಘ΍࣮ߦΛ๷͙
    - secureheadersͱ͍͏Gem͕͕͋ͬͨɺඪ४ͰରԠ
    Content Security Policy (CSP)

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    - InitializerͰઃఆΛॻ͖·͢
    - ίϯτϩʔϥʔ͝ͱʹ΋ઃఆΛఆٛ͢Δ͜ͱ͕Ͱ͖·͢
    Content Security Policy (CSP)

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    - ײ૝
    - ͪΌΜͱ׆༻͍ͨ͠
    - ಋೖ͸ɺϩΪϯάΛͯ͠໰୊ΛݟΔ͚ΔϑΣʔζ͕͋
    Δ͸ͣͳͷͰɺͦͷ΁Μͷϊ΢ϋ΢΍ӡ༻ʹ͍ͭͯڞ
    ༗͍ͨ͠
    Content Security Policy (CSP)

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  15. 2017.7.19 | ©2017 Wantedly, Inc.
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    - Bootsnap͸։ൃ؀ڥͰͷRailsىಈ࣌ؒΛૣ͘͢ΔGem
    - σϑΥϧτͰGemfileʹ௥Ճ͞ΕΔΑ͏ʹͳͬͨ
    Railties / Bootsnap

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  16. 2017.7.19 | ©2017 Wantedly, Inc.
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    - Bootsnap͸ҎԼͷํ๏Ͱૣ͍ͯ͘͠Δ
    - require΍loadͷ݁ՌΛΩϟογϡ
    - RubyVM::InstructionSequeΛ࢖ͬͯrubyͷίʔυΛόΠφϦ
    σʔλԽͯ͠Ωϟογϡ
    - YAMLϑΝΠϧΛMessagePack(·ͨ͸Marshal)ͷܗࣜͰΩϟο
    γϡ
    Railties / Bootsnap

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  17. 2017.7.19 | ©2017 Wantedly, Inc.
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    - ײ૝
    - WantedlyͰ΋ࡢ೥ಋೖͯ͠70%ىಈ͕ૣ͘
    ͳͬͨͷͰ͓͢͢Ί
    Railties / Bootsnap

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  18. 2017.7.19 | ©2017 Wantedly, Inc.
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    - database.ymlͰYamlͷܧঝΛ࢖Θͣʹ஋Λڞ༗
    Ͱ͖ΔsharedηΫγϣϯΛ௥Ճ #28896
    - .ruby-version΍GemfileͰͷόʔδϣϯࢦఆͳ
    Ͳ͕σϑΥϧτͰߦΘΕΔΑ͏ʹͳͬͨɻ
    #30016
    Railties / Others

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  19. 2017.7.19 | ©2017 Wantedly, Inc.
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    - database.ymlͰYamlͷܧঝΛ࢖Θͣʹ஋Λڞ༗
    Ͱ͖ΔsharedηΫγϣϯΛ௥Ճ #28896
    - .ruby-version΍GemfileͰͷόʔδϣϯࢦఆͳ
    Ͳ͕σϑΥϧτͰߦΘΕΔΑ͏ʹͳͬͨɻ
    #30016
    Railties / Others

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    - ΩϟογϡΩʔʹόʔδϣϯΛؚΊΔͷͰ͸ͳ
    ͘ɺΦϒδΣΫτΛ໊ࣔ͢લ͚ͩͱͯ͠ɺෆ༻
    ҙʹແବͳΩϟογϡΛੜ੒͢Δ͜ͱΛ๷͙Α
    ͏ʹͳͬͨ
    Action Pack / Recyclable cache keys

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  21. 2017.7.19 | ©2017 Wantedly, Inc.
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    - ͨͱ͑͹ɺ`projects/1-20170202145500`ΛΩʔʹ͢ΔͷͰ͸ͳ
    ͘ɺΩʔΛΦϒδΣΫτ໊ͷ`projects/1`ͱͯ͠όʔδϣϯ
    `20170202145500`Λσʔλதʹอ࣋͢Δ
    - HTTPͷΩϟογϡͰͷɺURLͱETAGͱಉ͡Α͏ͳ΍Γํ
    Action Pack / Recyclable cache keys

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  22. 2017.7.19 | ©2017 Wantedly, Inc.
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    - ׂѪ
    Action View

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  23. 2017.7.19 | ©2017 Wantedly, Inc.
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    - ActiveJobͷ೚ҙΫϥε͕ࢦఆͰ͖ΔΑ͏ʹͳͬͨ #29457
    - ActionMailer͸͢΂ͯActionMailer::DeliveryJobΛར༻͍ͯ͠Δ
    - ΤϥʔϋϯυϦϯάͳͲ೚ҙͷରԠ͍ͨ͠έʔεͰ׆༻Ͱ͖ͦ͏
    Action Mailer

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  24. 2017.7.19 | ©2017 Wantedly, Inc.
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    - [MySQL] descending indexΛαϙʔτ
    - Fixtureͷ౤ೖ࣌ʹͰBluk insert͢ΔΑ͏ʹͳͬͨ
    - ΫΤϦ͕ൃߦ͞ΕͨίʔυΛϩάͰग़ྗͰ͖ΔΑ͏ʹͳͬͨ
    Active Record
    3VCZHFN-PBE NT
    4&-&$5SVCZHFNT'30.SVCZHFNT8)&
    ↳BQQWJFXTOFXT@WFSTJPOIUNMFSCJO

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  25. 2017.7.19 | ©2017 Wantedly, Inc.
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    * ྫ֎`StatementTimeout`ͱ`LockWaitTimeout`ͱ`QueryCanceled`
    ͷ௥Ճ
    * `StatementTimeout`: λΠϜΞ΢τɺMySQLͱPostgresʹରԠ
    * `LockWaitTimeout`: ϩοΫͷλΠϜΞ΢τ
    * `QueryCanceled`: MySQLͷΈରԠɻPostgres͸
    `StatementTimeout`ʹ·ͱΊΒΕΔ
    Active Record

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  26. 2017.7.19 | ©2017 Wantedly, Inc.
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    * destroyͨ͠ޙͷsaveͰ஋ΛมߋͰ͖ͳ͍Α͏ʹͳͬͨ
    * [Postgres] ֎෦ςʔϒϧͷαϙʔτ
    Active Record

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  27. 2017.7.19 | ©2017 Wantedly, Inc.
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    • ׂѪ
    Active Model

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  28. 2017.7.19 | ©2017 Wantedly, Inc.
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    • ׂѪ
    Active Support

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  29. 2017.7.19 | ©2017 Wantedly, Inc.
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    • ׂѪ
    Active Job

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    • Redis cache store΍Early hintsͳͲ͸͙͢ʹ׆༻Ͱ͖ͦ͏
    • CSP͸ಋೖ͕࣌େมͦ͏͕ͩɺʮඪ४ͰରԠͰ͖Δରࡦʯ͕૿͑ͨ
    ͷ͸ͱͯ΋ྑ͍
    • Ωϟογϡͷόʔδϣχϯά΋׆༻Ͱ͖ͦ͏
    • BootsnapͰͷߴ଎Խ΍ActiveRecordͰͷ৽ػೳ͸೔ৗͰ׆༻Ͱ͖
    ͦ͏ͳ΋ͷ͕ଟ͍
    ·ͱΊ

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