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ίʔυͷࣗಈमਖ਼ʹΑ࣮ͬͯݱ͢Δ ػೳ։ൃΛࢭΊͳ͍ϑϨʔϜϫʔΫҠߦ άϦʔϥΠϑελΠϧגࣜձࣾ ໦ଜ༸ଠ

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໦ଜ༸ଠ ˔ॴଐ ˓ άϦʔϥΠϑελΠϧגࣜձࣾ ϓϩμΫτ։ൃ෦ ϝσΟΞ։ൃ άϧʔϓ ΤϯδχΞϦϯάνʔϜ ˔ܦྺ ˓ ೥ άϦʔϥΠϑελΠϧגࣜձࣾ ೖࣾ ˓ ओʹʮ-*.*"ʯͷαʔόʔɾΠϯϑϥ։ൃ ࣗݾ঺հ 2 2

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LIMIAを知っていますか? ⓘ Start presenting to display the poll results on this slide.

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͓खܰͰɺ͙͢ਅࣅͰ͖ΔͷʹɺͪΌΜͱ฻Β͠΍͍͢ɻ -*.*"͸Ոࣄͷ޻෉͕େू߹͢ΔϥΠϑελΠϧϝσΟΞͰ͢ɻ ͓खܰ޻෉ͰՈࣄ্ख -*.*"ͷ঺հ

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˔Ҡߦલ ˓ ϑϨʔϜϫʔΫ ˙ 'VFM1)1 ˓ ݴޠ ˙ 1)1 ˓ Πϯϑϥ ˙ &$ ˔Ҡߦޙ ˓ ϑϨʔϜϫʔΫ ˙ -BSBWFM ˓ ݴޠ ˙ 1)1 ˓ Πϯϑϥ ˙ &$4'BSHBUF 5 ϑϨʔϜϫʔΫҠߦϓϩδΣΫτ https://aws.amazon.com/jp/architecture/icons/

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6 ҠߦϓϩδΣΫτͷεέδϡʔϧ ˔ػೳ։ൃΛࢭΊͣʹҠߦͯ͠ཉ͍͠ͱ͍͏ཁ๬ ˔Ҡߦʹ͔͚ΒΕΔ޻਺͸ݶΒΕ͍ͯͨ ˓ ฒߦ։ൃظ͕ؒ௕ͦ͏ͳݟࠐΈͩͬͨ 方針 検討 コード自動修正ルールの作成 QA・バグ修正 インフラ検証 ݄ ݄ ݄ ݄ ݄ ࣮ࡍͷҠߦεέδϡʔϧ 社内管理ツール リリース カナリヤ リリース開始 0.5人 1人 2人

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7 ͳͥࣗಈमਖ਼ʹ౿Έ੾͔ͬͨʁ ˔ܰྔͳ'VFM1)1ػೳͷଟ͍-BSBWFM΁ͷҠߦ ˓ %# 2VFSZ#VJMEFS $POUSPMMFS͋ͨΓΛஔ͖׵͑Ε͹ྑͦ͞͏ ˓ 7JFXपΓ͸ςϯϓϨʔτΤϯδϯΛஔ͖׵͑Δ͚ͩͰྑͦ͞͏ ˔खಈमਖ਼ͷݫ͠͞ ˓ ສߦ௒͑ͷίʔυϕʔε ˓ ਓ΍͕࣌ؒ଍Γͳ͍ ˓ ػೳ։ൃΛฒߦͰߦ͍͍͕ͨʜʜ ˙ ҠߦݩͱҠߦޙͷίʔυͷ྆ํΛมߋ͢Δඞཁ͕͋Δ ˙ ҠߦޙͷίʔυʹมߋΛՃ͑ΔͱDPOGMJDU͕ى͜ΓಘΔ ˙ ػೳ։ൃΛࢭΊΔ͔͠ͳ͍͕ɺࢭΊͨ৔߹͸൒೥ۙ͘ػೳ։ൃ͕ਐ·ͳ͍͜ͱ ͕ݟࠐ·Εͨ

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8 3FDUPS SFDUPSQIQSFDUPS ˔ࣗಈϦϑΝΫλϦϯάɾϚΠάϨʔγϣϯπʔϧ ˓ %FBE$PEF &BSMZ3FUVSOͳͲͷϦϑΝΫλϦϯάϧʔϧ ˓ 1)1όʔδϣϯͷVQHSBEF EPXOHSBEF ˔ಛ௃ ˓ OJLJDQIQBTU Λϕʔεʹந৅ߏจ໦ʢ"45ʣΛฤू ˓ ܕ৘ใΛ1)14UBO͔ΒऔಘͰ͖Δ ˓ ςετ͕ॻ͖΍͍͢ ˓ ։ൃ͕׆ൃ

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9 ϑϨʔϜϫʔΫҠߦʹ͓͚Δίʔυͷमਖ਼ྫ ˔2VFSZ#VJMEFSͷஔ͖׵͑ ˓ XIFSF DPM JO C XIFSF*O B C ˓ XIFSF DPM  TVC2VFSZ XIFSF4VC DPM TVC2VFSZ ˓ %#TFMFDU@BSSBZ <JE OBNF> %#TFMFDU JE OBNF ˔$POUSPMMFSͷஔ͖׵͑ ˓ *OQVU 3FRVFTU 3FTQPOTFͳͲΛରԠ͢Δϝιουʹஔ͖׵͑ ˓ $POUSPMMFSΛQTS४ڌʹSFOBNF ˓ QTSͷOBNFTQBDFʹ߹ΘͤͨσΟϨΫτϦ΁Ҡಈ

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10 3FDUPSͷม׵ྫ&BSMZ3FUVSO $IBOHF/FTUFE*GT5P&BSMZ3FUVSO3FDUPS public function hoge($value) { if ($value % 2 === 0) { if ($value % 3 === 0) { return 'yes'; } } return 'no'; } public function hoge($value) if ($value % 2 !== 0) { return 'no'; } if ($value % 3 === 0) { return yes; } return 'no'; }

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11 ந৅ߏจ໦ "CTUSBDU4ZOUBY5SFF"45 https://github.com/nikic/PHP-Parser

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12 3FDUPSͷॲཧʢந৅ߏจ໦ͷฤूʣ public function getNodeTypes(): array { return [String_::class]; } public function refactor($node): ?Node { if ($node->value === "Hello World!") { $node->value = "Hello GREE Tech Conf!"; return $node; } return null; } Scalar_String value: Hello GREE Tech Conf! Stmt_Expression expr Expression_Assign var, expr Expression_Variable name: var expr var Scalar_String value: Hello World! Scalar_String value: Hello World!

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13 3FDUPSͷॲཧʢந৅ߏจ໦͔Βίʔυͷߏஙʣ Scalar_String value: Hello GREE Tech Conf!

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14 ࣮ࡍͷίʔυࣗಈमਖ਼ͷྫ 'VFM1)1 ¥DB::select_array(['id', 'name'])->from('user'); -BSBWFM ¥DB::table('user')->select('id', 'name')

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15 ࣮ࡍͷ3FDUPSϧʔϧTFMFDUGSPNΛUBCMFTFMFDU ¥DB::select_array(['id', 'name'])->from('user'); ¥DB::table('user')->select_array(['id', 'name']); TFMFDUGSPNΛUBCMFTFMFDUʹมߋ

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16 ࣮ࡍͷ3FDUPSϧʔϧTFMFDU@BSSBZΛTFMFDU ¥DB::table('user')->select('id', 'name'); ¥DB::select_array(['id', 'name'])->from('user'); ¥DB::table('user')->select_array(['id', 'name']); TFMFDUGSPNΛUBCMFTFMFDUʹมߋ TFMFDU@BSSBZͷҾ਺Λల։

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作成したRectorのルール数 ⓘ Start presenting to display the poll results on this slide.

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18 ౴͑

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19 ͳͥࣗಈमਖ਼ʹ౿Έ੾͔ͬͨʁʢ࠶ܝʣ ˔ܰྔͳ'VFM1)1ػೳͷଟ͍-BSBWFM΁ͷҠߦ ˓ %# 2VFSZ#VJMEFS $POUSPMMFS͋ͨΓΛஔ͖׵͑Ε͹ྑͦ͞͏ ˓ 7JFXपΓ͸ςϯϓϨʔτΤϯδϯΛஔ͖׵͑Δ͚ͩͰྑͦ͞͏ ˔खಈमਖ਼ͷݫ͠͞ ˓ ສߦ௒͑ͷίʔυϕʔε ˓ ਓ΍͕࣌ؒ଍Γͳ͍ ˓ ػೳ։ൃΛฒߦͰߦ͍͍͕ͨʜʜ ˙ ҠߦݩͱҠߦޙͷίʔυͷ྆ํΛมߋ͢Δඞཁ͕͋Δ ˙ ҠߦޙͷίʔυʹมߋΛՃ͑ΔͱDPOGMJDU͕ى͜ΓಘΔ ˙ ػೳ։ൃΛࢭΊΔ͔͠ͳ͍͕ɺࢭΊͨ৔߹͸൒೥ۙ͘ػೳ։ൃ͕ਐ·ͳ͍͜ͱ ͕ݟࠐ·Εͨ

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20 ίʔυͷࣗಈमਖ਼ʹΑΔػೳ։ൃͱҠߦͷฒߦ։ൃ ։ൃϒϥϯν ˓ ػೳ։ൃɺόάमਖ਼ ˓ 1)1ʹ൐͏ίʔυमਖ਼ Ҡߦ༻ϒϥϯν ˓ 3FDUPSͷϧʔϧͷ࡞੒ ˓ -BSBWFMؔ࿈ϑΝΠϧͷ௥Ճ ࠓ·Ͱ௨ΓͷϑϩʔͰ 2"ɾϦϦʔε $*ʹΑΔ ࣗಈमਖ਼ Ҡߦ؀ڥͰͷςετ ΞϓϦέʔγϣϯͷίʔυ͸ Ҡߦ༻ϒϥϯνͰ͸ฤू͠ͳ͍

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21 ͲΕ͘Β͍ࣗಈमਖ਼ͰҠߦͰ͖͔ͨ ˔1)1ϑΝΠϧ͸ϑΝΠϧ͘Β͍ ˔มߋྔ ˔खಈͰҠߦͨ͠ϑΝΠϧʢʙϑΝΠϧʣ ˓ ೝূपΓ ˓ ϧʔςΟϯά ˓ 'PSNBUUFS "HFOUͳͲ'VFM1)1ʹ͔͠ͳ͍ػೳ

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22 ίʔυͷࣗಈमਖ਼Λ΍Δ্Ͱʜʜ ˔ςετ ˓ ͋Δͱͱͯ΋ྑ͍ ˓ -*.*"Ͱ͸ςετ͸͋·Γಈ͍͍ͯͳ͔ͬͨ ˔3FDUPSϧʔϧͷςετ ˓ ϧʔϧʹΑΔม׵Λ͋Δఔ౓อূͰ͖Δ ˓ 3FDUPS͸CSFBLJOHDIBOHF͕ଟ͍ͷͰ݁ߏ໾ʹཱͬͨ ˔੩తղੳπʔϧ ˓ 1)14UBOͷಋೖ ˙ Ұ൪໾ʹͨͬͨ ˙ ػೳ։ൃͷํͷόά΋ݕग़ͯ͘͠Εͨ

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23 ࣗಈमਖ਼Ͱۤ࿑ͨ͜͠ͱ ˔Ͳ͏ͯ͠΋ࣗಈमਖ਼͕೉ͦ͠͏ͳίʔυ ˓ ΊͪΌͪ͘Όෳࡶͳ2VFSZ#VJMEFS ˓ ࢓༷͔ΒΑ͘Θ͔Βͳ͍ίʔυ ݩͷίʔυଆΛ3FDUPSͰม׵Ͱ͖ΔϦϑΝΫλϦϯάͨ͠ ͦ΋ͦ΋͍Βͳ͍ίʔυ͕ଟ͔ͬͨͷͰফ͠·ͬͨ͘ʢ໿ສߦʣ ˔πʔϧଆͷόά ˓ ਖ਼ͦ͠͏ͳͷʹಈ͔ͳ͍ͱࢥͬͨΒόʔδϣϯΛม͑Δͱಈ͍ͨΓ ˓ 3FDUPSͷ$BDIF͕յΕ͍ͯΔ 044ͳΜ͔ͩΒࣗ෼Ͱ௚͢ʂʂ

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24 ࣗಈमਖ਼ʹΑΔҠߦ·ͱΊ ˔ྑ͔ͬͨ͜ͱ ˓ ෺ྔʹର߅Ͱ͖Δ ˓ ώϡʔϚϯΤϥʔΛݮΒͤΔ ˓ ৽ن௥Ճ͞ΕͨϑΝΠϧ΋ࣗಈͰҠߦ͞ΕΔ ˓ ػೳ։ൃͱDPOqJDU͢Δ͜ͱ͕ͳ͍ ˔ѱ͔ͬͨ͜ͱ ˓ -BSBWFMͷػೳΛϑϧʹ࢖͑ͳ͍ ˓ ந৅ߏจ໦ͷਂ͍஌ࣝͳͲ͕ඞཁͰଐਓԽ͠΍͍͢

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25 ҠߦϓϩδΣΫτΛऴ͑ͯ ˔ࣗಈमਖ਼Λܾஅͯ͠ྑ͔ͬͨ ˔3FDUPSͱ͍͏πʔϧʹग़ձ͑ͯྑ͔ͬͨ ˓ 1)11)1Ͱ΋׆༂ͦ͠͏ʂ ˓ ϦϑΝΫλϦϯάπʔϧͱͯ͠$*ʹೖΕ͍ͨ ˔ΠϯϑϥͷҠߦ΋ָ͔ͬͨ͠ ˓ 71$5SBGGJD.JSSPSJOHʹΑΔෛՙςετ ˓ &$ͱ'BSHBUFͰͷΧφϦϠϦϦʔεΛߦ͏ͨΊͷ޻෉ ˓ $*$%΋େ෯ʹվળ ˓ ΤϯδχΞϒϩάॻ͖͍ͨͱࢥ͍ͬͯ·͢ʜʜ

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