DojoCon Japan 2018 基調講演
%PKP$POͷεεϝ ʹ ̍ճ z 4 BZ )FM M P z ͠ Α͏$PEFS%PKPٶɾകాνϟϯϐΦϯ Ұൠࣾஂ๏ਓ$PEFS%PKP+BQBOઃཱ࣌ࣾһೝఆ/10๏ਓๅ௩/10ηϯλʔཧࣄ/10๏ਓ4&*/ཧࣄͻΐ͏͝ࢢຽ׆ಈڠٞձ෭ӡӦҕһ%PKP$PO+BQBO ࣮ߦҕһࡉ୩ɹਸ
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ϑϦʔϥϯεͰ /10Ҭஂମͷ 8੍࡞*5αϙʔτڊਓͷݞʹͷΔࣄͷελΠϧࣗݾհ
݄ ։࢝$PEFS%PKPٶ!ެຽؗ
$PEFS%PKPകా݄ ։࢝!αΠϘζגࣜձࣾେࡕΦϑΟε
$PEFS%PKPകా݄ ։࢝!͘͞ΒΠϯλʔωοτגࣜձࣾେࡕຊࣾ
࿈ଓ࣮ߦҕһ
*—(6*//&44
*—*SFMBOE%PKP$PO!μϯɾϨΞϦʔ $PPMFTU1SPKFDUT$PPMFTU1SPKFDUT
%PKP$PO+BQBO
%PKP$POνϟϯϐΦϯɺϝϯλʔɺ$PEFS%PKPͷ׆ಈʹؔΘ͍ͬͯΔ͔ؔ৺ͷ͋Δ େਓͨͪͷެࣜͷ$PEFS%PKPΧϯϑΝϨϯεͰ͢ɻ%PKP$POϝϯλʔୡʹ$PEFS%PKPΛ௨ͯ͡ɺ࣍ੈͷίʔμʔʹ͍ͭͯͷൃݟֶͼΛγΣΞ͢ΔػձΛఏڙ͢Δ͜ͱͰ$PEFS%PKPίϛϡχςΟʔͷΛங͘͜ͱΛࢦ͍ͯ͠·͢ɻ$PEFS%PKPͷཧ೦ʹԊͬͯɺΠϕϯτແྉͰɺڭҭ͓Αͼσδλϧٕज़ͷ࣮ऀͷجௐߨԋηϛφʔΛ։࠵͠·͢ɻ"CPVU%PKP$PO
ᶅᶆᶄᶇᶉᶃᶈࠓͷ݄ʹճͷ%PKP$PO͕։࠵͞ΕΔϓϩϙʔβϧܗࣜ
%PKP$PO+BQBO\ςʔϚ^5)&.03&%0+045)&.03&$00-$0%&34εϙϯαʔඅ༻ɿ ԁࢀՃऀɿ໊࣮ߦҕһɿ໊
݄ͷ։࠵ޙ͔Β ݄·Ͱʹͷ%PKPઃཱ$PEFS%PKPͷ৽ن։ઃ
݄ͷ։࠵ޙ͔Β ݄·Ͱʹͷ%PKPઃཱ$PEFS%PKPͷ৽ن։ઃ ̍ޙʹΛ͑Δ
$PEFS%PKPࡒஂͷ ຊ୲3PTTΛຊ
%PKP$PO+BQBO\ςʔϚ^ͭͳ͕Δ%PKPUP%PKPεϙϯαʔඅ༻ɿ ԁࢀՃऀɿ໊࣮ߦҕһɿ໊
ւಓʙԭೄΞΠϧϥϯυ υόΠ ΦʔετϥϦΞͭͳ͕Εͨ
εϙϯαʔඅ༻૿0625,0001,250,0001,875,0002,500,000 εϙϯαʔͱͯؔ͠Θͬͯ͘ΕΔاۀ͕
ࢀՃऀ075150225300 ૿શࠃ͔ΒࢀՃ͢Δ$PEFS%PKPؔऀ͕
࣮ߦҕһ010.52131.542 ૿$PEFS%PKPΛΓ্͛Α͏ͱࢥͬͯ͘Ε͍ͯΔ $PEFS%PKPؔऀ͕
ͳͥ%PKP$POΛ࢝Ίͨͷ͔ʁ
Ұ͕࣮ࣗߦҕһͷΠϕϯτΛ։࠵ͯ͠Έ͔ͨͬͨݸਓతͳཧ༝νϟϨϯδ
άϩʔόϧͳΠϕϯτΛຊͰ։࠵͔ͨͬͨ͠ݸਓతͳཧ༝άϩʔόϧ
ݸਓతͳཧ༝ؒ$PEFS%PKPͷҿΈؒͱҰॹʹԿ͔͔ͨͬͨ͠
։࠵ͯ͠Έͯ
։࠵ͯ͠ΈͯΊͬͪΌେม
։࠵ͯ͠ΈͯΊͬͪΌେมͰɺֶੜͷ࣌ͷจԽࡇͷ४උͷ࣌ͷΑ͏ʹָ͔ͬͨ͘͢͝͠
·ͨ৽͍͕ؒ͠Ͱ͖ͨ౦ژ͔ΒҿΈձʹࢀՃͯ͘͠ΕΔํʂ%PKP$PO+BQBOΛҰੜݒ໋ͬͨΒ
౦ژͰҿΜͰ͘ΕΔ༑ୡͰ͖ͨ%PKP$PO+BQBOΛҰੜݒ໋ͬͨΒ
$PEFS%PKP'PVOEBUJPOϝϯόʔͱ༑ୡʹͳΕͨΞΠϧϥϯυʹ͍Δͱ͖ɺ$PEFS%PKP'PVOEBUJPOͷصͰࣗͷࣄΛͯ͠·ͨ͠%PKP$PO+BQBOΛҰੜݒ໋ͬͨΒ
ΞΠϧϥϯυࡏॅͷ༑͕Ͱ͖͕ͨΞΠϧϥϯυࡏ͍ͯͨ͠શఔҰॹʹҿΈ໌͔ͨ͠%PKP$PO+BQBOΛҰੜݒ໋ͬͨΒ
ւ֎ͷಌΕ͕ɺݱ࣮ʹͳ͖ͬͯͨ؟ͷલͷੈք͕Ұؾʹ͕ͬͨ%PKP$PO+BQBOΛҰੜݒ໋ͬͨΒ
શࠃنͷίϛϡχςΟతͳཧ༝QIPUPCZ4FBO04IBVHIOFTTZେ͖͍ͯ͘͠ΔίϛϡχςΟճू·͍ͬͯΔઆ8PSE$BNQ3VCZ,BJHJ1)1ΧϯϑΝϨϯε+"84φϨοδͷγΣΞࢤ͕ಉؒ͡ΛूΊΑ͏
શࠃنͷίϛϡχςΟతͳཧ༝ςΩετͷΈͷίϛϡχέʔγϣϯͷݶք ಉ͡ݴ༿ͰͦͷਓͱͷؔੑͰड͚औΓํ͕มΘΔʢʣ ਅ໘ͳݴ༿ͳͷ͔ɺஊަ͡Γͷݴ༿ͳͷ͔ʁ ΦϑϥΠϯͰձ͏͜ͱͰɺΦϯϥΠϯͷΓऔΓָ͕ʹͳΔʁ
શࠃنͷίϛϡχςΟతͳཧ༝৽͘͠$PEFS%PKPΛ։ઃ͞ΕͨํࢀՃ͍͢͠Α͏ʹΦϯϥΠϯίϛϡχέʔγϣϯ͚ͩͩͱ৽͘͠$PEFS%PKPΛ։ઃ͞Εͨํίϝϯτͮ͠Β͍ͷͰʁ
શࠃنͷίϛϡχςΟతͳཧ༝݄ʙ݄ͷؒʹ ৽͘͠ग़དྷͨ$PEFS%PKPͷʁ
શࠃنͷίϛϡχςΟతͳཧ༝ Ѩഒ ۙـ ਆށ ۙـ ҆ த෦ ࡚ भ ཱ ؔ౦ ޚϊਫ ؔ౦ جࢁ भ ା ؔ౦ ṗ ۙـദপೆ ؔ౦ށ෦ ؔ౦৽ൃా த෦ࡾڷ ۙـࡾౡɾপ த෦Ӌ ؔ౦ௗऔ தࠃࢁ தࠃߕ൹ཽԦ த෦େ౦ ۙـ߳ भอϲ୩ ؔ౦ח ؔ౦૿ా ౦ް ؔ౦ޖ தࠃલߴా ౦भ भਐ த෦୶࿏ౡ ۙـҴ ؔ౦੩Ԭ ؔ౦നՏ ౦ෑ தࠃଟຎηϯλʔ ؔ౦יډʢؔ౦ʣͪ·ͨ ؔ౦ए༿एদ ؔ౦͏Δ· ԭೄݹՏ ؔ౦໌߳ ۙـాݪຊ ۙـ۽ຊ भؗྛ ؔ౦تଟํ ౦ݸ݄ʙ݄
શࠃنͷίϛϡχςΟతͳཧ༝શࠃʹ͕͖͍ͬͯͯΔؔ౦ۙـதࠃभ౦த෦ԭೄԭೄ
શࠃنͷίϛϡχςΟతͳཧ༝ؔ౦ۙـதࠃभ౦த෦ճ։࠵͞ΕΔ%PKP$POͰͭͳ͕Δ͜ͱ͕Ͱ͖ΔͱεςΩશࠃʹ͕͖͍ͬͯͯΔԭೄԭೄ
l4BZ)FMMP5IBOLZPVz ΦϯϥΠϯͰࢀߟʹͳͬͨճΛΒͬͨΓ 8αΠτΛ࡞͢Δ࣌ʹɺࢀߟʹͨ͠%PKPͷαΠτ͕͋ͬͨΓ %PKP࣮ࢪใࠂهࣄΛݟͯɺ%PKPӡӦͷࢀߟʹͨ͠ΒશࠃنͷίϛϡχςΟతͳཧ༝
l4BZ)FMMP5IBOLZPVz ΦϯϥΠϯͰࢀߟʹͳͬͨճΛΒͬͨΓ 8αΠτΛ࡞͢Δ࣌ʹɺࢀߟʹͨ͠%PKPͷαΠτ͕͋ͬͨΓ %PKP࣮ࢪใࠂهࣄΛݟͯɺ%PKPӡӦͷࢀߟʹͨ͠ΒશࠃنͷίϛϡχςΟతͳཧ༝໘ͱ͔ͬͯݴΘΕΔͱɺ·ͨؤுΖ͏ͱࢥ͍·͢ʢʣ
(0(-0#"-ϓϩάϥϛϯάίϯςετ
ࡾڮ༏ر͞Μ࠷༏ल͓ΊͰͱ͏ʂ
ͳͥίϯςετΛ։࠵͠Α͏ͱࢥͬͨͷ͔ʁ͍ͭϫΫϫΫͤͯ͞Β͍ͬͯΔࢠڙͨͪͷνϟϯϐΦϯɾϝϯλʔ͔ΒͷϓϨθϯτ
ͳͥίϯςετΛ։࠵͠Α͏ͱࢥͬͨͷ͔ʁීஈͷ%PKPͰࣗͷ༧Λ͑Δ࡞ΛݟͤͯΒ͍ͬͯΔ
ͳͥίϯςετΛ։࠵͠Α͏ͱࢥͬͨͷ͔ʁͦΕɺΤϯδχΞͰ͋Δࣗͷ׆ྗʹͭͳ͕͍ͬͯΔ
͔ͩΒɺͬͱάϩʔόϧʹ׆༂ͯ͠΄͍͠ւ֎ͷਓͱܨ͕ͬͯ΄͍͠ͳͥίϯςετΛ։࠵͠Α͏ͱࢥͬͨͷ͔ʁ
·ͱΊ
ਓਓ͔ΒֶͿଟ͘ͷਓͱग़ձ͓͏
7FOVFᶆᶇᶄᶈᶊᶃᶉ
ᶃେࡕా༸ߦେࡕϢϏΩλεڠ$"/7"4ԭೄ
ᶃᶄେࡕ໋ཱ͍ؗΒ͖ϑϡʔνϟʔϓϥβԭೄ
ᶃᶄᶅ౦ژαΠϘζגࣜձࣾ౦ژΦϑΟεԭೄ
དྷͲ͔͜Ͱ։࠵͞ΕΔ͜ͱͰຊશࠃͷ$PEFS%PKP͕େ͖ͳਓͱͭͳ͕Γ͍ͨ—
ᶃᶄᶅདྷ։࠵ʁདྷͲ͜։࠵ʁԭೄ
ᶃᶄᶅདྷ։࠵ʁདྷ։࠵ʁདྷͲ͜։࠵ʁԭೄ
ᶃᶄᶅདྷ։࠵ʁདྷ։࠵ʁདྷ։࠵ʁདྷͲ͜։࠵ʁԭೄ
ᶃᶄᶅདྷ։࠵ʁདྷ։࠵ʁདྷ։࠵ʁདྷ։࠵ʁདྷͲ͜։࠵ʁԭೄ
ᶃᶄᶅདྷ։࠵ʁདྷ։࠵ʁདྷ։࠵ʁ དྷ։࠵ʁདྷ։࠵ʁདྷͲ͜։࠵ʁԭೄ
ᶃᶄᶅདྷ։࠵ʁདྷ։࠵ʁདྷ։࠵ʁ དྷ։࠵ʁདྷ։࠵ʁདྷͲ͜։࠵ʁԭೄདྷ։࠵ʁ
ᶃᶄᶅ%PKP$PO+BQBOΛ௨ͯ͡શࠃ·ΘΓ͍ͨ—ԭೄ
͜ͷ͋ͱੋඇ4/4Λަ͠·͠ΐ͏!ULDGBDFCPPLDPNUBLBTIJIPTPZB5XJUUFS'BDFCPPL
tkc49
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awsjcpm
lovee
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shpigford
mongodb
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