『DevOpsDays Tokyo 2018』で講演した『To be or to do that is the question』の資料です
© 2018 Takashi TakebayashiTo be or to do that isthe questionMicrosoft MVP for Visual Studio and Development TechnologiesTakashi Takebayashi(a.k.a @changeworlds)changesworlds.comDevOpsDays Tokyo 2018
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© 2018 Takashi TakebayashiHi everyone,
© 2018 Takashi TakebayashiຊηογϣϯͰͷ༰ࢲͷաڈͷମݧɾܦݧʹجͮ͘ͷͰ͋Γɺࢲͷॴଐ͢Δ৫ͱҰؔ͋Γ·ͤΜɻ ·ͨɺຊηογϣϯʹπʔϧͷྨͷҰؚ·Ε͓ͯΓ·ͤΜɻDisclaimer
© 2018 Takashi TakebayashiຊηογϣϯͰɺӡసࢿ͕ۚރׇ͠ดళΛ༨ّͳ͘͞Εͨύϯͱҿ৯ళʹରͯ͠devopsͷจԽతͳࣄฑΛͲͷΑ͏ʹ࣮ફͨ͠ͷ͔ɺ·࣮ͨફͨ݁͠ՌͲͷΑ͏ʹͳͬͨͷ͔ʹ͍࣮ͭͯྫʹج͍ͯ͝հ͠·͢ɻຊηογϣϯͰ͓͢Δ͜ͱ
© 2018 Takashi Takebayashiൃ࣮ྫҙࣝͨ͜͠ͱAgenda
© 2018 Takashi Takebayashiൃ
© 2018 Takashi Takebayashiʮ͓લٕज़ϚωδϝϯτϏδωεԿ͔Βͳ͍Ϋζʯൃ
https://chatsticker.com/sticker/poputepipick-1
© 2018 Takashi Takebayashiػಈઓ࢜ΨϯμϜͷΞϜϩɾϨΠଞͷ୭ͤͳ͍δΦϯ܉ͷΤʔεΛ࣍ʑͱ͢υϥΰϯϘʔϧͷଙޛۭଞͷ୭ͤͳ͍ϐοίϩେຐԦɺϑϦʔβ…etcΛ͢৯ܷͷιʔϚͷฏ ਅेܼ(ڧఢ)͕͍ΔνΣʔϯళʹΑͬͯళ͕ܴ֗͑Δଞͷ୭ࢥ͍͔ͭͳ͍ྉཧͰళ֗Λ෮׆ͤ͞ΔޭɾධՁ͕͔Γқ͍ྫ
© 2018 Takashi TakebayashiϏϧɾήΠπWindows…etcͰੈͷதΛม͑ΔεςΟʔϒɾδϣϒζMac, iPod, iPhone…etcͰੈͷதΛม͑ΔͲ͏ͿͭλϫʔότϧͷYuta Yabuzakiݸਓ։ൃऀͷΞϓϦ͕େώοτޭɾධՁ͕͔Γқ͍ྫ
© 2018 Takashi TakebayashiαΠτͷϦχϡʔΞϧϓϩδΣΫτϦχϡʔΞϧલޙͷมߋϝϯόʔҰ໊৽نࢀըച্ɿ+1ԯ(+12%)རӹɿ+27% ͜ͷޭʹରͯ͠ ৽نࢀըϝϯόʔΛͲ͏ධՁ͢Δʁ͜ͱɺϓϩδΣΫτʹ͓͍ͯ…
© 2018 Takashi TakebayashiධՁͳΜͯ͞Εͳ͍
© 2018 Takashi TakebayashiධՁධՁऀͷ࣠ɺೝࣝͰ͖Δೳྗʹґଘ͢ΔͷͰཧղͰ͖ͳ͍ͷධՁͰ͖ͳ͍ҰํͰࣗݾධՁͱͯ͠ϚάϨͳͷ͔࣮ྗͳͷ͔Α͔͘Βͳ͍͔͜͜ΒΘ͔Δ͜ͱ
ͰͲ͏͢Δ͔ʁPhoto by Jacob Bøtter – Thinking RFID(2009) / CC BY 2.0
© 2018 Takashi TakebayashiޭΛ۪ʹ࠶ݱ͠ଓ͚Δ͔͠ͳ͍
© 2018 Takashi Takebayashiຊηογϣϯ͓͢Δͷʮޭʯ࣮ͨ͠ྫͰ͢ɻ͜ͷ࣮ྫɺdevopsΛϕʔεʹύϯɺҿ৯ళͷ࠶ݐΛߦ࣮ͬͨʹͳΓ·͢ɻdevopsͱ͍͏͔Βʹগ͠ҙ͍ࣝͯͨͩ͘͠ͱͳΔ΄Ͳͱࢥ͑Δ෦͕͋Γ·͢ͷͰɺઌʹߟ͑ํΛগ͚ͩ͠ղઆ͠Α͏ͱࢥ͍·͢ɻ࣮ྫΛͦ͢ͷલʹ
© 2018 Takashi Takebayashiܭଌ͢Δ࣮ྫΛͦ͢ͷલʹܭଌ͢ΔֶͿߏங͢ΔσʔλΞΠσΞ
© 2018 Takashi Takebayashiܭଌ͢Δܭଌ͔ΒΛಛఆ͢ΔԾઆΛཱͯΔ࣮ྫΛͦ͢ͷલʹܭଌ͢ΔֶͿߏங͢ΔσʔλΞΠσΞ
© 2018 Takashi Takebayashiܭଌ͢Δܭଌ͔ΒΛಛఆ͢ΔԾઆΛཱͯΔখ࣮͘͞ݧ͢Δ࣮ྫΛͦ͢ͷલʹܭଌ͢ΔֶͿߏங͢ΔσʔλΞΠσΞ
© 2018 Takashi Takebayashiܭଌ͢Δܭଌ͔ΒΛಛఆ͢ΔԾઆΛཱͯΔখ࣮͘͞ݧ͢Δ݁ՌΛܭଌ͢Δ ˠҎԼ܁ฦ࣮͠ྫΛͦ͢ͷલʹܭଌ͢ΔֶͿߏங͢ΔσʔλΞΠσΞ
© 2018 Takashi Takebayashi࣮ྫ
© 2018 Takashi Takebayashi්ͰܦӦൟ͍ͯ͠Δ˞ඒຯ͍͠͠ɺ͍҆˞࣮ྫ1. ύϯͷঢ়گ(؍ଌ)※ࢲͷҹͰ͢
© 2018 Takashi Takebayashiച্ߴɿߴ͍ച্ݪՁɿΊͬͪΌߴ͍རӹɿࣈܦӦঢ়گ(ώϠϦϯά)ܭଌ͢Δ
ͳͥʁPhoto by Jacob Bøtter – Thinking RFID(2009) / CC BY 2.0
© 2018 Takashi TakebayashiͲΜͿΓצఆ͔͔ͬͨίετه͍ͯ͠Δ͕ɺԿݸ࡞ͬͯԿݸചΕͬͨͷ͔ه͍ͯ͠ͳ͍(※ചΕ͚ͨͩه͍ͯ͠Δ)ύϯͷഇغ͕ଟ͍ຖԿ͕ചΕΔͷ͔͔Βͳ͍ͷͰചΕΔώϠϦϯάͰΘ͔ͬͨ͜ͱֶͿ
© 2018 Takashi Takebayashi- Controlling Software Projects: Management, Measurement & Estimation Tom DeMarco۪ऀܦݧʹֶͼɺݡऀྺ࢙ʹֶͿ“ଌఆͰ͖ͳ͍ͷ੍ޚͰ͖ͳ͍ You can’t control what you can’t measure.”
© 2018 Takashi Takebayashi͓ۚϞϊͷग़ೖΓΛهԿݸ࡞ͬͯԿݸചΕͯɺԿݸചΕͬͨͷ͔ύϯຖͷച্ɺίετɺഇغ…etcValue stream mappingΛॻͬͨ͘͜ͱhttps://en.wikipedia.org/wiki/Value_stream_mapping#/media/File:ValueStreamMapParts.pngߏங͢Δ ܭଌ͢Δ
© 2018 Takashi TakebayashiԿ͕ചΕΔ͔͔Βͳ͍Θ͚Ͱͳ͍ചΕےͱചΕےҎ֎͔ͳΓ໌֬ʹΘ͔Δͬͨύϯͯ͢ഇغ͍ͯ͠Δधཁ༧ଌΛϛεΔͱίετʹͶฦͬͯ͘ΔΘ͔ͬͨ͜ͱܭଌ͢Δ ֶͿ
© 2018 Takashi TakebayashiԿ͕ചΕΔ͔͔Βͳ͍Θ͚Ͱͳ͍ചΕےͱചΕےҎ֎͔ͳΓ໌֬ʹΘ͔Δ ˠചΕےΛ૿ͯ͠ɺചΕےҎ֎ΛݮΒͤΑ͍ͷͰʁͬͨύϯͯ͢ഇغ͍ͯ͠Δधཁ༧ଌΛϛεΔͱίετʹͶฦͬͯ͘Δ ˠύϯΛ࣋ͪ͢ΔΑ͏ʹ͢ΕΑ͍ͷͰʁΘ͔ͬͨ͜ͱ->ԾઆAֶͿ
https://blog-001.west.edge.storage-yahoo.jp/res/blog-33-90/yqsbc547/folder/494699/31/64808631/img_1_m
© 2018 Takashi Takebayashi
© 2018 Takashi TakebayashiͦΕ͚ͩΛ࡞ΔͨΊʹύϯͷษڧΛͨ͠Μ͡Όͳ͍อଘྉͳͲೖΕͨ͘ͳ͍৬ਓͷͩ͜ΘΓ
© 2018 Takashi TakebayashiͦΓΌͦ͏ͩ
ଞʹղܾࡦ͋Δ͚ͬPhoto by Jacob Bøtter – Thinking RFID(2009) / CC BY 2.0
© 2018 Takashi Takebayashi͋Δ
© 2018 Takashi Takebayashiৗ࣌ళ಄ൢചചΕےύϯͷΈʹ͢ΔചΕےҎ֎༧͕͋Εϩοτ୯ҐͰ࡞Δ༧͞ΕͨҎ্ͷళ಄Ͱൢച͢Δ༧࣌ʹύϯͷۚΛઌ͍ͷΘΓʹஈΛগ͠Լ͛Δ ͜ΕͰͩ͜ΘΓͭͭഇغͷྔΛݮΒ͢Θ͔ͬͨ͜ͱ->ԾઆBֶͿ ߏங͢Δ
© 2018 Takashi Takebayashiച্ߴɿߴ͘ͳΔఆ֎ͷ݁Ռ(ԾઆB࣮ࢪޙ)Ͱޙड़ച্ݪՁɿ͘ͳΔഇغ͕ݮͬͨ݁ՌɺݪՁ͕େ͖͘վળརӹɿࠇࣈԽ͢Δച্ߴˢݪՁˣͷ݁Ռɺརӹ͕େ෯֦େརӹ͕֬อ͞ΕΔͷͰԼͨ͠ࢿຊΛճऩ͠ดళΛ໔ΕΔܦӦঢ়گ(ԾઆB࣮ࢪޙ)ܭଌ͢Δ
© 2018 Takashi Takebayashiৗ࣌ళ಄ൢച͢ΔͷചΕےύϯͷΈʹͳΔ ˠചΕےҎ֎͕ৗʹళ಄ʹஔ͔Εͳ͘ͳΔ ͍ͭͰ͋ͬͨͷ͕ͳ͘ͳΔͱཉ͘͠ͳΔ˞ਪଌ ༧͢ΕखʹೖΔ͔Β༧͢Δ˞ਪଌ ˠҎલΑΓߪೖ͞ΕΔύϯͷ૯ྔ͕૿Ճ͢Δఆ֎ͷ݁Ռ(ԾઆB࣮ࢪޙ)ֶͿ
© 2018 Takashi Takebayashi්ͰܦӦൟ͍ͯ͠Δ˞ඒຯ͍͠͠ɺ͍҆˞࣮ྫ2. ҿ৯ళAͷঢ়گ(؍ଌ)※ࢲͷҹͰ͢
© 2018 Takashi Takebayashiച্ߴɿ͍ച্ݪՁɿۀքඪ४ΑΓߴ͍རӹɿࣈܦӦঢ়گ(ώϠϦϯά)ܭଌ͢Δ
© 2018 Takashi TakebayashiؓࢄଳʹདྷΔ͓٬ʹαʔϏεฏ४ԽͷޮՌͳ͠ൟଳͷαʔϏεԼෛՙԼ͕ͬͨͷͷฏ४ԽͷޮՌͳ්͕͠طʹ͍ͬͯͨ͜ͱܭଌ͢Δ
© 2018 Takashi Takebayashiൟଳͱؓࢄଳͷ͕ܹ͍ࠩ͠ࢲ͕ߦ͍ͬͯΔ࣌ؒଳൟଳͩͬͨͷͰɺൟ͍ͯ͠ΔΑ͏ʹݟ͑ͨʹདྷΔ͓٬͕গͳ͍னͱ༦ํ͕ଟ͘ɺͦͷޙ͕গͳ͍ʹདྷΔৗ࿈ҿΜฌӴ͚ͩͲ͓ञΛ͋·Γҿ·ͳ͍ώϠϦϯάͰΘ͔ͬͨ͜ͱֶͿ
© 2018 Takashi Takebayashiൟଳͱؓࢄଳͷ͕ܹ͍ࠩ͠ࢲ͕ߦ͍ͬͯΔ࣌ؒଳൟଳͩͬͨͷͰɺൟ͍ͯ͠ΔΑ͏ʹݟ͑ͨʹདྷΔ͓٬͕গͳ͍னͱ༦ํ͕ଟ͘ɺͦͷޙ͕গͳ͍ʹདྷΔৗ࿈ҿΜฌӴ͚ͩͲ͓ञΛ͋·Γҿ·ͳ͍ࢲ͕ؾʹͳֶͬͨͿ
© 2018 Takashi TakebayashiʹདྷΔৗ࿈ʹώϠϦϯάͬͨ͜ͱߏங͢Δ ܭଌ͢Δ
© 2018 Takashi Takebayashi࣮ৗ࿈͓ञ͕ҿΈ͔ͨͬͨৗ࿈ʮҿΈ͍ͨञ͕͓ళʹஔ͍ͯͳ͍ʯళʮৗ࿈Ҏ֎͕ҿ·ͳ͍ߴՁͳ͓ञΛৗඋ͢Δͷ͍͠ʯΘ͔ͬͨ͜ͱֶͿ
© 2018 Takashi Takebayashi࣮ৗ࿈͓ञ͕ҿΈ͔ͨͬͨৗ࿈ʮҿΈ͍ͨञ͕͓ళʹஔ͍ͯͳ͍ʯళʮৗ࿈Ҏ֎͕ҿ·ͳ͍ߴՁͳ͓ञΛৗඋ͢Δͷ͍͠ʯˠࢲʮϘτϧΩʔϓ੍Λಋೖ͢ΕΑ͍ͷͰʁʯΘ͔ͬͨ͜ͱ->ԾઆAֶͿ
© 2018 Takashi Takebayashi࣮ৗ࿈͓ञ͕ҿΈ͔ͨͬͨৗ࿈ʮҿΈ͍ͨञ͕͓ళʹஔ͍ͯͳ͍ʯళʮৗ࿈Ҏ֎͕ҿ·ͳ͍ߴՁͳ͓ञΛৗඋ͢Δͷ͍͠ʯˠࢲʮϘτϧΩʔϓ੍Λಋೖ͢ΕΑ͍ͷͰʁʯ ˠళʮͳΔ΄Ͳɺ͡Ό͊ग़ࢿۚͬͯ୨૿ઃࣄͩʂʂʯΘ͔ͬͨ͜ͱ->ԾઆAֶͿ
© 2018 Takashi Takebayashiμϝͩͧ
© 2018 Takashi TakebayashiϘτϧΩʔϓ੍Λಋೖ͢Εվળ͞ΕΔͷͰͳ͍͔ʁͱ͍͏ͷԾઆͰ͔͠ͳ͍ͦͷԾઆΛݕূͤͣʹ୨૿ઃͱ͍͏େ͖ͳࢿΛ͢Δͷμϝઈରͳͥμϝͳͷ͔ʁ
© 2018 Takashi Takebayashiࠓ͓ళʹ͋Δ୨ͷ৯ثΛগ͠ݮΒͯ͠ɺͦ͜ΛϘτϧΩʔϓ༻ͱͯ͠։์͢ΔԾઆݕূ͕తͳͷͰϘτϧ10ຊ΄Ͳ͕ஔ͚Δఔ͔͠৯ثεϖʔε͚͋ͳ͍ ͜ΕͰ࠷ݶͷࢿͰԾઆΛݕূ͢ΔΘ͔ͬͨ͜ͱ->ԾઆA’ֶͿ ߏங͢Δ
© 2018 Takashi Takebayashiച্ߴɿ༧Ҏ্ʹߴ͘ͳΔϘτϧΩʔϓ੍Ͱؓࢄଳͷདྷ٬සˢͷ݁Ռɺച্ߴˢଞཁҼఆ֎ͷ݁Ռ(ԾઆB࣮ࢪޙ)Ͱޙड़ച্ݪՁɿมΘΒͣརӹɿࠇࣈԽ͢Δച্ߴˢˢݪՁˠͷ݁Ռɺརӹ͕େ෯֦େརӹ͕֬อ͞ΕΔͷͰԼͨ͠ࢿຊΛճऩ͠ดళΛ໔ΕΔܦӦঢ়گ(ԾઆA’࣮ࢪޙ)ܭଌ͢Δ
© 2018 Takashi TakebayashiϘτϧΩʔϓ੍ৗ࿈ͷؓࢄଳͷདྷ٬ස্Λظͨ͠ࢪࡦ ͕ͩɺͳ͔ͥԅձͷස্ͨ͠ ྨ༑ΛݺͿɺΑΓҿΜฌӴͷ༑ҿΜฌӴ˞ਪଌ ԅձͰࣗͷ͖ͳ͓ञ͕ҿΊΔͷͰԅձසˢ˞ਪଌ ˠച্ߴ͕ҎલΑΓେ্͖ͨ͘͠ఆ֎ͷ݁Ռ(ԾઆA’࣮ࢪޙ)ֶͿ
© 2018 Takashi Takebayashi࣮ྫ3. ҿ৯ళBͷঢ়گ(؍ଌ)※ࢲͷҹͰ͢ళͱΞϧόΠτͰܦӦ͍ͯ͠Δඒຯ͍͠͠ɺ͍҆˞
© 2018 Takashi Takebayashiച্ߴɿ͍ച্ݪՁɿΊͬͪΌߴ͍རӹɿࣈܦӦঢ়گ(ώϠϦϯά)ܭଌ͢Δ
© 2018 Takashi Takebayashi͕ͯ͢ͲΜͿΓϊϦͰஈ͕ܾ·ΔͷͰݪՁׂΕͷස͕ߴ͍ΞϧόΠτͷਓ݅අ͕গͳ͍རӹΛܸώϠϦϯάͰΘ͔ͬͨ͜ͱֶͿ
© 2018 Takashi TakebayashiधཁʹԠͯ͡ΞϧόΠτΛೖΕΔՋͳ࣌ΞϧόΠτೖΕͳ͍͜ͱͰਓ݅අݮஈݪՁxαͱݻఆʹ͢ΔݪՁׂΕΛ͙ͨΊͬͨ͜ͱߏங͢Δ ܭଌ͢Δ
© 2018 Takashi TakebayashiϫϯΦϖճసʹਙେͳΔӨڹྉཧͱહͱձܭͷεΠονϯάίετ͕େ͖͍ಛʹߗ՟Λ৮Δձܭ͔ΒͷεΠονϯάίετ͕େ͖͍ग़ࢿऀͷݴ͏͜ͱΛฉ͔ͳ͍ϊϦͰஈ͕ܾΊͳ͍͜ͱ͕कΒΕͳ͍ͷͰ૬มΘΒͣݪՁׂΕͷස͕ߴ͍Θ͔ͬͨ͜ͱܭଌ͢Δ ֶͿ
© 2018 Takashi TakebayashiϫϯΦϖճసʹਙେͳΔӨڹྉཧͱહͱձܭͷεΠονϯάίετ͕େ͖͍ಛʹߗ՟Λ৮Δձܭ͔ΒͷεΠονϯάίετ͕େ͖͍ ˠߗ՟Λ৮Βͣʹձܭ͢Δํ๏ͳ͍ͷ͔ʁग़ࢿऀͷݴ͏͜ͱΛฉ͔ͳ͍ϊϦͰஈ͕ܾΊͳ͍͜ͱ͕कΒΕͳ͍ͷͰ૬มΘΒͣݪՁׂΕͷස͕ߴ͍ ˠ͜͜ͷվળఘΊΔΘ͔ͬͨ͜ͱ->ԾઆֶͿ
© 2018 Takashi Takebayashi͓ళൃߦͷۚ݊Λൃߦ͠ɺ͓ۚͷΘΓʹ͢Δۚ݊ߗ՟ΛΘͳ͍͍ͯ͘Α͏ʹ1000ԁʹ͢Δ٬ʹϝϦοτ͕͋ΔΑ͏ʹ10000ԁͰ11000ԁͷۚ݊ͱަ͢Δ ͜ΕͰεΠονϯάίετΛԼ͛ΔΘ͔ͬͨ͜ͱ->ԾઆAֶͿ ߏங͢Δ
© 2018 Takashi Takebayashiച্ߴɿߴ͘ͳΔճస͕͕͋ͬͨ݁Ռɺച্ߴˢച্ݪՁɿมΘΒͣརӹɿվળ͢Δച্ߴˢݪՁˠͷ݁Ռɺརӹ͕վળܦӦঢ়گ(ԾઆA࣮ࢪޙ)ܭଌ͢Δ
© 2018 Takashi Takebayashiҙࣝͨ͜͠ͱ
© 2018 Takashi Takebayashi͔Β͡ΊΔ૬खͷݴ͍Λฉ͖൱ఆ͠ͳ͍ՁʹϑΥʔΧε͢Δಉ͡ϦεΫΛऔΔҙࣝͨ͜͠ͱ
© 2018 Takashi TakebayashiΛޡղ͠ɺͦͷޡղͨ͠Λղܾͯ͠·ͬͨ͘ҙຯ͕ͳ͍Λదʹཧղ͠ɺޡΓͷͳ͍(The Rightissue)ʹϑΥʔΧε͢Δ͜ͱ͕ͱͯେࣄͰ͋ΔϋϯϚʔ͔͍࣋ͬͯ͠ͳ͚Εશ͕ͯఝʹݟ͑Δ If all you have is a hammer, everything looks like a nail. ͔Β͡ΊΔ
© 2018 Takashi TakebayashiݠڏʹͳΔ૬खʹܟҙΛ͏૬खΛ৴པ͢Δ ૬खΛ൱ఆͯ͠ҙຯ͕ͳ͍૬खͷݴ͍Λฉ͖൱ఆ͠ͳ͍
© 2018 Takashi TakebayashiՁʹϑΥʔΧε͢ΔWhyHowWhat bad leadergreat leaderEnable the business,Infrastructure as Code -> HowAutomated -> How10+ Deploys Per Day -> Whatthe business requires change -> Why
© 2018 Takashi Takebayashiશମ࠷ద >>>> ෦࠷దࣗʹͱͬͯ࠷దͰ͋ͬͯͦΕ͕શମʹͱͬͯՁ͕͋Γɺ࠷దͰͳ͚Εҙຯ͕ͳ͍10+ Deploys Per DayɺIaC͍ͬͯΔͱ͔·ͬͨؔ͘ͳ͍πʔϧӠʑͰͳͦ͘Ε͕Ͳ͏ՁʹӨڹ͢Δͷ͔ʁ͕େࣄ10+ Deploys Per Day(per 1 value)ɺ1 Deploy Per Week(per 100 values)ɺͲͪΒͷํ͕Ϗδωεʹߩݙ͍ͯ͠Δ?ܦӦऀҙࣝɺܦӦײ֮ɺΦʔφʔγοϓՁʹϑΥʔΧε͢Δ
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© 2018 Takashi Takebayashi·ͱΊ
·ͱΊhttps://www.suntory.co.jp/recruit/fresh/concept/
© 2018 Takashi Takebayashiby Takashi Takebayashi·ͱΊ“ਖ਼͚ͩ͠͞ͰਓΛಈ͔͢͜ͱͰ͖ͳ͍ɻਓʹಈ͍ͯΒ͏ʹཧ۶ʹΑΔઆಘͰͳ͘ɺڞײʹΑΔೲಘ͕ඞཁͰ͋Δ”
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© 2018 Takashi Takebayashiʮ͜Μͳͷ୭ͩͬͯͰ͖ΔΑʯपғ͔ΒͷධՁ
© 2018 Takashi TakebayashiTakashi Takebayashi @changeworldsMicrosoft MVP for Visual Studio and Development TechnologiesBlog : http://changesworlds.com/Role : Scrum Master, Agile Coach, Expert advisor, Management consultantWriting : Build Insider, MyNavi News, ΞδϟΠϧͰͬͯΈͨ Community : εΫϥϜಓ, TFSUGίΞϝϯόSpeaker
© 2018 Takashi TakebayashiThank you for your attention.Any questions?
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