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2ヶ月で新規事業のシステムを0から立ち上げるスタートアップの舞台裏
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Shoma Okamoto
November 14, 2025
Technology
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2ヶ月で新規事業のシステムを0から立ち上げるスタートアップの舞台裏
Shoma Okamoto
November 14, 2025
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Transcript
2ϲ݄Ͱ৽نࣄۀͷγεςϜΛ0͔Β ্ཱͪ͛ΔελʔτΞοϓͷཪ Shoma Okamotoʢ@shmokmtʣ YAPC::Fukuoka 2025 2025-11-14 #yapcjapanC 
4NBSU#BOL *OD 4PGUXBSF&OHJOFFS43& 4IPNB0LBNPUP !TINPLNU !TINPLNU 4QFBLFS
None
*OUSPEVDUJPO 🆕 ·ͬ͞Βͳঢ়ଶ͔Βͷٸͳ৽نࣄۀͷγεςϜߏஙͷࣄྫ 💪 աڈͷʮ͜͏͓͚ͯ͠Α͔ͬͨʯΛվળ͢Δઈͷνϟϯε 🏃 εϐʔυײͷ͋Δ৽نࣄۀͷ্ཱͪ͛ͷ࠶ݱੑʹ͍ͭͯߟ ࠓճͷτʔΫ ڧͯ͘χϡʔήʔϜ͍ͨ͠
*OUSPEVDUJPO ࠶ݱੑͷ͋Δ্ཱͪ͛ํ͋Δʁ FUD σβΠϯγεςϜͷ׆༻ ࣄۀυϝΠϯͷཧղ FUD ⛓৽نࣄۀͷ্ཱͪ͛ 💦ݱͰڧ͘ٻΊΒΕΔ͜ͱ ✅͖ͬͯͨ͜ͱ
গਓͷνʔϜମ੍ "HFOUJD$PEJOH ࣄۀυϝΠϯͷ ཧղ ॊೈੑ ਓɾ࣌ؒɾ༧ࢉͷ ࠷దԽ Φʔφʔγοϓ ෆ࣮֬ੑͷੑ ҙࢥܾఆͷ͞ ػձͷ֦େ 1 2 ڝ૪༏Ґੑͷ֬อ ࢢڥͷมԽͷରԠ 3 ৭ʑؤுΒͳ͍ͱ͍͚ͳ͍ͷΘ͔Δ͕ɺͲ͜ʹྗ͢ΔͱޮՌతͳͷ͔Γ͍ͨ
*OUSPEVDUJPO w ݄ w ࣄۀ։࢝lѹతzͳਓྗ࡞ۀݕূϑΣʔζ w (PPHMFεϓϨουγʔτɺ/PUJPOɺGPSNSVOΛΈ߹Θͤͨͷ w ্݄०
w ࣄۀͷ͕֬ߴ·ΓɺˠͰγεςϜ։ൃ͢Δ͜ͱ͕ܾఆ w ݄த० w γεςϜͷຊ൪ϦϦʔε λΠϜϥΠϯ
ϓϩδΣΫτʹࢀըͨ͠ॳͷঢ়گ w αʔόʔαΠυΤϯδχΞʢϑϧίϛοτʣ໊ w ϑϩϯτΤϯυΤϯδχΞσβΠφʔʢ݉ʣ໊ w 43&ʢ݉ʣ໊ 43&"*ՈܭΞϓϦʮϫϯόϯΫʯͷηΩϡϦςΟ৹ࠪʢ1$*%44ʣฏߦ࣮ͯ͠ࢪ গਓͷνʔϜ
˞ΤϯδχΞҎ֎ʹ69Ϧαʔνϟʔɺࣄۀऀ͕ίϛοτ 1E.ɺϞόΠϧΤϯδχΞෆࡏ શһ͕*$ʢ*OEJWJEVBM$POUSJCVUPSʣ
ελʔτΞοϓ͋Δ͋Δͳ͍
ελʔτΞοϓ͋Δ͋Δͳ͍
ϓϩδΣΫτʹࢀըͨ͠ॳͷঢ়گ ܾΊΔ͜ͱଟ͗͢Δͳ (JU)VCϦϙδτϦ υϝΠϯ "84ΞΧϯτ αʔϏε໊ ఆྫͳͲͷಉظతͳ ίϛϡχέʔγϣϯମ੍ ͦͷଞॾʑ
ͳ͍
ϓϩδΣΫτʹࢀըͨ͠ॳͷঢ়گ طଘͷγεςϜͷ͕͠ΒΈ͔Βղ์͞ΕΔͱ͍͏ଊ͑ํ͋Δ ͳ͍
ϓϩδΣΫτʹࢀըͨ͠ॳͷঢ়گ ϞϝϯλϜ͋Δ ͜͜ͰͷϞϝϯλϜνʔϜͷ׆ྗʮͳΜ͔Ͱ͖ͦ͏ʂʯͱ͍͏ϙδςΟϒͳงғؾͷ͜ͱ w ࣾͷݟੵΓʹΑΓɺҰൠతʹʙϲ݄΄ͲͷظؒΛཁ͢Δͷͱ໌
࣮ࡍʹऔΓΜͰΈͨ͜ͱΛ͝հ
େલఏϕʔεͱͳΔٕज़ελοΫม͑ͳ͍ w 3VCZPO3BJMT w "NB[PO&$4"84'BSHBUF "*ՈܭΞϓϦʮϫϯόϯΫʯdׂ͕3VCZPO3BJMT&$4Ͱಈ͍͍ͯΔ
ࣄۀυϝΠϯͷཧղ ϢʔβʔετʔϦʔϚοϐϯά !PICBSZF
"HFOUJD$PEJOHͷ׆༻ %FWJO$MBVEF 4QFD%SJWFO%FWFMPQNFOUͰ %FWJO$MBVEF͕ ϕʔεͷ13Λ࡞ "%3༷ॻͳͲϦϙδτϦʹz͋͑ͯzίϛοτ͢Δ͜ͱͰ࣭ͷߴ͍ίʔυΛ"*ʹ࡞Β͍ͤͯͨ !PICBSZF !UNOC
"HFOUJD$PEJOHͷ׆༻ %FWJO$MBVEF %FWDPOUBJOFSͰ CJOTFUVQ͕ࣗಈ࣮ߦ͞ΕΔɻ ઃఆϑΝΠϧؚΊ $MBVEF$PEF͕ Πϯετʔϧ͞ΕΔ શһͰಉ͡ઃఆͰ։ൃ͢Δͱɺҙ֎ͱ҉͕ੵ͞ΕΔɻ !PICBSZF
!UNOC
"HFOUJD$PEJOHͷ׆༻ *OGSBTUSVDUVSFBT$PEF 5FSSBGPSN$MBVEF$PEFΛ ϝΠϯʹίʔσΟϯά ࣌ંɺ3BJMTͷϓϩμΫγϣϯίʔυॻ͍ͨΓͨ͠ !TINPLNU !DBQZUBO
σβΠϯγεςϜͷ׆༻ ϫϯόϯΫͷσβΠϯγεςϜ ɾQSJWBUFͳOQNQBDLBHFͱͯ͠ӡ༻ ɾϑϩϯτΤϯυ͕ಘҙͳਓ͕͍ͳͯ͘ɺ αʔόʔαΠυΤϯδχΞ͕WJFXΛߴʹੜ ࣮͍ͨ͠6*ίϯϙʔωϯτʢ3FBDUʣ͕৭ʑ͋ͬͯɺศར !QVUDIPN
ϒϥϯνઓུ #FGPSF"*ՈܭΞϓϦʮϫϯόϯΫʯ Ҿ༻HJUQSSFMFBTFͱ(JU)VC"DUJPOTͰϫϯΫϦοΫσϓϩΠΛ࣮ݱ͢Δc͓ͦΒͦ͘Ε͑͞ฏຌͳʑ IUUQTTPOHNVKQSJKJFOUSZHJUQSSFMFBTFIUNM Ӧۀʹ࠷ճͷϦϦʔε͢ΔΑ͏ͳ σϦόϦʔϚωδϝϯτΛ࣮ࢪ
ϒϥϯνઓུ ϦϦʔελΠϛϯάΛ੍ޚ͍͢͠໘ɺϦϦʔε͕Ͱ͔͘ͳΓ͕ͪͱ͍͏՝ EFQMPZNFOUTQFSXFFL #FGPSF"*ՈܭΞϓϦʮϫϯόϯΫʯ
ϒϥϯνઓུ "GUFSϒϥϯνઓུϫϯόϯΫٻॻങऔʢ৽نࣄۀʣ ɾܾࡁͷΑ͏ͳϛογϣϯΫϦςΟΧϧͳͷͰͳ͍ ɾεϐʔυײग़͍͖͍ͯͨ͠ ɾ(JU)VC'MPXΛ࠾༻ ɾ"*ՈܭΞϓϦʮϫϯόϯΫʯͷഒͷEFQMPZNFOUT ɾ"HFOUJD$PEJOHͱͷ૬ޮՌ αʔόʔαΠυΤϯδχΞਓ͔͍͠ͳ͍ͷʹɺճຊ൪ڥ͔ΒϑΟʔυόοΫΛಘΔػձ͕͋Δ
։ൃӡ༻ελΠϧϥΠϒϥϦπʔϧΛத৺ʹมߋ ྫ&$4σϓϩΠ ɾैདྷ$PEF1JQFMJOF$PEF#VJME$PEF%FQMPZͰ"84ඪ४ͷΈ͔͍ͬͬͯͨ ɾ։ൃڥͷσϓϩΠ+FOLJOTPWFS71/ ɾ71/ܨ͍ͩΓɺ+FOLJOT͓͡͞ΜͷػݏΛͬͨΓͷख͕ؒඞཁ ɾ৽نࣄۀͰ(JU)VC"DUJPOTYFDTQSFTTPߏ ɾKTPOOFUศརʂίϝϯτ͕ॻ͚Δʂ ຯ͚ͩͲɺӡ༻Ͱॿ͔ΔΑ͏ͳʮ͜͏͓͚ͯ͠Α͔ͬͨʯΛίπίπೖΕ͍ͯ͘
ϦϦʔε
ຊ൪ϦϦʔε ແࣄʹޭ🎉 4MBDLϋυϧͰ࣮گ͠ͳ͕Β ຊ൪ϦϦʔε
ৼΓฦΓ
ΤϯδχΞʹΑΔৼΓฦΓ w ࠶ݱՄೳੑࣄۀʹର͢ΔӨڹͷ ࢛ݶͰΏΔ͘Ϛοϐϯά w ,FZXPSET w ίϛοτϝϯτΦʔφʔγοϓ w
υϝΠϯ%FFQ%JWF w ϦϦʔεઓུ w "*--.ͷ׆༻ w ίϛϡχέʔγϣϯίετ w (SFFO fi FMEʢˠͷ։ൃʣ
·ͱΊ
·ͱΊ w શһ͕"HFOUJD$PEJOH׆༻͢Δͱɺˠͷॠൃྗ͕ͦͦ͜͜ग़Δ w ͨͩ͠ɺϏδωεͷۀϑϩʔͷཧղ͕͍ͱ "*--.͕ߴͰzΰϛzΛྔ࢈͢Δ w ΰϛΛྔ࢈͠ͳ͍ͨΊʹɺٕज़ྗͷॏཁੑมΘ͍ͬͯͳ͍ w
ίʔυϕʔε͕ංେԽ͢ΔʹͭΕͯॠൃྗͦ͠͏Ͱ͋Δ w ݁ہਓ͕ؒίʔυಡ·ͳ͍ͱ͍͚ͳ͍ͷͰ w िఔͰzWJCFDPEFDMFBOVQTQFDJBMJTUz ʹͳͬͨΓ͍ͯͨ͠ "*--.ͷ׆༻ "*͕ੜΜͩ৽ͨͳࣄʮόΠϒίʔυमਖ਼ʯͱʁڰͷཪͰٸ૿͢Δߴֹͳlޙ࢝zc9FOP4QFDUSVN IUUQTYFOPTQFDUSVNDPNBJWJCFDPEJOHDMFBOVQFOHJOFFSTOFXHPMESVTI
·ͱΊ "*--.ͷ׆༻ Ҿ༻IUUQTYDPNU@XBEBTUBUVT
·ͱΊ w গਓͷνʔϜΛҙࣝ͢Δ w lௐzͱ͍͏ࣄΛݶΓͳ͘ɺʹ͚ۙͮΔ w ͙͢ҙࢥܾఆͰ͖ΔͷΛఆྫձٞʹ࣋ͪࠐ·ͳ͍ w 0OFXBZ%PPS
ʢޙΓʹ͍͘ʣͷઆ໌ࡐྉΛἧ্͑ͨͰಉظతʹٞ w 5XPXBZ%PPS ʢޙΓ͍͢͠ʣͷඇಉظͰΨϯΨϯܾΊ͍ͯ͘ w ͍͔ʹϑϩʔঢ়ଶʢເதʣʹͳΕΔঢ়ଶΛ࡞Γग़ͤΔΑ͏ʹͳ͍ͬͯΔ͔͕େࣄ w զʑz༗ҙٛzͰ͋ΔͷΛzਖ਼͘͠z࡞Ε͍ͯΔͷͩͱ͍͏࣮ײ ίϛοτϝϯτΦʔφʔγοϓ "NB[PO'PVOEFS+F ff #F[PT5IJT*T)PX4VDDFTTGVM1FPQMF.BLF4VDI4NBSU%FDJTJPOT IUUQTXXXJODDPNKF ff IBEFOBNB[POGPVOEFSKF ff CF[PTUIJTJTIPXTVDDFTTGVMQFPQMFNBLFTVDITNBSUEFDJTJPOTIUNM
·ͱΊ w ϏδωεϓϩηεΛਂ͘ཧղ͢Δ͜ͱ w গਓͰͷνʔϜΛߏ͢Δ͜ͱ w "*--.ΛϑϧͰ׆༻͢Δ͜ͱ w ϕʔεͱͳΔٕज़తͳʮܗʯΛ͓࣋ͬͯ͘͜ͱ
ࠓޙ࠶ݱੑΛ࣮࣋ͬͯݱ͢ΔͨΊʹ