Rubyを使った10年の個人開発でやってきたこと

by Koji Shimba

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,PKJ4IJNCB !TIJNCBDP ؔ੢3VCZձٞ 3VCZΛ࢖ͬͨ೥ͷ ݸਓ։ൃͰ΍͖ͬͯͨ ͜ͱ

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ࣗݾ঺հ ,PKJ4IJNCB (JU)VC "OOJDU .FXTU 8JLJOP!TIJNCBDP

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"OOJDU .FXTU 8JLJOP ๻͕࡞͍ͬͯΔ8FCαʔϏεͰ͢

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ຊ೔͓࿩͢͠Δ͜ͱ "OOJDU ΞχΫτ ͷ͜ͱ .FXTU ϛϡʔετ ͷ͜ͱ 8JLJOP ΢ΟΩϊ ͷ͜ͱ ٕज़తͳ࿩ w࠷ۙक͍ͬͯΔ3BJMTΞϓϦͷΫϥεઃܭ

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Annict (ΞχΫτ) ͷ͜ͱ

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"OOJDU ΞχΫτ ͱ͸ʁ BOOJDUDPN ݟͨΞχϝ͕ه࿥Ͱ͖Δ8FCαʔϏε ೥݄ʹެ։ ιʔείʔυHJUIVCDPNBOOJDUBOOJDU

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Ξχϝʹରͯ͠ ࢹௌεςʔλε͕ઃఆͰ͖Δ ͲͷΤϐιʔυΛݟ͔ͨ ײ૝ͱҰॹʹه࿥Ͱ͖Δ "OOJDUͷಛ௃

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ͳͥ"OOJDUΛ࡞͔ͬͨʁ Ҏલ͔ΒݟͨΞχϝΛεϓϨουγʔτͰه࿥͍ͯͨ͠ wొ࿥࡞ۀ͕൥ࡶͩͬͨ ଞͷαʔϏε΋ར༻͍ͯͨ͠ wࣗ෼ͷϢʔεέʔεʹ׬શʹ߹͏αʔϏε͕ͳ͔ͬͨ ࣗ෼ͷཉ͍͠ػೳΛશͯຬͨ͢αʔϏεΛ࡞Δ͜ͱʹͨ͠

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"OOJDUͷࠓޙ ΞχϝσʔλͷΠϯϑϥʹͳΓ͍ͨ ΞχϝσʔλΛ΋ͬͱ؅ཧ͠΍͍ͨ͘͢͠ w"OOJDU%#ͷվળɺσʔλม׵ͷޮ཰ԽͳͲ 8FC"1*ͰͰ͖Δ͜ͱΛ૿΍͍ͨ͠

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Mewst (ϛϡʔετ) ͷ͜ͱ

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.FXTU ϛϡʔετ ͱ͸ʁ NFXTUDPN ϚΠΫϩϒϩάαʔϏε ೥݄ʹެ։ ιʔείʔυHJUIVCDPNNFXTUDPNNFXTU

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λΠϜϥΠϯ͸࣌ܥྻͷΈ ϙετ΁ͷ൓Ԡ͸ʮελϯϓʯͷΈ wϦϓϥΠ΍Ϧϙετ͸ͳ͍ wѱ͍࿩ʹʮ͍͍Ͷʯ͸গ͠ԡͮ͠Β͍ ελϯϓͷ਺ࣈ͸ެ։͞Εͳ͍ ϑΥϩϫʔͳͲͷ৘ใ͸ެ։͞Εͳ͍ .FXTUͷಛ௃

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ͳͥ.FXTUΛ࡞͔ͬͨʁ ϗοͱͰ͖Δډ৔ॴ͕ཉ͔ͬͨ͠ .FXTU͸ʮιʔγϟϧϝσΟΞʯͰ͸ͳ͘ʮϚΠΫϩϒϩάʯ wଞͷਓͷ׆ಈ͸ͨ·ͨ·ݟΒΕΔ͘Β͍ͷڑ཭ײ

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.FXTUͷࠓޙ ϗοͱ͢ΔϚΠΫϩϒϩάʹͳΓ͍ͨ ਓͱͷڑ཭ײ͕ۙ͘ͳΓ͗͢ͳ͍࢓༷Λҡ࣋͢Δ ϒϩάͱͯ͠ศརͳػೳΛ௥Ճ͍ͨ͠ w݄ผʹࣗ෼ͷϙετ͕ݟΒΕͨΓࣗ෼ͷϙετ͕ݕࡧͰ͖ͨΓ ৭Μͳ.FXTUΫϥΠΞϯτ͕ੜ·ΕΔΑ͏ʹ8FC"1*Λఏڙ͍ͨ͠

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Wikino (΢ΟΩϊ) ͷ͜ͱ

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8JLJOP ΢ΟΩϊ ͱ͸ʁ XJLJOPBQQ 8JLJͷΞϓϦ ೥݄ʹެ։ ιʔείʔυHJUIVCDPNXJLJOPBQQXJLJOP

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.BSLEPXOΛϓϨʔϯςΩετͰ ฤूͰ͖Δ ؔ࿈ϖʔδϦετ͔ΒϦϯΫΛ ḷͬͯϖʔδ͕୳ͤΔ ϒϩάͷΑ͏ʹΠϯλʔωοτ্ ʹެ։Ͱ͖Δ ඇެ։΋Մ 8JLJOPͷಛ௃

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ͳͥ8JLJOPΛ࡞͔ͬͨʁ .BSLEPXOͰॻ͚Δ$PTFOTF چ4DSBQCPY ͷΑ͏ͳ΋ͷ͕ཉ͔ͬͨ͠ $PTFOTFͷه๏͸ॻ͖΍ͯ͘͢޷͖ʜ͚ͩͲ wυΩϡϝϯτͷϙʔλϏϦςΟΛߟ͑Δͱ.BSLEPXOͷ΄͏͕޷Έ w.BSLEPXO͸֤αʔϏε͕ରԠ͍ͯ͠ΔͨΊ ࣗαʔϏεͷϔϧϓϖʔδΛ8FCϒϥ΢β͔Β؆୯ʹ؅ཧ͍ͨ͠

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8JLJOPͷࠓޙ υΩϡϝϯτքͷ(JU)VCʹͳΓ͍ͨ wͨͩ͠ઐ໳஌ࣝ (JUͳͲ ͸ෆཁ wυΩϡϝϯτʹରͯ͠ฤूϦΫΤετΛૹͬͨΓ wෳ਺ਓͰυΩϡϝϯτΛ؅ཧͨ͠Γ .$1Ͱ--.ͱ࿈ܞͯ͠ฤूϦΫΤετΛ࡞ͬͯ΋Β͏ wΈ͍ͨͳྲྀΕ͕Ͱ͖ͨΒ೤ͦ͏

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໿೥ͷݸਓ։ൃͰಘͨ஌ݟ ࣗ෼͕ཉ͍͠΋ͷΛ࡞ͬͯ΋ҙ֎ͱ࢖ͬͯ΋Β͑Δ wͳͷͰࣗ෼͕ཉ͍͠΋ͷΛ࡞Δͱྑ͍ wར༻ऀ͕ࣗ෼͚ͩͰ΋ࣗ෼͕ศརʹ࢖͑Δ͔Βྑ͍ ଓ͚ΔͨΊʹɺແཧΛ͠ͳ͍ w೩͑ਚ͖ͳ͍Α͏ʹ౎౓ٳΉ ٕज़తͳ࣮ݧ͕ࣗ༝ʹͰ͖Δ

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ٕज़తͳ࿩

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3BJMTΞϓϦͷΦϨΦϨΫϥεઃܭ աڈʹ΋৭ʑ΍͖ͬͯͨ wBQQEFDPSBUPST wBQQFOUJUJFT wBQQRVFSJFT wFUD

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ΦϨΦϨΫϥεઃܭ͕ͬ͘͠Γ͜ͳ͍ ͦͷͱ͖ʮྑ͍ύλʔϯͩʂʯͱࢥͬͨΫϥεΛఆٛ͢Δ ೥਺ΛॏͶΔ ͨͩෳࡶʹͳ͚ͬͨͩͷΑ͏ʹײͯ͡͠·͏ʜ

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ͳͥͬ͘͠Γ͜ͳ͔͔ͬͨʁ ύλʔϯΛར༻͢Δ໨త͕യવͱ͍ͯͨ͠ ύλʔϯͷද໘తͳ෦෼͚ͩΛऔΓೖΕ͍ͯͨ ݁Ռͱͯ͠ϝϯςφϯείετ্͚͕͕ͩͬͨ

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ࣗ෼͸ԿΛղܾ͍ͨ͠ͷ͔ʁ τϥϯβΫγϣϯΛுΔ৔ॴΛ·ͱΊ͍ͨ wτϥϯβΫγϣϯ͕ೖΕࢠʹͳΔͷΛ๷͍͗ͨ .PEFMͰίʔϧόοΫΛར༻͢ΔͷΛආ͚͍ͨ wಛʹ෭࡞༻͕͋ΔλΠϓ͸Մಡੑ΍ςελϏϦςΟ͕Լ͕Γ͕ͪ 7JFXͰσʔλϕʔεʹΞΫηε͢ΔͷΛආ͚͍ͨ w/ͷղܾ͕೉͘͠ͳΓ͕ͪ

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΍ͬͨ͜ͱ ΫϥεఆٛΛߟ͑௚ͨ͠ Ϋϥεؒͷґଘؔ܎Λ໌֬ʹఆٛͨ͠

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࠷ۙͷΫϥεఆٛ Ұ෦ൈਮ 7JFX $PNQPOFOU 'PSN .PEFM 3FDPSE 3FQPTJUPSZ 4FSWJDF

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7JFX $PNQPOFOU 7JFX wҰൠతͳ3BJMTΞϓϦͷ7JFXͱಉ͡໾ׂ $PNQPOFOU w6*ͷ෦඼Λίϯϙʔωϯτ୯ҐͰ࡞Γ΍͘͢͢ΔͨΊʹఆٛ ͲͪΒ΋7JFX$PNQPOFOUHFNΛ࢖༻͍ͯ͠Δ w$POUSPMMFS͔Β౉͞ΕΔσʔλΛ໌֬ʹ͢ΔͨΊ

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Ϋϥεఆٛ ςϯϓϨʔτ 4PSCFUʹΑΔܕ෇͚ ड͚औͬͨσʔλ͕ΑΓ໌֬ʹͳΔ 7JFXͷίʔυྫ $PNQPOFOU΋ಉ͡Α͏ʹఆ͍ٛͯ͠Δ

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'PSN ۀ຿ΤϥʔͷνΣοΫΛߦ͏ wۀ຿ΤϥʔʜϢʔβʔ͕ࣗྗͰ෮ؼͰ͖ΔΤϥʔ "DUJWF.PEFM.PEFMͱ"DUJWF.PEFM"UUSJCVUFTΛJODMVEF͍ͯ͠Δ

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"QQMJDBUJPO'PSNͷதͰ "DUJWF.PEFM.PEFMͳͲΛJODMVEF͍ͯ͠Δ ۀ຿ΤϥʔͷνΣοΫ͸͜͜Ͱߦ͏ 'PSNͷίʔυྫ

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.PEFM Ұൠతͳ3BJMTΞϓϦͷ.PEFMͱ͸গ͠ҟͳΔ ߏ଄ମ΍1030 1MBJO0ME3VCZ0CKFDU ͚͕ͩ֨ೲ͞Ε͍ͯΔ .PEFM͔ΒσʔλϕʔεʹΞΫηε͢Δ͜ͱ͸ͳ͍ .PEFMΛ7JFXʹ౉͢͜ͱͰɺ7JFX͔Βͷσʔλϕʔεࢀর͕๷͛Δ

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54USVDU͸4PSCFU͕ఏڙ͢Δ ܕ෇͖ͷߏ଄ମ .PEFMͷίʔυྫ

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3FDPSE σʔλϕʔεʹΞΫηε͢ΔΫϥε "QQMJDBUJPO3FDPSEΛܧঝ͍ͯ͠Δ

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جຊతʹ͸Ұൠతͳ3BJMTͷϞσϧͱಉ͡ 3FDPSEͷίʔυྫ

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3FQPTJUPSZ 3FDPSEΛ.PEFMʹม׵͢ΔΫϥε .PEFM͕3FDPSEʹґଘ͠ͳ͍Α͏ʹ͢ΔͨΊɺதؒ૚͕ඞཁͩͬͨ w.PEFMGSPN@SFDPSE SFDPSE ͱ͍ͬͨϝιου͸ఆٛ͠ͳ͍ جຊతʹ.PEFM͝ͱʹͭͷ3FQPTJUPSZΛఆ͍ٛͯ͠Δ

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UP@NPEFMͷதͰ ϞσϧΦϒδΣΫτΛੜ੒͍ͯ͠Δ 3FQPTJUPSZͷίʔυྫ

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4FSWJDF σʔλͷӬଓԽΛߦ͏ τϥϯβΫγϣϯ͸͜ͷதͰ։࢝͢Δ ϏδωεϩδοΫ͸ॻ͔ͳ͍ w3FDPSE΍.PEFMʹॻ͘Α͏ʹ͢Δ

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ݺͼग़͠ݩʹඞཁͳ σʔλΛ֨ೲ͢Δߏ଄ମ τϥϯβΫγϣϯΛ։࢝͢Δ τϥϯβΫγϣϯऴྃޙʹ ࣮ߦ͍ͨ͠ॲཧΛॻ͘ ίʔϧόοΫ͸ར༻͠ͳ͍ 4FSWJDFͷίʔυྫ

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Ϋϥεؒͷґଘؔ܎ ໼ҹͷํ޲͕ґଘઌʹͳΔ 4FSWJDF͸4FSWJDFʹґଘ͠ͳ͍ τϥϯβΫγϣϯͷೖΕࢠΛ๷͙ͨΊ .BJMFS͔Β7JFX΁ͷґଘ͸ڐ༰͢Δ ׬ᘳΛ໨ࢦ͞ͳ͍ 3FDPSE͸৭ΜͳΫϥε͕ґଘͯ͠ྑ͍ ͨͩ͠7JFXͱ$PNQPOFOU͸μϝ ͭͷ૚ʹ෼͚͍ͯΔ

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ಠࣗΫϥεઃܭͷੋඇ Ұਓ͔ͩΒͦࣗ͜༝ʹઃܭΛࢼͤΔ Ϋϥεઃܭ͸ਓʹΑ༷ͬͯʑͳՁ஋؍͕͋Δ νʔϜ։ൃͰ͸Ձ஋؍ͷҧ͍͔Βઃܭ͕ෳࡶԽ͕ͪ͠ wෳࡶԽΛආ͚ΔͨΊʹඪ४తͳ3BJMTͷߏ੒ .7$ ΛकΔͷ΋ྑ͍ͱࢥ͏

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·ͱΊ ೥ؒͷݸਓ։ൃͰ࡞ͬͨ΋ͷ w"OOJDU .FXTU🆕 8JLJOP🆕 ಠࣗͷΫϥεઃܭ wղܾ͍ͨ͠໰୊Λ໌֬ʹ͢Δ͜ͱ͕େࣄ wνʔϜ։ൃͰ͸౷཰͕೉͘͠ɺඪ४ߏ੒Λकͬͨ΄͏͕ྑ͍͜ͱ΋͋Δ ݸਓ։ൃΛଓ͚Δίπ wࣗ෼͕ཉ͍͠΋ͷΛ࡞Δ wແཧΛ͠ͳ͍

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͝ਗ਼ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠