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Exceptional Rails
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Shinichi Maeshima
October 27, 2023
6
7.5k
Exceptional Rails
kaigi on rails 2023での発表内容です
https://kaigionrails.org/2023/talks/willnet/
Shinichi Maeshima
October 27, 2023
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Transcript
!XJMMOFU &YDFQUJPOBM3BJMT
Shinichi Maeshima @netwillnet @willnet https://blog.willnet.in Willnet Inc.
ٕज़ސۀΛ͍ͯ͠·͢
͓ࣄ4/4తͳͷΛ։ൃ ͍ͯ͠·͢
&YDFQUJPOBM 3BJMT
None
3BJMTΞϓϦέʔγϣϯʹ͓ ͚Δྫ֎ͱͷ͖߹͍ํʹ ͍ͭͯ͠·͢
3BJMTΞϓϦέʔγϣϯʹ͓ ͚Δྫ֎ͱͷ͖߹͍ํʹ ͍ͭͯ͠·͢
lྫ֎ͱɺ௨ྫͷݪଇʹ͋ͯ ·͍ͬͯͳ͍͜ͱɻҰൠͷ ݪଇͷద༻Λड͚ͳ͍͜ͱɻz IUUQTKBXJLJQFEJBPSHXJLJ&#&#&"
3VCZ3BJMTͷจ຺ͰSBJTF
3BJMTΞϓϦέʔγϣϯʹ͓ ͚Δྫ֎ͱͷ͖߹͍ํʹ ͍ͭͯ͠·͢
ྫ֎ͱͷ͖߹͍ํɺͱ w ͍ͭྫ֎Λൃੜͤ͞Δ͔ w ൃੜͨ͠ྫ֎Λ͍ͭͲͷΑ͏ʹSFTDVF͢Δͷ͔ w ௨͕ඞཁͳྫ֎ΛͲͷΑ͏ʹ։ൃऀʹ௨͢Δ͔ w ΤϥʔϖʔδΛϢʔβʹͲ͏දࣔ͢Δͷ͔
3BJMTΞϓϦέʔγϣϯͰ ͍ͭྫ֎Λൃੜͤ͞Δ͔
ʮඞཁ͕͋Δͱ͖͚ͩ ྫ֎Λൃੜͤ͞Δʯ
ݴ͍͑Δͱ ʮྫ֎Λൃੜͤ͞ͳͯ͘ ͳ͍ͱ͖ൃੜͤ͞ͳ͍ʯ
ͳͥʁ
ྫ֎ϑϩʔ͕͔ΓͮΒ͘ͳΔ
None
None
SBJTFʹΑΔϑϩʔͷΘ͔ΓͮΒ͞ w SBJTFରԠ͢ΔCFHJOʜSFTDVF·ͰભҠ͢ΔͷͰҰݟ͚ͨͩ͠ͰͲ͜ʹભ Ҡ͢Δ͔Θ͔Βͳ͍ࣄ͕͋Δ w CFHJOʜSFTDVF͕ผϝιουʹॻ͔Ε͍ͯͨΒͳ͓͞Β͔ΓͮΒ͍ w SFTDVFͰิ͢ΔΤϥʔ༰ʹΑͬͯɺྫ֎ൃੜݩ͕ෳ͋Δ͔ʁ w Ͳ͏͍͏ભҠΛͨͲΔ͔͔ΓͮΒ͍
ྫ֎͍
None
None
ഒҎ্͍
ʮඞཁ͕͋Δͱ͖͚ͩ ྫ֎Λൃੜͤ͞Δʯ
ඞཁ͕͋Δͱ͖ͱʁ
ݪଇͱͯ͠ҟৗܥ
ਖ਼ৗܥɺ४ਖ਼ৗܥɺҟৗܥ
͜ͷݴ༿ͷఆٛ͋͘·Ͱ ͜ͷൃදʹ͓͍ͯ͜ͷΑ͏ʹఆ ٛ͠·͢ɺͱ͍͏ͷͰ͢
ਖ਼ৗܥͷྫ ϩάΠϯϑΥʔϜʹਖ਼͍͠ϝʔ ϧΞυϨεͱύεϫʔυΛೖྗ ͯ͠ϩάΠϯͰ͖ͨ
४ਖ਼ৗܥͷྫ ϩάΠϯϑΥʔϜʹؒҧͬͨϝʔϧ ΞυϨεͱύεϫʔυΛೖྗͯ͠ ʮϝʔϧΞυϨε·ͨύεϫʔυ ͕ؒҧ͍͑ͯ·͢ʯͱදࣔ͞Εͨ
ҟৗܥͷྫ %#αʔόͷଓʹ ࣦഊͨ͠
ҟৗܥͰྫ֎Λൃੜͤ͞Δ࣮ྫ
དྷΔͣͷͳ͍ذʹདྷͯ͠· ͬͨ
None
Ϣʔβೖྗʹґଘ͠ͳ͍ Ϟσϧมߋͷࣦഊ
None
None
Ϣʔβೖྗແ͠Ͱআ͢ΔͷͰ͋Ε جຊޭ͢Δͣ
ͳΜΒ͔ͷཁҼͰআʹࣦഊͨ͠ͱ͖ʹ ྫ֎Λൃੜͤͯ͞ؾ͚ΔΑ͏ʹ͓ͯ͘͠
Λ͚ͭΕΔͱʜʁ
আʹࣦഊͨ͠ͱ͖Ϣʔβʹzআ͠ ·ͨ͠zͱදࣔ͞Εͯ͠·͏
ϢʔβೖྗΛΘͣ %#Λߋ৽͢Δͱ͖zzΛ ͚ͭͯؾ͚ΔΑ͏ʹ͢Δ
ݪଇͱͯ͠ҟৗܥ
ݪଇʹର͢Δྫ֎
४ਖ਼ৗܥͰྫ֎Λൃੜͤ͞Δ ेͳϝϦοτ͕͋Ε👌
ྫ"DUJWF3FDPSE3FDPSE/PU'PVOE
ྫ֎Λආ͚Δͱ͜͏ͳΔ
શ෦ͷͰ͜ΕΛΔͷ͍ͨΜ
ྫ֎Λ্͛ͯҐͷϨΠϠʹ ॲཧΛͤΔͱָ
ྫ֎Λ͍ͭͲͷΑ͏ʹSFTDVF͢Δ͔
ྫ֎Λ͍ͭͲͷΑ͏ʹSFTDVF͢Δ͔
͖ͬͨ͞͠ʮྫ֎Λൃੜͤ͞Δʯ έʔεҎ֎ͳΔ͘ૣ͘SFTDVF ͢Δ
ૣ͘SFTDVFͨ͠΄͏͕ϑϩʔ͕ Θ͔Γ͍͢
ྫ
None
None
ྫ֎Λ͍ͭͲͷΑ͏ʹSFTDVF͢Δ͔
ͳΔ͘۩ମతʹྫ֎Λࢦఆ͢Δ
None
UZQP͍ͯ͠Δͷʹؾ͚ͳ͍
ఆ͍ͯ͠ͳ͍ྫ֎Λิͯ͠͠·͏ ͱෆ۩߹ʹؾ͘ͷ͕ΕΔ
None
ͳΔ͘CFHJOʜSFTDVFΛڱ͘͢Δ
None
9QPTUʹࣦഊͨ͠ΒGBMTFΛฦ͍ͨ͠
None
VQEBUF͕ྫ֎Λग़ͨ͠Β9QPTU͕ ޭ͍ͯ͠ΔͷʹGBMTF͕ฦͬͯ͠·͏
ఆ͍ͯ͠ͳ͍ྫ֎Λิͯ͠͠·͏ ͱෆ۩߹ʹؾ͘ͷ͕ΕΔ
None
VQEBUF͕ྫ֎Λൃੜͤͨ͞Β ͙͢ؾ͚Δ
։ൃऀʹର͢Δ௨Λ Ͳ͏͢Δ͔
VQEBUF͕ྫ֎Λग़ͯ͠ ϢʔβʹΤϥʔը໘ݟͤͨ͘ͳ͍ͱͨ͠Βʁ
None
ϩάʹॻ͖ग़͚ͩͩ͢ͱ ຒΕͯ͠·͍·͢Ͷ
ΤϥʔτϥοΩϯάαʔϏε w 4FOUSZ w 3PMMCBS w )POFZ#BEHFS w "JSCSBLF w
3BZHVO w FUD
ϢʔβʹΤϥʔΛݟͤͣʹ ։ൃऀʹ௨͢Δ
3BJMTҎ߱͜͏ॻ͚Δ
ϒϩοΫͰࢦఆͨ͠ྫ֎্͕͕ͬͨ Βɺࣄલʹొ͓͍ͯͨ͠ॲཧΛߦ͏
ʮ4FOUSZʹྫ֎ใΛૹΔʯ Λࣄલొ͢Δઃఆ
࣮ࡍʹઃఆ͞ΕΔίʔυ
IBOEMFͷͱ͖ྫ֎ΛѲΓͭͿ͢
SFDPSEͷͱ͖࠶SBJTF͢Δ
ࡉ͔͍༷3BJMTΨΠυΛݟͯͶ
͜͜௨͢Δඞཁ͕͋Δʁͳ͍ʁ
ઈରͷਖ਼ղͳ͍͚Ͳ ҰൠతʹͲ͏அ͢ΔͱΑͦ͞͏ʁ
։ൃऀʹྫ֎Λ௨͢Δஅج४ w Ͳ͏͍͏ঢ়گͰΤϥʔ͕ى͖Δ͔Λߟ͑Δ w ྫ9ͷαʔό͕ෆௐˠෆௐΛͪ͜ΒଆͰղফ͢Δ͜ͱͰ͖ͳ͍ w ྫ"1*ΩʔΛؒҧ͍͑ͯͯΤϥʔˠΩʔΛઃఆͤ͠ղফ͢Δ w ରԠͰ͖ͳ͍Τϥʔʹ͍ͭͯ௨͕དྷͯϊΠζʹͳΔͷͰආ͚Δ w
ྫ͑4FOUSZʹXBSOJOHɺEFCVHͳͲͷϨϕϧ͕ઃఆͰ͖ͯ௨ৗͷྫ֎ͱ۠ ผ͢Δ͜ͱ͕Ͱ͖Δ w ࠓճͷྫͰXBSOJOHʹઃఆ͞Εͨྫ֎͕ظؒʹͨ͘͞Μൃੜ͢ΔΑ͏ͳΒ ௨͢ΔɺΑ͏ͳΓํ͕ྑͦ͞͏ʁ ଞͷղ͋Γͦ͏
None
͋Θ࣮ͤͯࢪ͍ͨ͠ɿෆཁͳΤ ϥʔΛ௨͠ͳ͍Α͏ʹௐ͢ Δɺ௨͞ΕͨͷΛτϦΞʔ δͯ͠ॗʑͱରԠͰ͖Δମ੍ͮ ͘Γ
ΤϥʔϖʔδΛ Ͳ͏ͬͯදࣔ͢Δ͔
None
͜ΕͰෆશ
͠SBDLͰ ྫ֎͕ى͖ͨΒʁ
None
3BJMTσϑΥϧτͰ ΤϥʔϖʔδΛදࣔ͢Δ 3BDLϛυϧΣΞΛ༻ҙ͠ ͍ͯΔ
ϖʔδΛදࣔ͢Δ Α͏ͳ൚༻తͳରԠ3BDL ϛυϧΣΞʹͤΔͱ%3:
SFTDVF@GSPN ಛผͳέʔεͰͷΈ͏
ΤϥʔϖʔδΛදࣔ͢Δ 3BDLϛυϧΣΞͬͯͲ͏ ಈ͍͍ͯΔʁ
3"*-4@&/7QSPEVDUJPO SBJMTNJEEMFXBSF
3BDLͰྫ֎Λิͨ͠ΒͲ͏ͳΔʁ w DPO fi HBDUJPO@EJTQBUDITIPX@FYDFQUJPOTͰΤϥʔϖʔδΛදࣔ͢Δ͔൱ ͔͕ܾ·Δ w ςετڥҎ֎σϑΥϧτʮදࣔ͢Δʯʹͳ͍ͬͯΔ w
ςετڥͰɺ3BJMT·Ͱ୯ʹʮදࣔ͠ͳ͍ʯ͕σϑΥϧτͩͬͨ ͕ɺ3BJMT͔Β ʮ"DUJPO%JTQBUDI&YDFQUJPO8SBQQFSSFTDVF@SFTQPOTFTʹଘࡏ͢Δྫ ֎ΫϥεͰ͋Εදࣔ͢Δʯͱ͍͏ઃఆʹͳ͍ͬͯΔ w Τϥʔϖʔδ͕දࣔ͞ΕΔ͜ͱΛςετ͍ͨ͠ϢʔεέʔεʹରԠ͍ͯ͠ Δ
3BDLͰྫ֎Λิͨ͠ΒͲ͏ͳΔʁ w DPO fi HDPOTJEFS@BMM@SFRVFTUT@MPDBMͰσόοά༻ͷΤϥʔϖʔδ͔ຊ൪༻ͷ Τϥʔϖʔδ͔͕ܾ·Δ w ຊ൪༻ͷΤϥʔϖʔδDPO fi
HFYDFQUJPOT@BQQʹઃఆ͞Εͨ3BDLΞϓϦέ ʔγϣϯΛDBMMͨ݁͠Ռ͕දࣔ͞ΕΔ w σϑΥϧτ"DUJPO%JTQBUDI1VCMJD&YDFQUJPOTΠϯελϯε͕ઃఆ͞ Ε͍ͯΔ
3BDLͰྫ֎Λิͨ͠ΒͲ͏ͳΔʁ w "DUJPO%JTQBUDI1VCMJD&YDFQUJPOT "DUJPO%JTQBUDI&YDFQUJPO8SBQQFSSFTDVF@SFTQPOTFTΛݟͯɺྫ֎Ϋϥεʹ ରԠ͢ΔϨεϙϯεεςʔλεΛಘΔ w ରԠ͕ͳ͍ྫ֎ JOUFSOBM@TFSWFS@FSSPS ѻ͍
w ϦΫΤετϑΥʔϚοτ͕IUNMͩͬͨΒɺQVCMJD\εςʔλε^IUNMΛදࣔ͢Δ w ରԠ͢ΔϑΝΠϧ͕ͳ͚Εۭ w ϦΫΤετϑΥʔϚοτ͕KTPOͩͬͨΒA\TUBUVT FSSPS#BE3FRVFTU^A ͷΑ͏ͳ+40/Λฦ͢
ಠࣗͷྫ֎ΫϥεΛରԠ͍ͤͨ͞ͱ͖͜͏ॻ͘
ಈతͳΤϥʔϖʔδΛදࣔ ͔ͨͬͨ͠ΒͲ͏͢Δʁ
DPOGJHFYDFQUJPOT@BQQΛಠࣗͷ 3BDLΞϓϦέʔγϣϯʹ͢Δ͜ͱ ͰಈతͳΤϥʔϖʔδΛ࡞Δ͜ͱ Ͱ͖Δ
ݸਓతʹσϑΥϧτͳ ΈΛͬͯ੩తͳϖʔδ Λදࣔͤ͞Δͷ͕͓͢͢Ί
ಈతͳΤϥʔϖʔδͷσϝϦοτ w ։ൃ࣌ʹຊ൪ͷΤϥʔϖʔδΛݟΔ͜ͱ͕΄΅ͳ͍ w ը໘่͕Ε͍ͯͯؾ͖ͮΒ͍ w ΤϥʔϖʔδΛදࣔ͢ΔϩδοΫʹόά͕͋ͬͯؾ͖ͮΒ͍ w ΤϥʔϖʔδΛදࣔ͢ΔλΠϛϯάͰΤϥʔʹͳΓɺਖ਼͘͠Τϥʔϖʔδ ΛදࣔͰ͖ͳ͍
Ͳ͏ͯ͠ಈతͳΤϥʔ ϖʔδ͕ඞཁͳΒ SBNCVMBODFΛ͏
SBNCVMBODFͷओͳػೳͱϝϦοτ w ϏϡʔςϯϓϨʔτΛར༻ͯ͠ಈతʹΤϥʔϖʔδΛ࡞Ͱ͖Δ w ʮΤϥʔϖʔδΛಈతʹදࣔ͢ΔʯΛࣗ࡞͢ΔͱϋϚΔϙΠϯτΛճආͰ͖ Δ w ΤϥʔϖʔδΛදࣔ͢Δ෦ͷ୯ମςετ͕؆୯ʹॻ͚Δ w ։ൃڥͰΤϥʔϖʔδΛ֬ೝ͢Δ͜ͱ͕Ͱ͖Δ
w FYIUUQMPDBMIPTUSBNCVMBODFOPU@GPVOE
ͱ͍͑·ͩߟ͑Δ͜ͱ͋Δ w ʮ%#ͱଓͰ͖ͳ͍ʯͳͲͷக໋తͳέʔεʹͲ͏ରԠ͢Δ͔ w ද่ࣔΕΛආ͚Δํ๏ w ϏδϡΞϧϦάϨογϣϯςετ
·ͱΊ w 3BJMTΞϓϦέʔγϣϯͰ͍ͭྫ֎Λൃੜͤ͞Δ͔ w ൃੜͨ͠ྫ֎ΛͲͷΑ͏ʹѻ͏͔ w ։ൃऀʹ௨͢Δํ๏ w ΤϥʔϖʔδΛදࣔ͢Δํ๏ w
ͳͲͳͲɺͦΕͧΕ۩ମྫΛަ͑ͯઆ໌͠·ͨ͠ w ࣭ͳͲ͋ͬͨΒ͜ͷ͋ͱXJMMOFUΛั·͑Δ͔ w EJTDPVSTFDMFBOSBJMTPSHʹτϐοΫΛ࡞͍ͬͯΔͷͰίϝϯτ͍ͩ͘͞
IUUQTEJTDPVSTFDMFBOSBJMTPSHUUPQJD