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エンジニアになる覚悟
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Yosuke Furukawa
PRO
June 23, 2018
Programming
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エンジニアになる覚悟
Leveragesで発表したエンジニアになる覚悟の話です。
Yosuke Furukawa
PRO
June 23, 2018
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Transcript
ΤϯδχΞʹͳΔ֮ޛ 2018/06/23 @ ώΧϦΤ Leverages
Twitter: @yosuke_furukawa Github: yosuke-furukawa
2018/11/23 - 24 Node ֶԂࡇ։࠵
ΤϯδχΞʹͳΔ
https://recruit-tech.co.jp/blog/2017/06/07/bootcamp2017/
None
ాਓ͞Μύʔτ ʹ͠ΉͶ͋͞Μύʔτ Զύʔτ Γ͞Μύʔτ
ాਓ͞Μύʔτ ʹ͠ΉͶ͋͞Μύʔτ Զύʔτ क͞Μύʔτ ΤϯδχΞͷ৺ߏ͔͑ΒΞϓϦέʔ γϣϯͷத·ͰΔ
https://speakerdeck.com/rtechkouhou/javascript-bootcamp
JavaScript Bootcamp Ͱڭ͑ͯ ͍Δ͜ͱ • ϦΫϧʔτςΫϊϩδʔζͷ "ϑϩϯτΤϯυΤϯ δχΞ" ͷఆٛͯ͘ਂ͍ •
HTML/CSS/JSΛۦͯ͠ΫϥΠΞϯτΛ࡞Δ *͚ͩͰͳ͍* • ωοτϫʔΫͷࣝαʔόͷجૅࣝ༗͢Δ্ ʹͦΕΒΛ౿·͑ͯαΠτશମͷϢʔβϏϦςΟɾ ύϑΥʔϚϯεΛ্͛Δਓ
ϦΫϧʔτςΫϊϩδʔζͷ ϑϩϯτΤϯυΤϯδχΞ
None
None
None
HTML CSS JS ΣϒΛߏ͢Δݴޠ Backend Language (Java, Go)
DOM Cookie DevTools ϒϥβΛߏ͢Δ༰ CSSOM window navigator Headers
DNS URL HTTP(S) ωοτϫʔΫ WebSocket TCP TLS HTTP/2
Cache Critical- Rendering Path Metrics Tools ύϑΥʔϚϯε Memory CPU I/O
XSS CSRF SQL Injection ηΩϡϦςΟ DoS TLS/SSL
React Angular Redux JS Frameworks Vue.js Polymer
HTML CSS JS DOM Cookie DevTools CSSOM window navigator Headers
DNS URL HTTP(S) WebSocket TCP TLS React Redux Memory CPU I/O DoS TLS/SSL
େมͰ͢Ͷ
Ͱɺ͜Ε͕(ϦΫϧʔτͷ) ϑϩϯτΤϯυΤϯδχΞ ʹͳΔɺͱ͍͏͜ͱͰ͢ɻ
ϑϩϯτ͚ͩͰ͜Ε͚ͩͷ ͕ࣝඞཁɺόοΫΤϯυؚ ΊΔͱ΄΅ແݶͷ͕࣌ؒඞཁ
ແݶͷதͰ༗ݶͷॲཧΛ͢Δ ͷʹඞཁͳͷϚϯύϫʔͰ ղܾ͢ΔͷͰͳ͘ɺ Ϟνϕʔγϣϯ
ͷ߹
શ෦Λ͓ͬͯ͘ඞཁͳ͍ɺ ͱ͍͏ͷͷɺେମͬͯΔ
ৄ͘͠ͳ͍ͷͰ͋ͬͯ 60%ҐͳΒେମͤΔ
Ͳ͏ͬͨΒ͜͏ͳΕΔͷ͔ʁ • ۚݴ
ٕज़ΛֶͿͷͰͳ͘ɺٕज़ͷ ֶͼํΛֶͿ • twadaྲྀ: • ࢛ظ͝ͱʹٕज़ॻΛಡΉ • खΛಈֶ͔ͯ͠Ϳ • গͳ͘ͱ̍ͭ৽͍͠ݴޠΛֶͿ
• ΞτϓοτΛܧଓతʹߦ͏
ٕज़ΛֶͿͷͰͳ͘ɺٕज़ͷ ֶͼํΛֶͿ • twadaྲྀ: • ࢛ظ͝ͱʹٕज़ॻΛಡΉ • खΛಈֶ͔ͯ͠Ϳ • গͳ͘ͱ̍ͭ৽͍͠ݴޠΛֶͿ
• ΞτϓοτΛܧଓతʹߦ͏ ͷ߹
ΤϯδχΞͰ৺͕͚Δࣄ • ΞϓϦέʔγϣϯΛ࡞Ζ͏ • ඇػೳཁ݅ʹͩ͜ΘΖ͏ • ࣝʹ֞ࠜ࡞Βͳ͍
1. ΞϓϦέʔγϣϯΛ࡞Ζ͏
Create Application /PEFֶԂࡇ ॳࢀՃޙʹҙࣝߴ·ͬͯ࡞
·͊·͊ͷڹ
Create Application • ͔ͦ͜Βௐࢠʹͬͯͨ͘͞Μ࡞
Ұ௨ΓNode.jsͬͯԿ͔࡞ ΕΔΑ͏ʹͳͬͨ
Create Application • ࡞ͬͨΒհ͠·ͬͨ͘ɻ
ͳΜͰ͜Μͳ͜ͱ͔ͯͨ͠ʁ
A. ָ͍͔͠Β
࡞Δ ͳΜ͔ษڧ͢Δ ൃද͢Δ ϑΟʔυόοΫ Β͏ ͜͏͍͏ϥΠϑαΠΫϧͰ ָ͘͠ͳ͖ͬͯͨɻ
Կࣄָ͠Ή͜ͱॏཁ
ͨͩͨ·ʹ͜Μͳ͜ͱΛݴΘ ΕΔ͜ͱ͋Δ
3FBDUͱ͔7VFKTͱ͔ҰͰྲྀߦΓഇΓ͕มΘΔ ͷΛΔͷ࣌ؒతʹ͍ͬͨͳ͍ 3BJMTษڧͯ͠·͢ͱ͔$BLF1)1ษڧͯ͠·͢ͱ ͔ݴ͏ͷΊΖɺதͰԿͯ͠Δ͔Θ͔͔ͬͯΒ͑ 999Φϫίϯɺ:::͑ ;;;ͷ͕͍͍ͧ
3FBDUͱ͔7VFKTͱ͔ҰͰྲྀߦΓഇΓ͕มΘΔ ͷΛΔͷ࣌ؒతʹ͍ͬͨͳ͍ 3BJMTษڧͯ͠·͢ͱ͔$BLF1)1ษڧͯ͠·͢ͱ ͔ݴ͏ͷΊΖɺதͰԿͯ͠Δ͔Θ͔͔ͬͯΒ͑ 999Φϫίϯɺ:::͑ ;;;ͷ͕͍͍ͧ Ұฉ͔ͳͯ͘ྑ͍
൷Λ͍ͯ͠ΔਓΑΓԿ͔ Λ࡞͍ͬͯΔਓͷ͕ѹతʹ ଚ͍ɺϞνϕʔγϣϯΛམͱ ͢ඞཁͳ͍
ݟͨΓฉ͍ͨΓͯ͠ಘͨࣝ ΑΓॻ͍ͨΓಈ͔ͨ͠Γ͠ ͯಘͨܦݧͷ͕ੜ͖ͨใ
ٕज़ʹݶΓ͕ͳ͍ɺͲΜͳ ͷʹϝϦοτͱσϝϦο τ͋Δ͠ɺͦΕΒͬͯ Έͳ͍ͱຊΘ͔Βͳ͍ɻ
ͬͯΈͯࣗʹٕ͋ͬͨज़ Λݟ͚͍ͭͯ͘ͷ͕ॏཁ
2. ඇػೳཁ݅ʹͩ͜ΘΖ͏
ඇػೳཁ݅ • ηΩϡϦςΟ • XSS/XSRF/DoS etc • ੑೳ • SPA/PWA/AMP
etc • ϝϯςφϯαϏϦςΟ • ςετॻ͘/e2e/storyboard etc
ػೳཁ݅Λຬͨͯ͠ظʹ ΘΕΔதͰͲ͜·Ͱඇػೳཁ ݅ΛೖΕࠐΊΔ͔ͱ͍͏ͷ͕ ΤϯδχΞͷҰछͷೳྗ
ͷ߹
ύϑΥʔϚϯενϡʔχϯά େ͖ͩͬͨ
ύϑΥʔϚϯενϡʔχϯά • όοΫΤϯυͷσʔλϕʔεͱ͔શจݕࡧ෦ ͷνϡʔχϯάͬͯresponseͷ࣌ؒΛ ͘͢Δͷ͕ࣄͩͬͨɻ
ύϑΥʔϚϯενϡʔχϯά • όοΫΤϯυͷσʔλϕʔεͱ͔શจݕࡧ෦ ͷνϡʔχϯάͬͯresponseͷ࣌ؒΛ ͘͢Δͷ͕ࣄͩͬͨɻ ͕͜͜Զͷઓ͏ॴ
Ͱ
ରԠϒϥβΛ IE => Chrome ʹ֦େͨ͠ͱ͖ͷ͜ͱ
രʹͳͬͨ
ϑϩϯτΤϯυͷٕज़͕ਐา ͢Δͱͷͬͯͨ͜ͱޡ ࠩʹมΘ͍ͬͯͬͨɻɻɻ
ඇػೳཁ݅Ͱੜ͖͍ͯͨࣗ ͕ॳΊͯܦݧͨ͠িܸ
࣮ࡍʹUXΛ࠷ߴʹ͢ΔͳΒ ϑϩϯτ͔ΒόοΫΤϯυ· Ͱશ෦ࣝΔඞཁ͕͋ΔΜͩͱ ͬͨ
None
ϦΫΤετ͔ΒϨεϙϯε·ͰͰͳ͘ɺϖʔδ͕ಡΈ ࠐ·Ε࢝Ί͔ͯΒϢʔβʔͷظΛಘΔ·Ͱɻ
͔ͦ͜ΒϑϩϯτΤϯυʹڵຯ Λ࣋ͬͨ • Node.jsJavaScriptֶ΅͏ͱͯͬͯͨ͠Β ָ͘͠ͳͬͯͬͯͨ • ϑϩϯτͰͳΜ͔ΞϓϦ࡞͍͕ͬͯͨɺ࣮ ࡍʹస৬ͯ͠ػձΛ࡞࣮ͬͯࢪͨ͠ • ͔͚ͯɺͰ͖ΔΑ͏ʹͳͬͨ
ඇػೳཁ݅ʹͩ͜ΘΖ͏ɻ
ඇػೳཁ݅ʹͩ͜ΘΔͱجૅ ͷ͜ͱΛΔඞཁ͕ग़ͯ͘Δ
ඇػೳཁ݅ • ੑೳ => ϒϥβͷதͷಈ͖ɺCPUɺmemoryɺωοτϫʔΫɺ ΞϧΰϦζϜ etc etc • ηΩϡϦςΟ
=> OS, middlewareͷதͷಈ͖ɺCPU, memory, etc etc • ϝϯςφϯαϏϦςΟ => ઃܭɺݴޠ༷ɺςετɺΞʔΩςΫνϟɺ etc etc
ඇػೳཁ݅ • ΞϓϦέʔγϣϯΛ࡞Ζ͏ • ͦͷޙͰඇػೳཁ݅ʹͩ͜ΘΖ͏ • ͦ͏͢ΔͱجૅͱԠ༻ͷ྆ํʹৄ͍͠ਓʹͳ ΕΔ
3. ࣝʹ֞ࠜΛ࡞Βͳ͍
ࣝʹ֞ࠜΛ࡞Βͳ͍ • Dev / Ops Ͱͳ͘ Dev Ops • Engineer
/ Designer Ͱͳ͘ Engineer Designer • Backend / Frontend Ͱͳ͘ Backend Frontend
ࣝʹ֞ࠜΛ࡞Βͳ͍ • ཧIࣈܕΑΓTࣈܕ • Ұݸ࣠Λ࡞͔ͬͯͦ͜Β͛Δ
ࣝʹ֞ࠜΛ࡞Βͳ͍ • Tࣈܕͷਓ͕૿͍͖͍ͯͨ͠ɻ • զʑͷֶͿ͜ͱଟ͍ɺͰTࣈܕͷਓ͕૿͑ΕͦͷΧόʔͰ ͖Δɻ Designer FE BE
ͷ߹
ׂͱͳΜͰ͖ • Πϯϑϥ͖ • όοΫΤϯυ͖ • ϓϩάϥϛϯάݴޠͦͷͷ͖ • ϓϩμΫτΛߏங͢Δͷ͖ •
σβΠϯܥͷπʔϧษڧͯ͠Δ
ׂͱͳΜͰ͖ • Πϯϑϥ͖ • όοΫΤϯυ͖ • ϓϩάϥϛϯάݴޠͦͷͷ͖ • ϓϩμΫτΛߏங͢Δͷ͖ •
σβΠϯܥͷπʔϧษڧͯ͠Δ ͳΜͰΔඞཁͳ͍ɺͰ ح৺ʹ֞ࠜ࡞ͬͯ΄͘͠ͳ͍ɻ
ࣝʹ֞ࠜΛ࡞Βͳ͍
ࣝʹ֞ࠜΛ࡞Βͳ͍ • ͪ;Δ 13 ר ࡩ ਯʮ͜ΕͱܾΊͨಓͰΒͳͯ͘ ྑ͍͜ͱͳΜ͔̍ͭͳ͍ΘΑʯ
֮ޛΛ࣋ͱ͏ • ΞϓϦέʔγϣϯΛ࡞Ζ͏ • ඇػೳཁ݅ʹͩ͜ΘΖ͏ • ࣝΛᩦཉʹ࣋ͬͯௐΑ͏ • ͜ΕΛܧଓతʹΓଓ͚Α͏
֮ޛΛ࣋ͱ͏ • ΞϓϦέʔγϣϯΛ࡞Ζ͏ • ඇػೳཁ݅ʹͩ͜ΘΖ͏ • ࣝΛᩦཉʹ࣋ͬͯௐΑ͏ • ͜ΕΒΛܧଓతʹΓଓ͚Α͏ ྑ͍ΤϯδχΞʹͳΔͷʹۙಓͳΜ
͔ແ͍͠ɺ֮ޛΛ࣋ͭඞཁ͕͋Δ
·ͱΊ
·ͱΊ • ϑϩϯτΤϯυΤϯδχΞͨͩը໘Λ࡞Δ͚ͩͷਓ͡Όͳ ͍ • αΠτશମͷϢʔβϏϦςΟɾύϑΥʔϚϯεΛߟ͑Δਓ • ৺͕͚ͯ΄͍͜͠ͱ • ΞϓϦέʔγϣϯΛ࡞Ζ͏
• ඇػೳཁ݅ʹͩ͜ΘΖ͏ • ࣝʹ֞ࠜΛ࡞Βͳ͍Α͏ʹ͠Α͏
·ͱΊ • ϑϩϯτΤϯυΤϯδχΞͨͩը໘Λ࡞Δ͚ͩͷਓ͡Όͳ ͍ • αΠτશମͷϢʔβϏϦςΟɾύϑΥʔϚϯεΛߟ͑Δਓ • ৺͕͚ͯ΄͍͜͠ͱ • ΞϓϦέʔγϣϯΛ࡞Ζ͏
• ඇػೳཁ݅ʹͩ͜ΘΖ͏ • ࣝʹ֞ࠜΛ࡞Βͳ͍Α͏ʹ͠Α͏ ͜ΕͱܾΊͨಓͰΒͳͯ͘ ྑ͍͜ͱͳΜ͔̍ͭͳ͍
Thank You!!!