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コンテナ型仮想化入門 / Introduction to container-based virtualization
Yusuke Miyazaki
May 16, 2016
Technology
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200
コンテナ型仮想化入門 / Introduction to container-based virtualization
Yusuke Miyazaki
May 16, 2016
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Transcript
Introduction to container-based virtualization ޒेཛྷɾӬݚڀࣨன৯ձ :VTVLF.JZB[BLJ !૯߹ݚڀ߸ؗ ίϯςφܕԾԽೖ
࣍ w ैདྷͷԾϚγϯʹΑΔԾԽ w ίϯςφܕԾԽͱ w ίϯςφܕԾԽΛ࣮ݱ͢Δٕज़ w %PDLFSͱ w
σϞ
ཧϚγϯ ϋʔυΣΞ ΦϖϨʔςΟϯάγεςϜ ΞϓϦέʔγϣϯ ΞϓϦέʔγϣϯ
ԾϚγϯ 7. w ϗετ04ͷ্Ͱผͷήετ04Λಈ࡞ͤ͞Δٕज़ w ήετ04Λಈ࡞ͤ͞ΔͨΊʹϋʔυΣΞΛ ΤϛϡϨʔτ w ϋΠύʔόΠβͰ7.Λཧ
ԾϚγϯ ϋʔυΣΞ ΦϖϨʔςΟϯάγεςϜ ΞϓϦ ϋΠύʔόΠβ 04 04 ΞϓϦ
ԾԽͷϝϦοτ w ෳͷཧαʔόʔΛ౷߹ w 8JOEPXTPO-JOVYՄೳ w ཧ͕༰қʹ ϚγϯΛϑΝΠϧͱͯ͠ѻ͑Δ
ԾԽͷσϝϦοτ w ԾԽʹΑΔΦʔόʔϔου ಛʹ*0 w ԾԽʹΑΓϚγϯ͕૿͑Δ͜ͱ͕͋Γ ͦͷ߹ͷߏཧ
ԾϚγϯ ϋʔυΣΞ ΦϖϨʔςΟϯάγεςϜ ΞϓϦ ϋΠύʔόΠβ 04 04 ΞϓϦ ^༷ʑͳͰ ߴԽ
ྫ75Y ,FSOFM NPEVMFT
ίϯςφܕԾԽ w ΞϓϦέʔγϣϯΛϗετ04্ͷϓϩηεͱ͠ ࣮ͯߦ w 04ͷΧʔωϧͷػೳΛͬͯ ༷ʑͳϦιʔεΛ֤ίϯςφ͝ͱʹִ
ίϯςφ ίϯςφܕԾԽ ϋʔυΣΞ ΦϖϨʔςΟϯάγεςϜ ΞϓϦέʔγϣϯ ίϯςφ ΞϓϦέʔγϣϯ
ίϯςφܕԾԽͷϝϦοτ w Ϧιʔεͷফඅྔ͕গͳ͍ w ଟ͘ͷίϯςφΛҰͭͷϚγϯͰ w ΞϓϦέʔγϣϯͷΈͷىಈ w Φʔόʔϔου͕গͳ͍ w
ىಈ͕ૣ͍
ίϯςφܕԾԽͷσϝϦοτ w ΧʔωϧΛϗετͱڞ༗͢Δ w %FCJBO্Ͱ$FOU04Λಈ͔ͯ͠ Χʔωϧ %FCJBOͷͷ w 7.ͰՄೳͳ8JOEPXTPO-JOVYෆՄ
Ϧιʔεͷִ w ֤ίϯςφؒͷϦιʔεͷִʹΧʔωϧͷ ػೳΛ༻͍Δ w ੲ͔Β͋ΔDISPPUͷߟ͑ํΛ༷ʑͳϦιʔε ʹ͍֦ͭͯுͨ͠Πϝʔδ w Ҏ߱-JOVYʹ͍ͭͯͷ͓
Ϧιʔεͷִ w -JOVY w OBNFTQBDF NPVOU 1*% 6*% (*% FUDʜ
w DHSPVQT $16 NFNPSZ FUDʜ w ͳͲ
BVGT w BEWBODFENVMUJMBZFSFEVOJpDBUJPO pMFTZTUFN w ϨΠϠʔঢ়ʹͳͬͨ ϑΝΠϧγεςϜ w -JOVYͷ-JWF$%%7%ͳͲͰ࠾༻͞Ε͖ͯͨ w
$%%7%ͷϨΠϠʔͷ্ʹϝϞϦͷ ϨΠϠʔ
% BVGT " & # % $ " $ %`
& -BZFS -BZFS -BZFS ্͔ΒݟΔͱ &` # %` &`
%PDLFS w Ұ൪ྲྀߦͬͯΔίϯςφܕԾԽٕज़ w -JOVYͷίϯςφٕज़ w ಛघͳϑΝΠϧγεςϜ BVGT CUSGTͳͲ
w %PDLFSpMFʹΑΔΠϝʔδͷ࡞ w 8JOEPXT049Ͱར༻͢Δʹ ܰྔͳ-JOVYͷ7.ΛཱͯΔ
%PDLFSͰͷ࡞ۀͷྲྀΕ %PDLFSpMF ΠϝʔδΛ ࡞͢Δͨ ΊͷϨγϐ $ docker build %PDLFSpMFΛ ͱʹΠϝʔδΛ࡞
Πϝʔδ ΞϓϦ ϑΝΠϧ BVGTͳͲ
%PDLFSpMF FROM debian:jessie RUN apt-get install python3 COPY . /app
EXPOSE 80 CMD ["python", "/app/start.py"]
%PDLFSpMFͱBVGTͷରԠ " & # % &` " % & COPY
. /app RUN apt-get install python3 ্͔ΒݟΔͱ # &`
%PDLFSͰͷ࡞ۀͷྲྀΕ Πϝʔδ ΞϓϦ ϑΝΠϧ BVGTͳͲ $ docker pull / push
ΠϝʔδΛϨδετϦ FH%PDLFS)VC ͔Βऔಘ ϨδετϦʹొ Πϝʔδͷ࠶ར༻ %PDLFSpMF ΠϝʔδΛ ࡞͢Δͨ ΊͷϨγϐ
%PDLFSͰͷ࡞ۀͷྲྀΕ %PDLFSpMF ΠϝʔδΛ ࡞͢Δͨ ΊͷϨγϐ $ docker run ΠϝʔδΛͱʹίϯςφΛ ࡞͠ϓϩηεΛىಈ
Πϝʔδ ΞϓϦ ϑΝΠϧ BVGTͳͲ "1 "1 "1
ίϯςφͷ࡞ͱBVGT " & # % &` " % &` ্͔ΒݟΔͱ
$ ίϯςφ͝ͱʹ ࡞ $ COPY . /app RUN apt-get install python3 #