コンテナ入門 - Speaker Deck

コンテナ入門

by Shu Adachi

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ࣗݾ঺հ ೔ຊ*#.ΧελϚʔɾαΫηεɾϚωʔδϟʔ ଍ཱਹ 4IV"EBDIJ -JOLFE*O 5XJUUFS ໺த༎ଠ :VUB/POBLB -JOLFE*O 5XJUUFS

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ຊ೔ͷ໨తͱΰʔϧ n ໨త – ࠲ֶɾσϞΛ௨ͯ͠ɺίϯςφͱ͸Կ͔ɺಛ௃΍ར఺Λ͓఻͑͢Δ n ΰʔϧ – ίϯςφʹ͍ͭͯ z஌Βͳ͍z͔Β zͳΜͱͳ͘஌ͬͯΔz – σϞγφϦΦΛຊηογϣϯऴྃޙʹࢼͯ͠΋Β͏ n ର৅ऀ – ίϯςφٕज़ʹڵຯͷ͋Δॳֶऀ *#.$PSQPSBUJPO

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4MJEP΁ *#.$PSQPSBUJPO IUUQTBQQTMJEPFWFOUK5L2XIP'5EXBTOC"1 &WFOU$PEFEPKPQN n 23ίʔυΛಡΈऔΔ͔ɺ8FCFYΑΓ͝ճ౴͍ͩ͘͞

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࠲ֶΞδΣϯμ *#.$PSQPSBUJPO ʮίϯςφʯʹೖΔલʹ • $MPVE/BUJWFʹ͍ͭͯ ίϯςφٕज़ͱ͸ • ίϯςφ֓ཁ • ίϯςφͷ࢓૊Έ • ίϯςφΤϯδϯ • ίϯςφͷϝϦοτ • ίϯςφԽͷ஫ҙ఺ σϞ ·ͱΊ

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$MPVE/BUJWFͷఆٛ $/$' $MPVE/BUJWF$PNQVUJOH'PVOEBUJPO ͷܝ͛Δࢥ૝ͷݩʹɺ໿ͷ*5ؔ࿈ஂମ͕ू݁ ͯ͠׆ಈ͍ͯ͠·͢ɻ ͭ·Γɺ$/$'ͷఆٛ͸ۀքͱͯ͠ެࣜͳݟղͱΈͳ͢͜ͱ͕Ͱ͖·͢ɻ ҎԼ͸(JU)VCʹͯެ։͞Ε͍ͯΔ$MPVE/BUJWCFͷఆٛͰ͢ɻ IUUQTHJUIVCDPNDODGUPDCMPCNBJO%&'*/*5*0/NE ఆٛ͸͋Δ͚ͲɺΑ͘Θ͔Βͳ͍ʜ *#.$PSQPSBUJPO

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$MPVE/BUJWFͷ໨త *#.$PSQPSBUJPO ໨తͱͯ͠͸ʮΫϥ΢υΛపఈతʹར༻ͯ͠Ϗδωε՝୊Λղܾ͠ɺސ٬ମ ݧΛ޲্ͤ͞Δʯ͜ͱͰ͢ɻ ߟ͑ํ΍ϓϩηεΛ͜Ε·Ͱͷʮσʔληϯλʔͱͯ͠ͷΫϥ΢υʯ͔Β ʮϏδωε্ͷࠩผԽཁҼͱͯ͠ͷΫϥ΢υʯʹҠߦ͍͖ͯ͠·͢ɻ Ϋϥ΢υωΠςΟϒʹΑͬͯࠩผԽΛਤΕΔཧ༝͸ʁ ࢢ৔ͷχʔζΛଊ͑ͨਝ଎ͳΞϓϦέʔγϣϯͷ։ൃɾຊ൪ϦϦʔεΛ ࣮ݱग़དྷΔ͔ΒͰ͢ɻ

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਎ۙͳੈքʹ͓͚Δίϯςφ ਎ۙͳͱ͜ΖͰ͸ɺೖΕ෺΍༰ثΛࢦ͠େ͖͞ɾ༻్͸͞·͟·Ͱ͢ɻ ͳͯ͘΋໰୊͸ͳ͍Ͱ͕͢ɺ͋Ε͹੔ཧͯ͠ ݶΒΕͨεϖʔεΛ༗ޮ׆༻Ͱ͖ͨΓͱԿ͔ͱศརͰ͢ɻ Ҡಈ͢Δࡍ΋த਎ΛͭͮͭҠಈ͢ΔͷͰ͸ͳ͘ ༰ثΛಈ͔͚ͩ͢ͳͷͰָͰ͢Ͷɻ *#.$PSQPSBUJPO ϓϥενοΫͷίϯςφΛ૝૾͢Δਓ΋ ଟ͍ͷͰ͸ͳ͍Ͱ͠ΐ͏͔ʁ

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෺ྲྀۀքʹ͓͚Δίϯςφ ߦ͖ઌ͝ͱʹίϯςφʹՙ෺Λ·ͱΊɺίϯςφ୯ҐͰ ધ΍ྻं΍τϥοΫʹͦͷ··ੵΈࠐΈɺ໨త஍ʹӡͼ·͢ɻ ଟ͘ͷखॱͱϧʔϧͰӡ༻͞Ε͓ͯΓɺαΠζ΍༻్ͳͲΛࠃࡍతʹ ඪ४Խ͍ͯ͠·͢ɻ ͦΕʹΑΓɺେྔͷ՟෺ΛՄೳͳݶΓૣ͘௿ίετͰ؆୯ʹͦͯ͠ ҆શʹӡͿ͜ͱ͕࣮ݱͰ͖͍ͯ·͢ɻ ͜ͷΑ͏ʹ෺ྲྀۀքͰ͸ʮίϯςφʯʹΑΔ෺ྲֵ໋ྀ͕͓͖·ͨ͠ɻ ੈلͷ࠷େͷൃ໌඼ͱ΋͍ΘΕ͍ͯ·͢ *#.$PSQPSBUJPO

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*5ʹ͓͚Δίϯςφ *#.$PSQPSBUJPO *5Ͱ΋ίϯςφͷ֓೦͸ҰॹͰ༰ثͰ͢ɻ ͦͷ༰ثʹೖΕΔ΋ͷ͸ɺΞϓϦέʔγϣϯͱΞϓϦέʔγϣϯΛಈ࡞ ͤ͞Δͷʹඞཁͳϛυϧ΢ΣΞ΍ϥΠϒϥϦͳͲʹͳΓ·͢ɻ ෺ྲྀͷίϯςφͱಉ༷ʹࠝแ͢ΔͨΊͷϧʔϧ͕ఆ·͍ͬͯ·͢ɻ ΞϓϦέʔγϣϯ ϛυϧ΢ΣΞ ϥΠϒϥϦ

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ίϯςφͷ࢓૊Έ શମ૾ *#.$PSQPSBUJPO ίϯςφΤϯδϯ

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ίϯςφΤϯδϯ ίϯςφͷ࢓૊Έ ࠝแ *#.$PSQPSBUJPO खॱॻΛݩʹඞཁͳ΋ͷΛࠝแ͠·͢ɻ ͜ͷ࡞ۀΛʮϏϧυ #VJME ʯͱݺͼɺ खॱॻͷ͜ͱΛʮ%PDLFSGJMF$POUBJOFSGJMFʯͱݺͼ·͢ɻ

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ίϯςφΤϯδϯ ίϯςφͷ࢓૊Έ λά *#.$PSQPSBUJPO ࠝแͨ͠΋ͷΛʮΠϝʔδ *NBHF ʯͱݺͼɺ อ؅͢ΔͨΊʹ૔ݿ΁ͷૹ෇ঢ়ΛషΓ෇͚·͢ɻ ͜ͷ࡞ۀΛʮλά෇͚ 5BH ʯͱݺͼ·͢ɻ

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ίϯςφΤϯδϯ ίϯςφͷ࢓૊Έ ൃૹ *#.$PSQPSBUJPO ૹ෇ঢ়ʹهࡌ͞Ε͍ͯΔ૔ݿʹҠಈ͠·͢ɻ ͜ͷ࡞ۀΛʮϓογϡ 1VTI ʯͱݺͼɺ ૔ݿͷ͜ͱΛʮϨδετϦ 3FHJTUSZ ʯͱݺͼ·͢ɻ

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ίϯςφΤϯδϯ ίϯςφͷ࢓૊Έ ࣮ߦ *#.$PSQPSBUJPO ૔ݿ͔Βग़ݿͯ͠։ࠝͯ͠ར༻͠·͢ɻ ग़ݿ࡞ۀΛʮϓϧ 1VMM ʯͱݺͼɺ ։ࠝͯ͠ར༻͢Δ͜ͱΛʮϥϯ 3VO ʯͱݺͼ·͢ɻ

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ίϯςφͷ࢓૊Έ ίϯςφΤϯδϯ *#.$PSQPSBUJPO ίϯςφΤϯδϯ Ϣʔβʔ͔ΒͷࢦࣔΛड͚औΓ֤छ࡞ۀΛ࣮ߦͯ͘͠Ε·͢ɻ ͜ͷ͜ͱΛʮίϯςφΤϯδϯʯͱݺͼ·͢ɻ

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࠲ֶΞδΣϯμ *#.$PSQPSBUJPO ʮίϯςφʯʹೖΔલʹ • $MPVE/BUJWFͷఆٛͱ໨త ίϯςφٕज़ͱ͸ • ίϯςφ֓ཁ • ίϯςφͷ࢓૊Έ • ίϯςφΤϯδϯ • ίϯςφͷϝϦοτ • ίϯςφԽͷ஫ҙ఺ σϞ ·ͱΊ

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ίϯςφΤϯδϯʹ͍ͭͯ΋͏গ͠ ίϯςφΤϯδϯʹ͸͍͔ͭ͘छྨ͕͋Γ·͕͢ɺ ͦͷதͰ΋༗໊ͳͷ͕%PDLFSࣾͷ։ൃ͢Δʮ%PDLFSʯͰ͢ɻ %PDLFSʹ͸%PDLFS%FTLUPQͱ͍͏(6*Ͱૢ࡞Ͱ͖Δ ศརͳΞϓϦέʔγϣϯ΋ఏڙ͞Ε͍ͯ·͢ɻ ͔͠͠ɺແঈͰ࢖͍͑ͯͨσεΫτοϓΞϓϦ͸ ೥݄೔͔ΒҰఆن໛Ҏ্ͷاۀͰͷར༻͕༗ྉԽ͞Ε·ͨ͠ɻ IUUQTXXXEPDLFSDPNCMPHVQEBUJOHQSPEVDUTVCTDSJQUJPOT *#.$PSQPSBUJPO

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ίϯςφΤϯδϯʹ͍ͭͯ΋͏গ͠ ͦ͜Ͱࠓճ঺հ͢Δͷ͸ͻͱͭͷ୅ସखஈͱͯ͠ͷʮ1PENBOʯͰ͢ɻ 1PENBO͸3FE)BU͕ࣾ։ൃ͠ɺݱࡏ͸Φʔϓϯιʔεͱͯ͠ެ։͞Εͯ ͍·͢ɻ ΋ͪΖΜσεΫτοϓΞϓϦ΋͋Γ·͢ʂ %PDLFSͱൺֱͨ͠1PENBOͷڧΈΛҰ෦঺հ • ΦʔϓϯιʔεͷͨΊɺແঈͰར༻Մೳ • ίϯςφ࣮ߦʹSPPUݖݶ͕ඞཁͳ͍ͨΊɺηΩϡϦςΟ΍؅ཧੑΛ޲্Մೳ • %PDLFSͱͷޓ׵ੑ͕ߴ͍ͨΊɺ%PDLFSͰ࢖͍ͬͯΔίϚϯυΛྲྀ༻Մೳ *#.$PSQPSBUJPO

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ίϯςφͷಛ௃ ίϯςφ͸ҎԼͷಛ௃Λ͍࣋ͬͯ·͢ɻ • ܰྔ • εέʔϥϒϧ • ։ൃޮ཰ͷ޲্ • ϚΠΫϩαʔϏεͱͷ਌࿨ੑ͕ߴ͍ • Πϛϡʔλϒϧͳӡ༻͕Մೳ • %FW0QTͷ࣮ݱ *#.$PSQPSBUJPO ࠓ೔͸͜͜Λਂ۷Γ͓ͯ͠࿩͠͠·͢

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ίϯςφ͸ܰྔ ίϯςφ͸04Λඞཁͱ͠ͳ͍෼ɺͱͯ΋ܰྔͰ͢ɻ Ծ૝αʔόʔͱൺֱ͢Δͱίετޮ཰ʹ༏Ε͍ͯ·͢ɻ *#.$PSQPSBUJPO Ծ૝Խαʔόʔ 04 ϛυϧ΢ΣΞ ΞϓϦ ϥΠϒϥϦ ίϯςφ ϛυϧ΢ΣΞ ΞϓϦ ϥΠϒϥϦ

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ίϯςφ͸εέʔϥϒϧ ൟؓʹ߹ΘͤͯγεςϜߏ੒Λॊೈʹมߋ͢Δ͜ͱ͕ՄೳͰ͢ɻ ·ͨɺίϯςφ͸ܰྔͳͷͰεέʔϧΞ΢τʹ͔͔Δ࣌ؒ΋αʔόίε τ΋཈͑Δ͜ͱ΋ՄೳͰ͢ɻ *#.$PSQPSBUJPO ϋʔυ΢ΣΞ ίϯςφΤϯδϯ ϗετ04 ϛυϧ΢ΣΞ ΞϓϦ ϥΠϒϥϦ ϛυϧ΢ΣΞ ΞϓϦ ϥΠϒϥϦ ϋʔυ΢ΣΞ ϋΠύʔόΠβʔ ϗετ04 04 ϛυϧ΢ΣΞ ΞϓϦ ϥΠϒϥϦ 04 ϛυϧ΢ΣΞ ΞϓϦ ϥΠϒϥϦ Ծ૝ϚγϯͰ΋ಉ͡ ༷ͳ͜ͱ͸Ͱ͖Δ͕ɺ ࣌ؒ΋ίετ΋͔͔ Δ

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ίϯςφ͸։ൃޮ཰͕ߴ͍ • ϩʔΧϧ؀ڥͰ͸ಈ࡞ͯͨ͠ͷʹ ςετ؀ڥͰ͸ಈ͔ͳ͍ • ౎౓ɺ؀ڥΛߏங͢Δͷ͕େม • ؀ڥ͝ͱͷҠಈ͕େม *#.$PSQPSBUJPO ಈ࡞؀ڥ ΞϓϦ ಈ࡞؀ڥ ΞϓϦ ಈ࡞؀ڥ ΞϓϦ ߏங࡞ۀ ߏங࡞ۀ ߏங࡞ۀ ϩʔΧϧ؀ڥ ςετ؀ڥ ຊ൪؀ڥ ಈ࡞؀ڥ ΞϓϦ ϩʔΧϧ؀ڥ ςετ؀ڥ ຊ൪؀ڥ ಈ࡞؀ڥ ΞϓϦ ಈ࡞؀ڥ ΞϓϦ ߏங࡞ۀ ߏங࡞ۀ ߏங࡞ۀ • ಈ࡞ʹඞཁͳ΋ͷ͕ύοέʔδԽ͞Ε ͍ͯΔ͔ΒͲͷ؀ڥͰ΋ಉ༷͡ʹಈ͘ • ಈ࡞؀ڥ΋಺แ͞Ε͍ͯΔ͔Βߏங࡞ ۀ͕ෆཁ • ύοέʔδԽ͞Ε͍ͯΔ͔ΒҠಈ΋ָ

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ίϯςφԽͷ஫ҙ఺ *#.$PSQPSBUJPO ΞϓϦέʔγϣϯͷಛੑʹΑͬͯ͸ίϯςφԽͷʮ޲͖ʯʮෆ޲͖ʯ͕͋Γ·͢ɻ ίϯςφԽ͕Մೳ͔ʁϝϦοτΛڗडͰ͖Δ͔ʁ͜ΕΛݟۃΊΔඞཁ͕͋Γ·͢ɻ ϚΠΫϩαʔϏεԽ͕Մೳ͔ʁ – ػೳຖʹ෼཭͞ΕͨϚΠΫϩαʔϏε͕ίϯςφʹ޲͍͍ͯ·͢ɻ ෼ׂ͕ՄೳͳΒܭըతʹίϯςφԽ͍͖ͯ͠·͠ΐ͏ɻ ϦϦʔεස౓͸ߴ͍͔ʁ – සൟͳߋ৽͕͋ΔͳΒίϯςφԽ͢ΔϝϦοτΛڗडͰ͖·͢ɻ γεςϜཁ݅Λຬ͍ͨͯ͠Δ͔ʁ – αʔυύʔςΟ੡ͷ΋ͷͰϥΠηϯε΍ಈ࡞ཁ݅Ͱίϯςφಈ࡞͕ڐՄ͞Ε͍ͯ ͳ͔ͬͨΓอূ͞Εͳ͍έʔε΋͋Γ·͢ͷͰͦ͜͸஫ҙ͠·͠ΐ͏ɻ

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ίϯςφͷ࢓૊ΈΛ1PENBO %FTLUPQͰσϞ *#.$PSQPSBUJPO ίϯςφΤϯδϯ 1PENBO #VJME 5BH 1VTI 1VMM 3VO

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ίϯςφԽͷσϝϦοτ *#.$PSQPSBUJPO ίϯςφԽͷσϝϦοτ͸ɺϚΠΫϩαʔϏεԽʹΑͬͯࡉ͔͘෼ׂ͞ΕΔ͕ނʹ ӡ༻͕ෳࡶԽ͠΍͍͢͜ͱͰ͢ɻ αʔόʔ ਺͕গͳ͚Ε͹ͲͷαʔόʔͰɺ Ͳ͏͍ͬͨ༻్ͷίϯςφ͕ಈ࡞ ͍ͯ͠Δͷ͔೺Ѳ͠ͳ͕Β؅ཧ΋ ՄೳͰ͢ɻ ͔͠͠ɺ਺͕૿͑ΔͱͲͷαʔόʔ ʹͲ͏͍ͬͨ༻్ͷίϯςφ͕ಈ࡞ ͍ͯ͠Δͷ͔೺Ѳ͕ࠔ೉ʹͳΓ·͢ɻ αʔόʔ αʔόʔ αʔόʔ αʔόʔ αʔόʔ αʔόʔ αʔόʔ αʔόʔO

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·ͱΊ n $MPVE/BUJWF͸ࢢ৔ͷมԽʹॊೈʹରԠ͢Δ໨త͕͋Δ n ͦͷͨΊʹ͸ίϯςφٕज़͸ඞਢʹͳΔ n ίϯςφʹ͸ΞϓϦ΍ಈ࡞ʹඞཁͳ෦඼͕ೖ͍ͬͯΔ n ίϯςφʹ͸औΓѻ͍ํ ϧʔϧ ͕ఆΊΒΕ͍ͯΔ n ίϯςφ͕૿͑ΔͱΦʔέετϨʔγϣϯπʔϧͷ׆༻͕ඞཁ *#.$PSQPSBUJPO

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ॳΊͯͷ#MVF(SFFO%FQMPZNFOU։࠵ʂ *#.$PSQPSBUJPO IUUQTJCNEFWFMPQFSDPOOQBTTDPNFWFOU

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ࢀߟ63- *#.$PSQPSBUJPO $/$'$MPVE/BUJWF%FGJOJUJPOW ϦϯΫ Ϋϥ΢υɾωΠςΟϒجૅ஌ࣝղઆ ϦϯΫ 1PENBO %FTLUPQͷެࣜΠϯτϩ ϦϯΫ σϞͷखॱࢿྉ ϦϯΫ 1PENBO %FTLUPQͷΠϯετʔϧखॱ 8JOEPXT ϦϯΫ 1PENBO %FTLUPQͷΠϯετʔϧखॱ .BD ϦϯΫ

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͝ࢀՃ͋Γ͕ͱ͏͍͟͝·ͨ͠ ͪΐͬͱ࿩ฉ͖͍ͨʂͳͲ ͓ؾܰʹ4/4Ͱ࣭͝໰͍ͩ͘͞ ଍ཱਹ 4IV"EBDIJ -JOLFE*O 5XJUUFS ໺த༎ଠ :VUB/POBLB -JOLFE*O 5XJUUFS