ゆるいdocker-composeでプロダクション環境を運用したるでっ

by T.Nishimura

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# ΏΔ͍docker-composeͰ  ϓϩμΫγϣϯ؀ڥΛӡ༻ͨ͠ΔͰͬ!

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## ಥવͰ͕͢docker࢖ͬͯ·͔͢?? ๻͸ຖ೔࢖ͬͯ·͢^^

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## ͬͱͦͷલʹࣗݾ঺հ • ੢ଜ ୓ඒ (@takumiio) • ࣗশ;Δͨͬ͑͘͢Μ͡ʹ͋ • ൒೥લʹגࣜձࣾLESTAS(http://lestas.jp/)  (چձ໊ࣾ:໊ೖΕ੡࡞ॴ)ʹδϣΠϯ • takumi.io΋ӡӦͯ͠·͢ • ΊͬͪΌۓு͍ͯ͠·͢ɻ  ॳΊͯͷొஃ&౾෗ϝϯλϧͳͷͰੜ ஆ͘ݟकͬͯ΍͍ͬͯͩ͘͞…

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## docker-compose  ศརͰ͢ΑͶ

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## docker-composeͷศརͳͱ͜Ζ • docker-compose.yml༻ҙ͢Δ͚ͩͰ·Δ͝ͱ ؀ڥ༻ҙ • طଘͷ؀ڥʹӨڹ͞Εͳ͍ͷͰϓϩδΣΫτϝ ϯόʔશһͷ։ൃ؀ڥߏங΋ͱͬͯ΋؆୯

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## Ͱ΋…ࡢࠓͷϓϩμΫγϣϯͷ  ؀ڥ͸ͱ͍͏ͱ…

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• ʮ͏ͪ͸capistorano͔ͭͬͯΔʯ • ʮखಈ(·ͨ͸ϦϞʔτ)Ͱgit pullʯ • ʮ͋͊͊͊Δ͌͌͌͢Μ͎͎͎͘ (rsync)ʯ • ʮFTPͰ͢(ŝžŕ)ʯ ※Սۭͷ࿩Ͱ͕͢શͯܦݧͯ͠·͢

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## ։ൃͰdocker࢖ͬͯͯ΋  ϓϩμΫγϣϯͰ࢖ͬͯͳ͍ͬ!!

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## ϓϩμΫγϣϯͰ࢖͑ͳ͍ཧ༝ྫ • ϓϩμΫγϣϯ΁ͷಋೖෑډ͕ߴ͍ • Kubernetesͱ͔ผ్ίϯςφ΍Ϋϥ΢υͷ஌ࣝඞཁͱ͔ • ϓϩμΫγϣϯ༻ͷίϯςφΠϝʔδ  (௨শΰʔϧσϯΠϝʔδ)͕༻ҙͰ͖ͳ͍ • Θ͔ΔɻΊΜͲ͍͘͞ΑͶɻ • uptime͕1000day௒͔͑ͨΒdockerೖΕͯ࠶ىಈͨ͘͠ͳ͍ • ஌ΒΜ͕n Ͱ΋ͦͷ؀ڥΛ࠶ىಈ͢Δͷ͕ා͍ͬͯؾ࣋ͪ͸Θ͔Γ· ͢

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͝ఏҊ͕͋Γ·ͬ͢!!

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͍ͬͦͷ͜ͱ  ΏΔ͍docker-compose  Ͱӡ༻ͯ͠Έ·͠ΐ͏!!

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## ΏΔ͍docker-composeͱ͸ • ։ൃͰ࢖ͬͯΔdocker-composeΛͪΐͬ͜ͱฤूͯ͠  ϓϩμΫγϣϯ΁ • ׬શͳΰʔϧσϯΠϝʔδͷ࡞੒Λ໨ࢦ͞ͳ͍   (ϘϦϡʔϜ͔ͭͬͯ΋͍͍͠ɺίϯςφͷαΠζ΋ؾʹ͠ͳ͍ͬ) • ͦͷ͔ΘΓগʑͷμ΢ϯλΠϜΛڐ༰  (޻෉͍ͩ͠Ͱ͍͔Α͏ʹͰ΋ΧόʔͰ͖ΔΑ) • docker-compose.yml͚ͩͰ׬݁  (΋ͪΖΜDockerﬁle࡞Γ͍ͨͳΒ࡞ͬͯ΋OKΑὑ)

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## ϝϦοτ

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## ϝϦοτ • ։ൃ؀ڥͷ؀ڥΛϓϩμΫγϣϯʹͦͷ··υΥϯͱߏஙͰ͖Δ • γϯϓϧ  docker-compose up -d Ͱࠓ೔͔Β͋ͳͨ΋ϓϩμΫγϣϯ • ಥવͷࢮ͘Β͍ͳΒ෮چͰ͖Δ!! ͔΋… (restart: always) • όʔδϣϯμ΢ϯ΋؆୯!!  (image: foo:0.0.2 -> foo:0.0.1 ͚ͩͰΦοέʔ!   ϘϦϡʔϜ࢖ͬͯΔͳΒ git checkout ͰOK!!) • ςδϡϯγϣ??docker-compose.ymlݟ͍ͯͩ͘͞

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## σϝϦοτ

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## σϝϦοτ • KubernetesͳͲͷΨν੎πʔϧͱൺ΂Δͱශऑ • େ͖ͳίϯςφͩͱॏ͘ͳͬͨΓಥવͷࢮͷ্ཱ͕͕֬Δ • μ΢ϯλΠϜ͕ൃੜ͠΍͍͢ • ίϯςφͷࢮ = αʔϏεఀࢭ • ෳ਺ͷϗετΛލ͙ͳͲ  ෳࡶͳ͜ͱΛ͠Α͏ͱ͢Δͱ٧Ή…͔΋͠Εͳ͍

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## Ͱ΋େৎ෉ͩͲΜ!! σϝϦοτ͸޻෉࣍ୈͰ͋Δఔ౓૬ࡴͰ͖ΔͲΜ!!

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## ޻෉ྫ • μ΢ϯλΠϜରࡦ • CDN with ΩϟογϡͰΈ͔͚ͷμ΢ϯλΠϜΛ཈੍ • docker-compose down ͢Δલʹ docker-compose pull ͠ͱ͘ • ಥવͷࢮରࡦ • Քಈͤ͞ΔαʔόͷεϖοΫΛ্͓͛ͯ͘ • සൟʹμ΢ϯ͢ΔΑ͏ͳΒίϯςφΠϝʔδͷόʔδϣϯΛ  ࠷ޙʹ҆ఆՔಈ͍ͯͨ͠όʔδϣϯʹμ΢ϯάϨʔυ͢Δ

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## ͔͠΋σϝϦοτΛ৐Γӽ͑ͯ  ্ڃऀͳΔͱ͞ΒͳΔϝϦοτ͕ಘΒΕΔ!! • CIπʔϧʹίϯςφ৯ΘͤͯDevOps!! • docker-composer͚ͩͰ͸Ͱ͖ͳ͔ͬͨ  k8s with GCPͳͲͰεέʔϧ΋෮چ΋  ΦʔτϚςΟοΫʹ!! • ͪͳΈʹ๻͸AWS೿Ͱ͢ɻ

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## ӡ༻ྫ

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## Θ͍ͷձࣾͰࠓ࡞ͬͯΔ  ೥լঢ়αʔϏεͷϓϩμΫτ(໊લ͸·ͩͳ͍…) • ݱࡏࣾ಺ϨϏϡʔͷεςʔδɻ  ຖ೔σϓϩΠͰਐḿਐΉ͔Β্࢘΍ϝϯόʔ΋ʹͬ͜Γ΍Ͱ!! • ΋ͪΖΜϦϦʔε΋࠷ॳ͸docker-composeͰ͍͘Ͱͬ!! • ෛՙ͕ߴ͘ͳΔ͜ΖʹΠϯϑϥΤϯδχΞʹؙ౤͛ͯ͠  k8s with GCPʹҠߦ΍!! • 10݄ϦϦʔε΍͔ΒΈΜͳൃ஫ͯ͠΍ͬ!!

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takumi.io • ݸਓϒϩά݉ϙʔτϑΥϦΦ݅ࣗݾຬ଍༻ͳͷͰམͪͯ΋ ໰୊ͳ͠ • ssh takumi.io 'docker-compose up --build -d'   ͰσϓϩΠ׬ྃͱ͔εςΩ΍Μ • t3.nanoͰӡ༻ͯ͠Δ͚ͲΠϥϯ͜ͱͨ࣌͠  (σϓϩΠͱ͔σϓϩΠͱ͔σϓϩΠͱ͔)  Ҏ֎͸ࠓͷͱ͜Ζ҆ఆՔಈ

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## ·ͱΊ

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## ·ͱΊ • ͔ͤͬ͘։ൃ؀ڥʹdocker-compose͍Εͯ࢖ͬͯΔͳΒ  ϓϩμΫγϣϯ΋docker࢖Θͳ͍ͱ΋͍ͬͨͳ͍ͬ • αʔϏεμ΢ϯͯ͠΋ࠔΔͻͱ͕͍ͳ͍ΞʔϦεςʔδʹ ͱͬͯ΋࠷ద • σϓϩΠ͕ͨͷ͍ͬ͠!!

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ϢʔβʹϓϩμΫτΛݟͤΕͯ  ͸͡ΊͯՁ஋ΛఏڙͰ͖Δͱࢥ͏ͷͰ ͦͷεϐʔυ͕࠷଎ʹͳΔͨΊͷ  ͓ख఻͍ʹͳΕ͹͍͍ͳ͊ͱࢥ͍  ͓࿩͍͖ͤͯͨͩ͞·ͨ͠ɻ

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͖ΐɺࠓ೔ͷεϥΠυ͸ޙͰͪΌΜͱڞ༗͢ΔΜ͔ͩΒͶͬ!! ͔ɺצҧ͍͠ͳ͍ͰΑͶͬ!!΂ɺ΂ͭʹ͋ΜͨͨͪͷͨΊͳΜ͔͡Όͳ͍Μ͔ͩΒͶͬ!! dockerͷීٴͷͨΊΑͬ!! >< “## ͝ਗ਼ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠”

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࣭͝໰ͳͲ͋Γ·ͨ͠ΒͲ͏ͧ!!