dockerignore talk - Speaker Deck

dockerignore talk

by orisano

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dockerignoreͷ࿩ Container Build Meetup #2 #container_build @orisano

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docker buildͷ࿩Λ͠·͢

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%PDLFS$-* EPDLFSE

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%PDLFS$-* EPDLFSE $ docker build .

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%PDLFS$-* EPDLFSE $ docker build [build context]

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%PDLFS$-* EPDLFSE $ docker build . 1. build contextΛtarͰarchive͢Δ

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%PDLFS$-* EPDLFSE $ docker build . 2. dockerdʹରͯ͠POST͢Δ

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%PDLFS$-* EPDLFSE $ docker build . 3. ड͚औͬͨtarΛల։

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%PDLFS$-* EPDLFSE $ docker build . 4. DockerﬁleͷղऍΛ͢Δ

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%PDLFS$-* EPDLFSE $ docker build . 5. εςʔδ͝ͱʹ࣮ߦ

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%PDLFS$-* EPDLFSE $ docker build . 6. InstructionΛ࣮ߦ

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%PDLFS$-* EPDLFSE $ docker build . 7. Instructionຖʹimage͕Ͱ͖Δ

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%PDLFS$-* EPDLFSE $ docker build . 8.ऴΘͬͨΒ௨஌

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ෆཁͳϑΝΠϧ͸ build contextʹؚΊͨ͘ͳ͍

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ͳͥʁ

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1. Archiveͷίετ 2. సૹͷίετ 3. cacheͷͨΊ

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1. Archiveͷίετ 2. సૹͷίετ 3. cacheͷͨΊ

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େྔͷϑΝΠϧΛ ΞʔΧΠϒ͢Δͷ͸ॏ͍ (node_modulesͳͲ)

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ΫϥΠΞϯτଆͰߦ͏͕ ݱঢ়̎ͭͷ࣮૷͕͋Δ

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docker/cli (Go) docker/docker-py (Python)

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docker/cli (Go) dockerίϚϯυ

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docker/docker-py (Python)

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Docker Engine APIΛ Python͔Β࢖͏ͨΊͷ΋ͷ docker/compose ͕࢖͍ͬͯΔ ͳΜ͔஗͍

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AntiVirusͳͲ͕ I/OΛhook͍ͯ͠Δ৔߹ I/Oίετ͕΍͹͍

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1. Archiveͷίετ 2. సૹͷίετ 3. cacheͷͨΊ

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େ͖ͳϑΝΠϧΛૹΔͷ͸ େม

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1. Archiveͷίετ 2. సૹͷίετ 3. cacheͷͨΊ

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COPYͰ ҙਤͯ͠ͳ͍ϑΝΠϧ͕ ର৅ʹͳ͍ͬͯΔͱ cache͕յΕͯ࠷ѱ

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build contextʹ ؚΊͯ͸͍͚ͳ͍ϑΝΠϧ ͕͋Δ

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1. ೝূ৘ใ 2. ΞʔΩςΫνϟґଘ

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1. ೝূ৘ใ 2. ΞʔΩςΫνϟґଘ

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ݴΘͣ΋͕ͳ .envͳͲ

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.git͕ةݥͳ৔߹΋͋Δ personal tokenͰͷ git cloneΛ͍ͯ͠ΔͳͲ

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1. ೝূ৘ใ 2. ΞʔΩςΫνϟґଘ

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package managerʹΑΔ͕ ͦͷ؀ڥ޲͚ͷbuildࡁΈ όΠφϦ͕͓͍ͯ͋Δ͜ͱ͕ (npm)

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Ҏ্ͷ໰୊Λղܾ͢ΔͨΊʹ dockerignore Λ࢖͏

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dockerignore

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ޙΖʹॻ͍ͯ͋Δ pattern͕༏ઌ͞ΕΔ ઌ಄ʹ!Λ͚ͭΔͱ൱ఆͰ͖Δ

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࢖͑Δදه foo/* foo/** foo/?

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಺෦Ͱ ਖ਼نදݱʹม׵͍ͯ͠Δ

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ਖ਼نදݱͳΒΘ͔Δ ͱ͍͏ਓ޲͚ʹ github.com/orisano/dire

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ରԠ͢Δਖ਼نදݱΛग़ྗ

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Ͳ͏΍࣮ͬͯݱ͍ͯ͠Δ͔

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%PDLFS$-* EPDLFSE $ docker build . 1. build contextΛtarͰarchive͢Δ

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%PDLFS$-* EPDLFSE $ docker build . 0. build contextͷҎԼͷϑΝΠϧ͕readՄೳ͔֬ೝ (͜͜΋dockerignoreΛߟྀ͞ΕΔ)

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%PDLFS$-* EPDLFSE $ docker build . 0.5. directoryΛtraverse͠ͳ͕Βdockerignoreʹ Ϛον͠ͳ͍ϑΝΠϧΛtarʹ௥Ճ͍ͯ͘͠

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%PDLFS$-* EPDLFSE $ docker build . 1. build contextΛtarͰarchive͢Δ

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༨ஊ

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%PDLFS$-* EPDLFSE $ docker build . 0. build contextͷҎԼͷϑΝΠϧ͕readՄೳ͔֬ೝ (͜͜΋dockerignoreΛߟྀ͞ΕΔ)

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ϑΝΠϧ਺෼dockerignore͕ ίϯύΠϧ͞ΕΔΑ͏ʹ ͳ͍ͬͯͨ

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docker/cli/pull/1577 Ͱमਖ਼͞Ε Docker 19.03 ͔ΒೖΓ·͢

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ͪΐͬͱಛघͳྫ

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monorepoͰ subsystemؒͷґଘ͕͋Δ ৔߹

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େຊΛbuild contextʹ ͠ͳ͍ͱ͍͚ͳ͘ͳΔ

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build context͕Ͱ͔͘ͳΔ

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dockerignoreͰղܾ! ͢Δ͜ͱ͸Ͱ͖ͳ͍

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dockerignore͸buildຖʹ ϑΝΠϧΛࢦఆͰ͖ͳ͍

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subsystemຖʹ dockerignoreΛ࡞Γ buildͷͨͼʹ dockerignoreΛࣗಈੜ੒͢Δ Ξϓϩʔν͕༗ޮ