Docker勉強会

Docker入門

Transcript

1. ᢠށɹོ 2017.07.12 Build, Ship, and Run Any App, Anywhere
2. Who am I? 2 ͓લ୭ʁ
3. Agenda 3 Dockerͱ͸ DockerΛ࢖͏ ར༻ࣄྫ
4. Dockerͱ͸
5. Dockerͱ͸ 5 DockerΛࢧ͑ΔԾ૝Խٕज़ ϗετOSͷϦιʔεΛ࿦ཧతʹίϯςφ෼ׂ͠ ͯڞ༗ͯ͠࢖͏ɻܰྔͰߴ଎ͳͷ͕ಛ௃ɻ ίϯςφԾ૝Խٕज़ 2013೥ɺSolomon Hykesࢯ͕։ൃ͠ɺDockerࣾ ʢΞϝϦΧʣ͕ϝϯςφϯεΛଓ͚͍ͯΔɻGo Ͱॻ͔Ε͍ͯΔɻ ྺ࢙ ࠷ॳɺLinuxͷΈ͕ͩͬͨɺݱࡏ͸༷ʑͳ؀ڥͰಈ ͔͢͜ͱ͕ՄೳɻMacɺWindowsʢPCɼServerʣɺ AzureɺAWSɺGoogleCoudɺIBM BluemixͳͲɻ ಈ࡞؀ڥ DockerͷΠϝʔδΛ࡞੒ͯ͠͠·͑͹ɺଞͷಈ ࡞؀ڥ΁͍࣋ͬͯͬͯ΋ಉ͡Α͏ʹಈ࡞͢Δɻ ϙʔλϏϦςΟ(Ҡ২ੑ) ߏ੒ɺઃఆͳͲεΫϦϓτʹهड़͢Δ͜ͱͰɺ ॻ͔Εͨ௨Γͷߏ੒ΛࣗಈͰಉ͡΋ͷΛ࡞Δ͜ ͱ͕ग़དྷΔɻ infrastructure as code
6. Dockerͱ͸ 6 ܰྔɺߴ଎Λࢧ͑ΔԾ૝Խͷجૅ஌ࣝ ैདྷͷߏ੒ͷαʔόɻҠ২ੑ௿ ͍ɻઃఆ͕໘౗ɻ ෺ཧαʔό ϗετOS্ͰɺߋʹԾ૝OSΛಈ͔͢ɻϦ ιʔε৯͏ɻॏ͍ɻVMWare Fusionɺ VirtualBoxɼParallelsɻHyperVisorܕ͸Ծ ૝ԽΛઐ༻ʹѻ͏ιϑτ΢ΣΞ͕OSͷ୅ ΘΓʹಈ͘ɻXen΍Hyper-VͳͲ ϗετܕԾ૝Խ ϗετOS্ʹ࿦ཧతͳ۠ըΛ࡞Γɺϓϩ ηεΛಈ͔͢࠷খݶͷϦιʔεΛ࢖͏ɻى ಈૣ͍ɻ͍ܰɻDockerɺSolarisContainer ίϯςφܕԾ૝Խ ϋʔυ΢ΣΞ OS ϓϩηε ϓϩηε ϋʔυ΢ΣΞ OS ήετOS ήετOS Ծ૝Խιϑτ ϓϩηε ϓϩηε ϓϩηε ϓϩηε ϋʔυ΢ΣΞ OS ίϯςφ ίϯςφ؅ཧιϑτ ϓϩηε ίϯςφ ϓϩηε ίϯςφ ϓϩηε ίϯςφ ϓϩηε
7. Photo by frank mckenna on Unsplash
8. Dockerͱ͸ 8 جຊػೳ ίϯςφΛಈ͔͢ ΠϝʔδΛݩʹɺࢦఆ͞Ε ͨ಺༰ͰɺίϯςφΛಈ͔ ͢ɻىಈɺఀࢭɺഁغͳͲ ͸ίϚϯυΛ࢖༻ͯ͠ߦ͏ɻ ΠϝʔδΛ ެ։ɾڞ༗ ࡞੒ͨ͠ΠϝʔδΛϨδε τϦͱ͍͏ػೳͰɺެ։ɾ ڞ༗Λߦ͏ɻS3ϕʔεɺ঎ ༻ϕʔεͳͲɺ༷ʑͳํ๏ ͕͋ΔɻDockerHubͱ͍͏ ެࣜͷϨδετϦ͕͋Δɻ ΠϝʔδΛ࡞Δ ίϯςφΛಈ͔ͨ͢Ίͷ Libraryɺϛυϧ΢ΣΞɺ OSɺωοτϫʔΫઃఆͳ ͲΛ·ͱΊͯɺ̍ͭͷΠϝʔ δͱͯ͠࡞੒͢Δɻ
9. DockerΛ࢖͏
10. DockerΛ࢖͏ 10 Πϯετʔϧ Mac • https://store.docker.com/ editions/community/docker-ce- desktop-mac • Requires Apple Mac OS Yosemite 10.10.3 or above. Download Docker Toolbox for previous OS versions.(https:// www.docker.com/products/ docker-toolbox) Windows PC • https://store.docker.com/ editions/community/docker-ce- desktop-windows • Requires Microsoft Windows 10 Professional or Enterprise 64-bit. For previous versions get Docker Toolbox.(https:// www.docker.com/products/ docker-toolbox)
11. DockerΛ࢖͏ 11 Πϝʔδͷૢ࡞ʢൈਮʣ औಘͨ͠ΠϝʔδͷҰཡΛߦ͍· ͢ɻऔಘݩɺIDɺ࡞੒೔ɺαΠζ ͳͲ͕දࣔ͞Ε·͢ ΠϝʔδͷҰཡ # docker images औಘͨ͠Πϝʔδͷৄࡉ಺༰Λද ࣔ͠·͢ɻvolumeઃఆͳͲৄࡉද ࣔΛߦ͍·͢ɻ Πϝʔδͷৄࡉ಺༰ # docker inspect ${ΠϝʔδͷID} DockerHubʹొ࿥͞Ε͍ͯΔΠ ϝʔδΛݕࡧ͠·͢ɻDockerHub ͷαΠτΛݟͨ΄͏͕ૣ͍͔΋ Πϝʔδͷݕࡧ # docker search ݕࡧจࣈ औಘͨ͠ΠϝʔδΛ࡟আ͠·͢ɻ ࡟আ͢Δͱ໭ͤ·ͤΜɻ Πϝʔδͷ࡟আ # docker rmi ${ΠϝʔδͷID}
12. DockerΛ࢖͏ 12 ίϯςφͷૢ࡞ʢൈਮʣ Πϝʔδ͔ΒίϯςφΛੜ੒ͯ͠ɺ ىಈޙɺϓϩηεΛಈ͔͠·͢ɻ ίϯςφͷੜ੒ / ىಈ # docker run ىಈͨ͠ίϯςφΛఀࢭ͠·͢ ίϯςφͷఀࢭ # docker stop ੜ੒͞ΕͨίϯςφΛىಈ͠·͢ɻ ίϯςφͷىಈ # docker start ίϯςφΛ࡟আ͠·͢ɻ࡟আ͢Δ ͱ໭ͤ·ͤΜɻ ίϯςφͷ࡟আ # docker rm ${ίϯςφID} ىಈ͍ͯ͠ΔίϯςφΛҰཡදࣔ ͠·͢ɻ-a Λ͚ͭΔͱఀࢭதͷί ϯςφ΋දࣔ͠·͢ ίϯςφͷҰཡ # docker ps [-a] ىಈ͍ͯ͠ΔίϯςφͰϓϩηε Λ࣮ߦ͠·͢ɻbashΛىಈͯ͠ɺ தΛ֬ೝͨ͠Γ͠·͢ɻ ىಈίϯςφͰϓϩηε࣮ߦ # docker exec [-it] ${ίϯςφID} ίϚϯυ
13. Ҿ͖͜΋ΓΛੈʹग़͢ ωοτϫʔΫͱϑΝΠϧγεςϜ DockerΛ࢖͏ ϙʔτϚοϐϯάͱϘϦϡʔϜϚ΢ϯτ
14. DockerΛ࢖͏ 14 Ҿ͖͜΋ΓΛੈʹग़ͦ͏̍ Photo by Chinda Sam on Unsplash docker run --name sl -d -p 8000:8080 uzyexe/sl ͓·͑ਐḿ Ͳ͏ͳͷΑʁ And open http://localhost:8000/
15. DockerΛ࢖͏ 15 ίϯςφͷϙʔτϚοϐϯά ίϯςφͰ։͍͍ͯΔϙʔτͱϗετͷϙʔτΛϚο ϐϯά͢Δ -p [ϗετͷϙʔτ൪߸]:[ίϯςφͷϙʔτ൪߸] docker run --name sl -d -p 8000:8080 uzyexe/sl 8080 8000
16. DockerΛ࢖͏ 16 Ҿ͖͜΋ΓΛੈʹग़ͦ͏̎ Photo by Jordan Hubbard on Unsplash docker run —name nginx-test -d -p 8800:80 -v /tmp:/var/log/nginx nginx:alpine And open http://localhost:8800/ ਐḿ ͳ͍σʔεɻ ͯ΁ check /tmp/access.log And
17. DockerΛ࢖͏ 17 ίϯςφͷσΟϨΫτϦϚοϐϯά ίϯςφ಺ͷσΟϨΫτϦͱϗετͷσΟϨΫτϦΛ Ϛοϐϯά͢Δ -v [ϗετͷσΟϨΫτϦ]:[ίϯςφͷσΟϨΫτϦ] /var/log/nginx /tmp docker run --name nginx-test -d -p 8800:80 -v /tmp:/var/log/nginx nginx:alpine
18. DockerΛ࢖͏ 18 Dockerfile ࠷ॳ͔ΒDockerfileΛهड़͢Δͷ͸ѱखɻ Կ౓΋build͠ͳ͍ͰࡁΉΑ͏ʹ ίϯςφΛىಈͯ͠ɺͦͷதͰߦͬͨૢ࡞Λ هड़͢Δɻ ίϯςφૢ࡞ͷهड़ Dockerfile͸ϕʔεʹͳΔΠϝʔδʹ֤ϛυϧ΢Σ ΞΠϯετʔϧɺઃఆɺίϯςφͷىಈઃఆͳͲ ͷߏஙɾߏ੒؅ཧΛهड़͢Δɻdocker buildίϚϯ υͰDockerΠϝʔδΛ࡞੒ɻ͜ͷϑΝΠϧ͕͋Ε ͹ɺDockerΤϯδϯ͕ಈ͍͍ͯΔ৔ॴͰ͋Ε͹ɺ Πϝʔδͷ࡞੒͕ՄೳɻͲ͜Ͱ΋ಉ͡Πϝʔδ͕ ࡞੒͞ΕΔɻ https://github.com/dockerfile ϑΝΠϧͷαϯϓϧ খ͍͞αΠζͷϕʔεΠϝʔδ͔ຊ൪؀ ڥʹ͍ۙΠϝʔδΛ࢖༻͢Δɻ ϕʔεΠϝʔδ https://hub.docker.com/_/amazonlinux/ ϕʔεΠϝʔδ https://hub.docker.com/_/alpine/
19. DockerΛ࢖͏ 19 Docker Compose ίϯςφΛ૊Έ߹ΘͤΔ ҰͭҰͭͷίϯςφΛίϚϯυ Ͱىಈ͢Δͷ͸൥ࡶͳͨΊɺى ಈ/ఀࢭ/ίϯςφ࡞੒/࡟আΛ Ұݩ؅ཧ͢Δ docker-compose ͱ͍͏ίϚϯυ͕͋Δɻ docker-compose.yml docker-compose.ymlͱ͍͏ ϑΝΠϧʹYAMLܗࣜͰهड़͢ Δɻෳ਺ͷίϯςφͷઃఆ಺༰ Λهड़͢ΔɻίϯςφؒͷϦϯ Ϋɺίϯςφؒͷ௨৴ɺσʔλ ؅ཧɺ؀ڥม਺ͳͲΛهड़ɻ ίϚϯυ docker-compose 
 up ίϯςφͷੜ੒ɾىಈ down ίϯςφͷ࡟আɾऴྃ start ίϯςφͷىಈ stop ίϯςφͷऴྃ
20. ར༻ࣄྫ
21. ར༻ࣄྫ 21 γϯϓϧͳϓϩδΣΫτ ϩʔΧϧ։ൃ؀ڥ git clone ͯ͠ registory͔Βimage Λpullͯ͠ docker-compose up -d Ͱ׬ྃ
22. ར༻ࣄྫ 22 γϯϓϧͳϓϩδΣΫτ ϩʔΧϧ։ൃ؀ڥ git clone ͯ͠ docker-compose up -d Ͱ׬ྃ
23. ར༻ࣄྫ 23 ෳࡶͳϓϩδΣΫτʢMicroServiceʣ ϩʔΧϧ։ൃ؀ڥ
24. ·ͱΊ 24 • ։ൃ؀ڥ࡞੒ͷίετ࡟ݮ • ࢖༻͢ΔϦʔιεͷ࡟ݮ • ։ൃ࣌ͷετϨε࡟ݮ • ਫ਼ਆӴੜ্Α͍
25. Thank You! Photo by Paz Arando on Unsplash