dev-with-docker

「M3 tech meetup! #3 ～ Docker について語ろう ～」でお話した LT 資料です。

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1. ։ൃ؀ڥͷ Docker Խύλʔϯू M3 tech meetup! #3 2016/09/09
2. @pottava SUPINF Inc. Docker Administration and Operations (AWS Certified) SA, DevOps Engineer Pro
3. ޮՌతͳಋೖɾӡ༻ͷͨΊͷ Amazon Web Services ׆༻ೖ໳ 2016/08/01 ίϯςφؔ࿈αʔϏεͰ͋Δ ECSɺECR ͦͷଞ CloudFrontɺACMɺAPI Gateway IAMɺAWS WAFɺCloudFormation ॻ͖·ͨ͠ɻ 3
4. http://jawsug-container.connpass.com/ ECS Λத৺ʹɺAWS Ͱͷίϯςφӡ༻Λߟ͍͑ͯ·͢ 4
5. http://jawsug-ai.connpass.com/ AI ΋ϚΠΫϩαʔϏεͱͯ͠औΓࠐΜ͡Ό͍·͠ΐ͏ʂ 5
6. גࣜձࣾεϐϯϑ ΞΠσΟΞΛ͔ͨͪʹʂ + 6
7. https://www.supinf.co.jp/service/dockersupport/ Comfy for Docker ϓϩδΣΫτ΁ͷ Docker ಋೖɾ։ൃࢧԉɾӡ༻؂ࢹ୅ߦΛ͍ͨ͠·͢ɻ ʢGCP / Azure ΋΋ͪΖΜରԠ͍ͯ͠·͢ɾɾʣ http://prtimes.jp/main/html/rd/p/000000007.000007768.html 7
8. ։ൃ؀ڥͷ Docker Խύλʔϯू ͱ͍͏λΠτϧ΄Ͳ
9. ύλʔϯԽͰ͖·ͤΜͰͨ͠..
10. ͔͠΋
11. ʂʂʂ
12. Ͱ΋ 12
13. ࡢ೔͜ΜͳΠϕϯτ͕͋Γ·ͯ͠ 13
14. 14 AWS loves Docker https://speakerdeck.com/pottava/containers-on-aws
15. ຊ൪޲͚͸ͪ͜ΒΛ͝ࢀর͍ͩ͘͞.. 1. AWS ͷίϯςφؔ࿈αʔϏε֓ཁ 2. جຊతͳߏ੒ɾߋ৽ྫ 2.1. ECSɻ 2.2. ElasticBeanstalkɻ 2.3. CodeDeployɻ 3. AWS ͷϚΠΫϩαʔϏεࢧԉαʔϏε 4. ϑΣʔζผͷߏ੒ྫɾࣄྫ 4.1. ։ൃ؀ڥ 4.2. ධՁ؀ڥ 4.3. ຊ൪؀ڥ 15
16. ։ൃ؀ڥͷ Docker Խύλʔϯू
17. ఏҊ 1. ͦΕɺDocker Խ͢΂͖ʁ͢΂͖ͳΒɺগͣͭ͠ 2. ϓϩδΣΫτ͝ͱʹ߹ͬͨ։ൃ؀ڥΛɻ
18. ͓࿩͢͠Δ͜ͱ αʔϏεΛ Docker Խ͍ͯ͘͠Ұྫ 1. ΞϓϦέʔγϣϯͷ Docker Խ 1.1. Docker Խ͢΂͖͔໰୊ 1.2. Docker Խͷखॱ 1.3. ӡ༻Λҙࣝͨ͠ߏ੒ 1.4. ։ൃΛҙࣝͨ͠ߏ੒ 2. ։ൃ؀ڥͷ Docker Խ 2.1. ӡ༻νʔϜ಺Ͱͷ஌ݟڞ༗ 2.2. ։ൃऀʹ࢖ͬͯ΋Β͓͏ɻ 2.3. Ծ૝؀ڥར༻ύλʔϯ
19. 19 ʢຊ೔ɺӡ༻ࢹ఺ڧΊͰʣ
20. 1. ΞϓϦέʔγϣϯͷ Docker Խ
21. 1.1 Docker Խ͢΂͖͔໰୊ Dockerɺ͍͍ͱ͸ฉ͚͘Ͳ.. • ΄Μͱ͏ʹ͍͍͔Ͳ͏͔ͳΜͯ࢖ͬͯΈͳ͍ͱΘ͔Βͳ͍ - ؀ڥґଘ͢ΔαʔϏεͷىಈ ‣ ྫʣTensorFlow: 1. pip install, 2. Virtualenv, 3. source.. ‣ → docker run - -rm -p 80:8888 gcr.io/tensorflow/tensorflow - Dependency hellɻ • ͱ͸͍͑ɺνϡʔτϦΞϧఔ౓Ͱ͸ӡ༻͕૝૾Ͱ͖ͳ͍ • ӡ༻·Ͱͯ͠Έͳ͍ͱϐϯͱ͜ͳ͍ - ·ͣ͸ Web αʔό͔Β.. • ͠͹Β͘ӡ༻͢Ε͹ • ͜ͷΞϓϦ͸ Docker ͷ΄͏͕͍͍͔΋ʂ͕Θ͔Δʢ͔΋ʣ
22. 1.2 Docker Խͷखॱ ྫʣLAMP • LinuxɺApacheɺMySQLɺPHP ͩͱ͠·͠ΐ͏ • ΰʔϧͷݕ౼ - MySQL ͸ެࣜͷ Docker ΠϝʔδΛ࢖͏ - PHP ͷ Docker ΠϝʔδͷϨΠϠʔʢ֊૚ʣΛͲ͏͢Δ͔ ‣ Apache & PHP & ΞϓϦέʔγϣϯ ‣ Apache & PHP > ΞϓϦέʔγϣϯ ‣ Apache > PHP > ΞϓϦέʔγϣϯ ← ࠓճ͸ɺઆ໌্ָͳ͜Εʂ • ྫʣ ubuntu:14.04 my/php:5.6 my/apache:2.4 my/app:1.0
23. Docker ΠϝʔδͷϨΠϠʔ໰୊ Ͳ͜·ͰΛ && ͰͻͱͭͷϨΠϠʔʹ·ͱΊΔ͔ • Dockerfile ΛΘ͚Δʢ= ϨΠϠʔ͕૿͑Δʣͷ͔·ͱΊΔʢݮΒ͢ʣͷ͔ - σϓϩΠͷ଎͞ʢΩϟογϡޮ཰ʣͷҧ͍ - ୹͘෼͚ΔಡΈ΍͔͢͞ɺ1ϑΝΠϧͰಡΊΔҰཡੑ͔ - ੬ऑੑରԠɺϛυϧ΢ΣΞߋ৽ͷ͠΍͢͞ͷҧ͍ - ϓϩδΣΫτɺ෦໳ؒͰԣల։ɾڞ௨Խ͢Δͷ͔ - ͳͲͳͲ.. • ૊৫্ͷ౎߹͕ͳ͍ݶΓϨΠϠʔ͸গͳ͍΄͏͕͍͍ʢ30୅ ձࣾһஉੑʣ - Πϯϑϥ෦໳ͰϕʔεΠϝʔδΛఏڙɺͳͲͱͳΔͱ࢓ํͳ͍ • Dockerfile Λ෼ׂʢdocker ΠϝʔδΛܧঝʣ͢Δ͜ͱ͸
24. Apache ΠϝʔδΛ࡞Δ ɻ • https://github.com/docker-library/httpd/blob/master/2.4/Dockerfile ɻ • ↑ ͍͖ͳΓެࣜͷ Dockerfile ͩͱཁ఺͕Θ͔Γʹ͍͘ - ιʔείϯύΠϧʢݫີͳόʔδϣϯࢦఆʣ ͯ͠Δ - νΣοΫαϜ΍ॺ໊ͷݕূ΋͍ͯ͠Δ - Docker ΠϝʔδΛܰ͘͢Δ֤छ޻෉ • ΋ͬͱγϯϓϧʹ͢Δͱ FROM ubuntu:14.04 RUN apt-get update && apt-get install -y apache2 apache2-threaded-dev RUN echo "ServerName localhost" >> /etc/apache2/apache2.conf CMD ["apachectl", "-D", "FOREGROUND"]
25. Apache ΠϝʔδΛ࡞Δ ɻ • Docker Πϝʔδͷੜ੒ - docker build -t my/apache:2.4 . ɻ • Docker ίϯςφͷىಈ - docker run - -name web -p 80:80 my/apache:2.4 ɻ • Docker ίϯςφͷఀࢭɾഁغ - docker stop web - docker rm web
26. ΞϓϦέʔγϣϯΠϝʔδΛ࡞Δ ɻ • ΞϓϦͷιʔείʔυΛϛυϧ΢ΣΞͷΠϝʔδʹ௥Ճ • Dockerfile ͷ࡞੒ • Docker ίϯςφͷੜ੒ - docker build -t my/app:1.0 . ɻ • ׬੒ʂ FROM my/php:5.6 ADD . /var/www/html
27. FYI. http://qiita.com/pottava/items/452bf80e334bc1fee69a
28. 1.3 ӡ༻Λҙࣝͨ͠ߏ੒ ຊ൪؀ڥͰ࢖͏ΠϝʔδΛςετલʹ࡞Δ • ։ൃ࣌ʹ͸ιʔεΛϚ΢ϯτ͢ΔܗࣜͰ͋ͬͯ΋ ςετɾධՁ࣌ʹ͸ຊ൪ͱಉ͡ܗࣜʹͦΖ͑Δ • → NFS & ιʔείʔυΛ -v ͰϚ΢ϯτ ͢ΔΑΓ΋ ιʔείʔυΛ ADD . ͢Δ΄͏͕Ұ؏ੑΛอͪ΍͍͢ etc • αʔϏεؒͷ࿈ܞ΍ϩάͷग़ྗ΋ධՁ؀ڥͰ֬ೝ
29. CI ؀ڥͰͷϏϧυɾςετ CircleCIɺJenkins ͳͲ͸ docker ϕʔεͰ • CI ͷલॲཧͰ docker build • ςετ͸΋ͪΖΜɺຊ൪Ͱ΋ͦͷΠϝʔδΛ࢖͏ • ςετ͕௨ͬͨΒɺຊ൪༻ʹ docker push / save
30. ධՁɾຊ൪؀ڥͰͷӡ༻ ϩά΍ϝτϦΫεͷऔಘํ๏Λߟ͓͑ͯ͘ • ϩάɿ2016೥ݱࡏɺdocker ͷϩάυϥΠό͸ͱͯ΋༗༻ - fluentdɻ - awslogs / gcplogs ͳͲͳͲ • ϝτϦΫε - ͲͷπʔϧɺSaaS Λ࢖͏ͷ͔ - ͦΕʹ߹Θͤͨߏ੒ύλʔϯͷಋೖ
31. ධՁɾຊ൪؀ڥͰͷӡ༻ σϓϩΠͷํ๏Λߟ͑Δ • Ϋϥ΢υͷϚωʔδυαʔϏε - Amazon EC2 Container Serviceɻ - Google Container Engineɻ - Azure Container Service ͳͲͳͲ • ͜Ε·Ͱ௨ΓͷσϓϩΠπʔϧΛ࢖͏ - docker ΁ରԠ͍ͯ͠ΔͳΒ࠷ߴ - γΣϧ͕ऽΕ͑͢͞Ε͹໰୊ͳ͍
32. 1.4 ։ൃΛҙࣝͨ͠ߏ੒ ։ൃऀʹ΋༏͍͠؀ڥͷఏڙ • ίϚϯυϥΠϯ 1ߦͰͷ؀ڥىಈ • ෳ਺ϓϩδΣΫτͷಉ࣌ىಈ • σόοά΍ϩά֬ೝͷ͠΍͍͢ߏ੒ • τϥϒϧΛࣗݾղܾͰ͖Δ͚ͩͷυΩϡϝϯτఏڙ
33. σόοάɾϩά֬ೝ ։ൃɺӡ༻Ͱڠྗ͠ͳ͕Β • σόοά༻ϙʔτͷ։์ʢpublishʣ • ίϯςφͷϩάग़ྗΛͲ͏ฦ͢ - Docker Remote API ʢdocker logs -f Λ࢖ͬͯ΋Β͏ʁʣɻ - ϩάΛϒϥ΢βͳͲͰݟΕΔπʔϧͷఏڙʁ
34. ϑΝΠϧ؂ࢹͱλεΫ࣮ߦ Docker ͷಈ͘ VM ಺ͷϑΝΠϧมߋΛݕ஌ • ։ൃத͸ͦΕΛτϦΨʹԿ͔͍ͨ͜͠ͱ͕ଟʑ͋Δ reload ͱ͔ϦίϯύΠϧͱ͔ • inotify ܥͷπʔϧΛಋೖʢΞϓϦͷྡʹίϯςφىಈ etcʣ • VM ΁ͷϚ΢ϯτΦϓγϣϯݕ౼ ೔ຊޠʹͳ͍ͬͯͳ͍༏ྑهࣄ΋ӳޠͳΒ..
35. αʔϏεͷ࠶ىಈɺ௥Ճ docker ίϯςφͷૢ࡞Λαϙʔτ • docker ͷίϚϯυΛͦͷ··࢖ΘͤΔͷ͔ • ϥοϓͨ͠γΣϧΛఏڙ͢Δͷ͔ • ΞϓϦέʔγϣϯͷ 1αʔϏεΛͲ͏௥Ճɾ࡟আͤ͞Δ͔
36. 2. ։ൃ؀ڥͷ Docker Խ
37. 2.1 ӡ༻νʔϜ಺Ͱͷ஌ݟڞ༗ Dockerfile Ҏ֎΋͢΂ͯόʔδϣϯ؅ཧΛ • Vagrantfileɺ֤छγΣϧεΫϦϓτɺdocker-compose.yml .. • ࠔͬͨ͜ͱɺ΍Γ͍ͨ͜ͱͳͲΛ issue ؅ཧ • ؀ڥར༻ऀ͔ΒͷϑΟʔυόοΫ΋ issue ͳͲͰ
38. ٞ࿦ > ڞ༗ ͨͩڞ༗ͯ͠΋ಡΜͰ΋Β͑ͳ͍ • issue ʹ͸୲౰ऀΛΞαΠϯɺϝϯγϣϯ • Slack ͳͲνϟοτͰؾܰʹٞ࿦Λ;͔͚ͬͯΈΔ • Docker ؔ܎ͳ͔ͬͨɻ
39. Wiki ΍ README.md Ͱͷ·ͱΊ ޙʑ؀ڥར༻ऀʹ΋౉ͤΔυΩϡϝϯτΛ࢒͢ • issue ͳͲٞ࿦ͷ·ͱΊΛ Wiki ʹసهͯ͠ΈΔ • ϓϩδΣΫτͷ README.md ʹखॱͳͲΛ࢒͢ • Docker ؔ܎ͳ͔ͬͨɻ
40. 2.2 ։ൃऀʹ࢖ͬͯ΋Β͓͏ ίϚϯυ 1 ߦɺ਺෼Ͱ্ཱ͕ͪΔ։ൃ؀ڥͷఏڙ • λʔϛφϧෆೃΕͳΒىಈ.batɺىಈ.sh ͷ༻ҙ • σόοά༻ϑΝΠϧͷࣗಈੜ੒αϙʔτ • ϓϩδΣΫτʹ͋ͬͨ docker ؀ڥΛʂ • Ұ௕Ұ୹͋Γ·͢
41. 2.3 Ծ૝؀ڥ ฐࣾͰ͸ҎԼͷπʔϧΛ࢖͍෼͚͍ͯ·͢ • VirtualBox + Vagrant • Docker Toolbox • Docker for Mac / Windows
42. VirtualBox + Vagrant Ծ૝ϗετ಺Ͱ Docker Λىಈ • VirtualBox: Ծ૝Խιϑτ΢ΣΞɺVagrant: ߏ੒؅ཧιϑτͷϥούʔ • ฐࣾͰ͸ CoreOS Λ಺෦ VM ͱͯ͠ىಈ • ىಈ࣌ʹ૸ΔγΣϧͰॳظԽॲཧ • cloud-config + systemd ·ͨ͸ docker ίϚϯυͰαʔϏεىಈ • ͍ͣΕͷํ๏Ͱ΋ɺΞϓϦ͸ docker ίϯςφͱͯ͠ಈ͘ • VM ʹʢ೚ҙʹʣৼͬͨ IP / ϗετ໊Ͱίϯςφʹ઀ଓͰ͖Δ
43. VirtualBox + Vagrant ͷಛ௃ ౰ॳΑΓར༻ɺݱࡏ΋ओྲྀ͸ Vagrantʢࣾ಺ͷ࿩ʣ • vagrant-hostsupdater ͷଘࡏ - ϓϩδΣΫτ͝ͱʹ઀ଓઌϗετ໊͕΋ͯΔ - ؀ڥར༻ऀ͸ /etc/hosts Λؾʹ͢Δඞཁ͕ͳ͍ • ෳ਺ϓϩδΣΫτΛಉ࣌ىಈ͠΍͍͢ - Ҋ݅ A / Bɺ؀ڥ α / βɺ֎෦ API ϞοΫ.. - ϦϙδτϦ෼ׂ͞ΕͨϚΠΫϩαʔϏεͳͲ΋ରԠՄ • ฐࣾ SIer Ͱ͕͢ɺ͓٬༷΁ͷల։࣌΋Ұ൪༰қ • ࣾ಺ Vagrant ΤΩεύʔτͷଘࡏ Twitter: @toricls ʢຊࢿྉͷଟ͘ͷ஌ݟ special thanks to himʣ ʢͨͩɺ൴͸ Twitter Ͱ Vagrant ͷ͜ͱ͸΄΅ͭͿ΍͖·ͤΜসʣ
44. Docker Toolbox Docker ͕ࣾఏҊ͢ΔʮVagrant + γΣϧʯͷ୅ସ • 2015/08/12 Ұൠެ։ • docker, docker-compose, docker-machine ͕Πϯετʔϧ͞ΕΔ • VirtualBox ΋Πϯετʔϧ͞Εɺdocker-machine ܦ༝Ͱ VM ىಈ • VM ʹৼΒΕͨ IPʢ192.168.99.100ʣͰίϯςφʹ઀ଓͰ͖Δ
45. Docker Toolbox ͷಛ௃ Docker for Native ҆ఆҎલʹ͸࢖͍ͬͯ·ͨ͠ɻ • docker-compose.yml ͑͞ॻ͚͹ಈ͘ͷ͸ؾ͍͍࣋ͪ - Docker for Mac / Windows Ͱ΋ಉ͡ϝϦοτ • docker-machine Λۦ࢖͢Ε͹ɺෳ਺ϓϩδΣΫτ΋ಈ͘ - શһʹ Docker Machine Λशಘͯ͠΋Β͏ͷ͸ίετ͕ߴ͍ - νʔϜͰڞ௨ͷ઀ଓ໊Λ࡞Δͷʹ͸޲͍͍ͯͳͦ͏ • ࠓޙɺDocker for Mac / Windows ΑΓߋ৽͕஗Εͦ͏ - v1.12 ରԠ͞ΕΔ·ͰͷλΠϜϥά͕ා͔ͬͨ • ͍ͭݟࣺͯΒΕΔͷ͔Θ͔Βͳ͍ෆ҆
46. Docker for Mac / Windows Docker ͕ࣾఏҊ͢Δ࣍ੈ୅ͷϩʔΧϧ؀ڥʂ • 2016/07/28 Ұൠެ։ • ୤ VirtualBoxɺMac ͱ Windows Ͱ֤ OS ʹ߹Θ࣮ͤͨ૷ • docker-machine (or Toolbox) ͱ΋ཱ྆͢Δ • ങऩ͞Εͨ Unikernel ࣾһ͕ؤுͬͨʁ
47. খ͞ͳϓϩδΣΫτ͸͜ΕͰे෼ʂ • ͨͩ͠ Mac Λด͡ΔɺεϦʔϓʹೖͬͨ࣌ͷ - containerd ͕෼͔Εͨ݁ՌΆ͍.. - εϦʔϓ͢Δ·͑ʹ౎౓ docker ऴྃͯ͠Δࢲ.. • ͱ͸͍͑΍͸Γɺখ͞ͳϓϩδΣΫτͰ͸͜Ε͕࠷΋ศརɻ • Toolbox ΑΓ΋৽όʔδϣϯ΁ͷରԠ͸ૣ͍ Docker for Mac / Windows ͷಛ௃
48. Solomon Hykes Founder & CTO of Docker “ɹɹɹɹɹɹɹɹɹ ” To program, you need tools. If these tools are not designed to be accessible and useful to programmers of all levels of expertise and specialization, then as an industry we failed. ɹɹɹɹɹɹɹɹɹ ”
49. ͝૬ஊ͸͓ؾܰʹͪ͜Β·Ͱ.. <