コマンド実行環境としてのDocker

Fukuoka.php Vol.20で発表したDockerの話です。

Transcript

1. ίϚϯυ࣮ߦ؀ڥͱͯ͠ͷ Docker 2016/12/08 Fukuoka.php Vol.20
2. ͦΖͦΖແ৬
   ᖛத
   Ұ܄ʢ͸·ͳ͔
   ͔ͣͻΖʣ hamaco hamanaka.kazuhiro
3. એ఻
4. Agenda • ͸͡Ίʹ • Docker ͱ͸ • Docker Image Λ࡞ͬͯΈΔ • ࠷খͷDocker ImageΛ໨ࢦͯ͠ • ·ͱΊ
5. ͸͡Ίʹ
6. ͜ͷൃදʹͨ͠੾ֻ͚ͬ
7. docker-phan஌ͬͯ·͔͢?
8. https://hub.docker.com/r/cloudflare/phan/
10. phan() { docker run -v $PWD:/mnt/src \ --rm -u "$(id -u):$(id -g)" \ cloudflare/phan:latest $@; return $?; }
13. http://qiita.com/suin/items/53d184777e989693693c
14. ં֯ͩ͠ͳʹ͔࡞Ζ͏
15. Ͱ΋ͳʹ࡞Ζ͏͔?
16. ͦ͏͍͑͹…
17. ҋͷPHPerୡ͸ PHPΛશόʔδϣϯϏϧυ ͍ͯ͠ΔΒ͍͠…
18. Ͱ΋PHPͷϏϧυͬͯ ֻ͔࣌ؒͬͯ ΊΜͲ͍͘͞ΑͶ
19. ͦΜͳΘ͚Ͱࠓճ࡞ͬͨ΍ͭ • Docker൛ phpall • https://hub.docker.com/r/hamaco/php-all/ • https://github.com/hamaco/docker-php-all/
20. Docker ͱ͸
21. Docker ͱ͸ • Go ݴޠ • ίϯςφܕԾ૝Խ • LXC (Linux Container) • namespaces • cgroups
22. DockerͷετϨʔδυϥΠό • AUFS (Docker for Mac / ެࣜεΫϦϓτ ) • DeviceMapper ( CentOS / Ubuntu ) • Btrfs • OverlayFS ( CoreOS / Barge ) • ZFS
23. DockerͷΠϝʔδϨΠϠʔ
24. Docker Image Λ࡞ͬͯΈΔ
25. #01 جຊͷDocker Image
26. #01 جຊͷDocker Image FROM alpine:3.4 ENV PHP_VERSION 7.0.13 WORKDIR /tmp RUN apk add --no-cache --virtual .php-builddeps \ ca-certificates bash git patch re2c flex make gcc libc-dev RUN apk add --no-cache libxml2-dev bzip2-dev RUN git clone https://github.com/hnw/phpall.git RUN wget -O php-$PHP_VERSION.tar.gz \ http://jp2.php.net/get/php-$PHP_VERSION.tar.gz/from/this/mirror RUN /tmp/phpall/install-all-php.sh RUN mv /root/bin/php-$PHP_VERSION /root/bin/php RUN apk del .php-builddeps RUN rm -rf /tmp/php* ENTRYPOINT ["/root/bin/php"] CMD ["-v"]
27. #01 جຊͷDocker Image FROM alpine:3.4 ENV PHP_VERSION 7.0.13 WORKDIR /tmp
28. #01 جຊͷDocker Image RUN apk add --no-cache \ --virtual .php-builddeps \ ca-certificates bash git \ patch re2c flex make gcc libc-dev RUN apk add --no-cache \ libxml2-dev bzip2-dev
29. #01 جຊͷDocker Image RUN git clone \ https://github.com/hnw/phpall.git RUN wget -O php-$PHP_VERSION.tar.gz \ http://jp2.php.net/get/php- $PHP_VERSION.tar.gz/from/this/mirror RUN /tmp/phpall/install-all-php.sh RUN mv /root/bin/php-$PHP_VERSION /root/bin/ php
30. #01 جຊͷDocker Image RUN apk del .php-builddeps RUN rm -rf /tmp/php*
31. #01 جຊͷDocker Image ENTRYPOINT ["/root/bin/php"] CMD ["-v"]
32. 350.4 MB
33. ࠷খͷDocker ImageΛ ໨ࢦͯ͠
34. #02 RUNΛ1ͭʹ·ͱΊΔ
35. #02 RUNΛ1ͭʹ·ͱΊΔ FROM alpine:3.4 ENV PHP_VERSION 7.0.13 WORKDIR /tmp RUN apk add --no-cache --virtual .php-builddeps \ ca-certificates bash git patch re2c flex make gcc libc-dev \ && apk add --no-cache libxml2-dev bzip2-dev \ && git clone https://github.com/hnw/phpall.git \ && wget -O php-$PHP_VERSION.tar.gz \ http://jp2.php.net/get/php-$PHP_VERSION.tar.gz/from/this/mirror \ && /tmp/phpall/install-all-php.sh \ && mv /root/bin/php-$PHP_VERSION /root/bin/php \ && apk del .php-builddeps \ && rm -rf /tmp/php* ENTRYPOINT ["/root/bin/php"] CMD ["-v"]
36. 22.95 MB
37. Ͱ΋͜ͷঢ়ଶͩͱ
38. Docker ImageΛ େྔʹ࡞Δͷʹແବ͕ଟ͍
39. #03 Ϗϧυ؀ڥͷߏஙΛ ෼཭ͯ͠ΈΔ
40. #03 ϕʔεΠϝʔδ FROM alpine:3.4 WORKDIR /work RUN apk add --no-cache --virtual .php-builddeps \ ca-certificates bash git make \ gcc patch re2c flex libc-dev \ && apk add --no-cache libxml2-dev bzip2-dev \ && git clone https://github.com/hnw/phpall.git
41. #03 PHPΠϝʔδ FROM hamaco/fukuoka-php-20:03-base ENV PHP_VERSION 7.0.13 WORKDIR /work RUN wget -O php-$PHP_VERSION.tar.bz2 \ http://jp2.php.net/get/php-$PHP_VERSION.tar.bz2/from/this/mirror \ && /work/phpall/install-all-php.sh \ && mv /root/bin/php-$PHP_VERSION /root/bin/php \ && apk del .php-builddeps \ && rm -rf /work ENTRYPOINT ["/root/bin/php"] CMD ["-v"]
42. 134.3 MB
43. #04 Ϗϧυઐ༻ͷΠϝʔδΛ ༻ҙ͢Δ
44. #04 Ϗϧυ༻Πϝʔδ FROM alpine:3.4 ADD ./scripts/make-image.bash /work/make-image.bash WORKDIR /work RUN apk add --no-cache \ ca-certificates bash git make gcc patch re2c \ flex libc-dev libxml2-dev bzip2-dev \ && git clone https://github.com/hnw/phpall.git ENTRYPOINT ["/work/make-image.bash"]
45. #04 ϏϧυεΫϦϓτ #!/usr/bin/env bash basedir=/work/images mkdir -p $basedir/etc/apk/ $basedir/root/bin/ cp /etc/apk/repositories $basedir/etc/apk/repositories { apk add --no-cache --root "$basedir" \ --keys-dir /etc/apk/keys --initdb libxml2-dev bzip2-dev cd /work/ wget -O php-7.0.13.tar.bz2 \ http://jp2.php.net/get/php-7.0.13.tar.bz2/from/this/mirror /work/phpall/install-all-php.sh cp /root/bin/php-7.0.13 $basedir/root/bin/php } >&2 tar czf images.tar.gz . -C "$basedir" && cat images.tar.gz
46. #04 Ϗϧυ࣮ߦ $ docker build \ -t hamaco/fukuoka-php-20:04-base base $ docker run --rm \ hamaco/fukuoka-php-20:04-base \ > images.tar.gz
47. #04 PHPΠϝʔδ࡞੒ FROM alpine:3.4 ADD ./images.tar.gz / ENTRYPOINT ["/root/bin/php"] CMD ["-v"]
48. 22.93 MB
49. #05 ϕʔεΠϝʔδΛ scratchʹͯ͠ΈΔ
50. #05 scratchΛϕʔεʹ͢Δ FROM scratch ADD ./images.tar.gz / ENTRYPOINT ["/root/bin/php"] CMD ["-v"]
51. 18.13 MB
52. ·ͱΊ
53. ·ͱΊ • DockerͰಛఆͷίϚϯυ͚ͩಈ͘؀ڥΛ࡞Δͷศར • ී௨ʹ΍ΔͳΒAlpine + RUNΛ1ͭʹ͢Ε͹OK • ؤுΔͳΒscratchΛ࢖͑Δ·Ͱ΍Δ΂͠ • ࠓ೔ͷDockerfile͸ҎԼʹ͋Γ·͢ • https://github.com/hamaco/fukuoka.php-vol20/
54. Thanks!
55. ͓·͚
56. #06 ࠷খͷPHP؀ڥ
57. #06 PHPʹඞཁͳϑΝΠϧ # ldd /root/bin/php /lib/ld-musl-x86_64.so.1 (0x55733b8c7000) libbz2.so.1 => /usr/lib/libbz2.so.1 (0x7f462d436000) libz.so.1 => /lib/libz.so.1 (0x7f462d220000) libxml2.so.2 => /usr/lib/libxml2.so.2 (0x7f462cef5000) libc.musl-x86_64.so.1 => /lib/ld-musl-x86_64.so.1 (0x55733b8c7000)
58. #06 ඞཁͳϑΝΠϧίϐʔ $ tree docker-image/ docker-image/ !"" lib # !"" ld-musl-x86_64.so.1 # %"" libz.so.1 !"" root # %"" bin # %"" php %"" usr %"" lib !"" libbz2.so.1 %"" libxml2.so.2
59. #06 docker import $ cd docker-image $ tar -c . | docker import - \ hamaco/fukuoka-php-20:06
60. 17.35 MB
61. Thanks!