當專案漸趕，當遷移也不再那麼難 (Ship Your Projects with Docker EcoSystem)
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距離去年講述「運用 Docker 部署 PHP 專案」已經過了一年，Docker 生態系逐漸成長，Machine、Compose、Swarm 皆趨於穩定、值得投入。本議程將承襲去年議程的概念，並講述如何透過這些工具利用 Docker 協助我們更方便的開發、測試、部署、遷移我們的 PHP 專案。 Ps. 本議程謹會概略提到 Docker 概念作為複習，不會針對指令一一教學、建議會眾在議程前，能先了解 Docker 基本使用方式。
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當專案漸趕，當遷移也不再那麼難 (Ship Your Projects with Docker EcoSystem)
- 2. 2 2015-11-01-a p45 VALUME -> VOLUME @date
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- 13. Foundation 13 Linux Kernel Linux Distribution FS … Base Image FS ….
- 14. Foundation 14 Linux Kernel Your Environments Container Linux Distribution FS Base Image FS ….
- 15. Foundation 15 Linux Kernel Linux Distribution FS Your Environments Base Image FS Images Container Process Process
- 16. Image 16 Linux Kernel Base Image Image Layer A Image Layer B
- 17. Image 17 Linux Kernel Base Image Image Layer A Image Layer B Image Layer Image Layer C Image Layer Image Layer
- 18. Image 18 Linux Kernel Ubuntu PHP 5.5 Apache PHP 7 Nginx Apache Nginx
- 19. Image 19 Linux Kernel Ubuntu PHP 5.5 Apache PHP 7 Nginx Apache Nginx CentOS
- 23. Container 23 Images Changed FS Process Executing Host FS Running
- 26. App Container Links 26 SQL DB Redis
- 28. Container Volumes 3f8566045a0994e..... Host /var/www/html …… …… Container A (3f8566045a....) Volume
- 29. Container Volumes Host /var/www/html …… …… Volume /var/www/html …… Container B Volume From 3f8566045a0994e..... Container A (3f8566045a....)
- 31. Container Volumes Custom Directory Host /var/www/html …… …… Container A Volume
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- 41. FROM php:7-apache MAINTAINER<Ruoshi Ling <foo@bar.tw> RUN apt-get update ADD ./script.php /app/ ENTRYPOINT php CMD ["app/script.php"] 41
- 42. Skills (1) 42 RUN apt-get update && apt-get install -y wget curl php5 && echo "Installed basic packages"
- 43. Skills (2) 43 ENV APP_VERSION=1.2.3 DB_USER="foo" DB_PASSWORD="bar" DB_DATABASE="app" DB_HOST="127.0.0.1" ENV=production
- 44. Skills (3) 44 ENV SETUP_DIR="/var/cache/app" COPY assets/setup/ ${SETUP_DIR}/ RUN bash ${SETUP_DIR}/install.sh
- 45. Skills (4) 45 COPY entrypoint.sh /sbin/entrypoint.sh RUN chmod 755 /sbin/entrypoint.sh ENTRYPOINT ["/sbin/entrypoint.sh"] CMD ["app:start"]
- 46. Skills (5) 46 #!/bin/bash ln -sf /data/db /var/lib/mysql ln -sf /data/uploads /app/uploads ...... VOLUME ["/data"] ENTRYPOINT ["/sbin/entrypoint.sh"]
- 47. Contributes 47
- 50. 50 $ docker-machine create --driver virtualbox default Creating VirtualBox VM... Creating SSH key... Starting VirtualBox VM... Starting VM... To see how to connect Docker to this machine, run: docker-machine env default
- 51. 51 $ docker-machine env default export DOCKER_TLS_VERIFY="1" export DOCKER_HOST="tcp://192.168.99.100:2376" export DOCKER_CERT_PATH="/Users/fntsr/.docker/ machine/machines/default" export DOCKER_MACHINE_NAME="default" # Run this command to configure your shell: # eval "$(docker-machine env default)" $ eval "$(docker-machine env default)"
- 52. 52 $ docker version Client: Version: 1.8.2 .... Server: Version: 1.8.2 API version: 1.20 Go version: go1.4.2 Git commit: 0a8c2e3 Built: Thu Sep 10 19:10:10 UTC 2015 OS/Arch: linux/amd64
- 53. 53 $ docker-machine create --driver .... Generic Create machines using an existing VM/Host with SSH.
- 54. 54
- 57. 57 # Comment <service_name>: attribute: <value> attribute: - item1 - item2
- 58. 58 # docker-compose.yml web: image: php:7-fpm ports: - "5566:80" volumes: - .:/app
- 59. 59 # create container(s) $ docker-compose up -d # start container(s) $ docker-compose start # stop container(s) $ docker-compose stop # remove container(s) $ docker-compose rm
- 60. 60 # docker-compose.yml web: build: ./ links: - mysql ports: - "9527:80" mysql: image: mysql:5.7 environment: - MYSQL_ROOT_PASSWORD=password - MYSQL_DATABASE=wordpress
- 61. 61 # development.yml web: extends: file: docker-compose.yml service: web environment: - ENV=development - DB=sqlite3
- 62. Skills (1) 62 # docker-compose.yml web: .... environment: - DB_USER=elephant - DB_PASSWORD=ilovePHPfOEvEr - DB_DATABASE=elephant
- 63. Skills (2) 63 # docker-compose.yml web: volumes: - ./app:/app db: volumes: - ./db:/var/lib/mysql
- 64. Skills (3) 64 # docker-compose.yml web: extends: file: common.yml service: web environment: - ENV=testing - DB=mysqli db: ......
- 66. `docker run` 66
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- 69. 69 web: image: wordpress links: - db environment: - WORDPRESS_DB_PASSWORD=password ports: - "9527:80" db: image: mysql:5.7 environment: - MYSQL_ROOT_PASSWORD=password - MYSQL_DATABASE=wordpress
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- 71. 71 php5: extends: file: app.yml service: web image: php:5-fpm ports: - "11024:80" php7: extends: file: app.yml service: web image: php:7-fpm ports: - "11025:80"
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