Enfrentando o Docker em ambientes de desenvolvimento

Esta palestra descreve as semelhanças entre o esquema de virtualização comum e a virtualização com containers, introduz o Docker Engine e suas ferramentas como meio de agilizar e padronizar a configuração de ambientes de desenvolvimento.

Transcript

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18. docker pull phpunit/phpunit
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21. 1 FROM ubuntu:14.04 2 3 # Install Python. 4 RUN apt-get update 5 RUN apt-get install -y python python-dev python-pip python-virtualenv 6 RUN rm -rf /var/lib/apt/lists/* 7 8 # Define working directory. 9 WORKDIR /data 10 11 # Define default command. 12 CMD ["bash"] Dockerfile
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24. 1 FROM ubuntu:14.04 2 3 # Install Python. 4 RUN \ 5 apt-get update && \ 6 apt-get install -y python python-dev python-pip python-virtualenv && \ 7 rm -rf /var/lib/apt/lists/* 8 9 # Define working directory. 10 WORKDIR /data 11 12 # Define default command. 13 CMD ["bash"] Dockerfile Boa Prática
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27. docker run --name meubanco mariadb
28. DEMO
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35. eval “$(docker-machine env dev)”
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40. 1 wordpress: 2 image: wordpress 3 links: 4 - db:mysql 5 ports: 6 - 80:80 7 working_dir: /var/www/html 8 volumes: 9 - .:/var/www/html/wp-content/themes/development 10 db: 11 image: mariadb 12 environment: 13 MYSQL_ROOT_PASSWORD: example docker-compose.yml /PNF
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45. Pontos positivos • Mesmo ambiente em dev e prod • Dependências facilmente atualizadas • Leve e rápido • Possibilidade de compor containers
46. Pontos negativos • APIs mudam muito rápido • Conceito de containers é difícil de entender • Comandos muito extensos, difícil memorização
47. Vagrant x Docker • Vagrant + Provisionamento é difícil de atualizar • Containers são bem mais leves e com boot mais rápido
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56. Tutum Codeship DigitalOcean
57. VALEU! vilar.cc/about