roberson-miguel / workshop_treinadev_docker

Workshop TreinaDev - Rebase - 2020

Docker

Criando projeto Rails com Docker

Requisitos

• Docker
• Editor

Criando arquivos iniciais

• Dockerfile

FROM ruby:2.6.5

RUN curl -sL https://deb.nodesource.com/setup_13.x | bash -

RUN apt-get update && \
      apt-get install -y vim nodejs
RUN npm install -g yarn

WORKDIR /workshop_treinadev

• docker-compose.yml

version: '3.0'

services:
  web:
    build: .
    volumes:
      - .:/workshop_treinadev
    links:
      - db
    env_file: .env
  db:
    image: postgres
    env_file: .env

• .env

DB_HOST=db
DB_USERNAME=postgres

Criando a imagem inicial

docker-compose build

Criando o projeto

Entre no container da aplicação

docker-compose run web bash

Crie o projeto

gem install rails

rails new . -T --database=postgresql

Gem Adicionais

pry-byebug
capybara
rspec-rails
factory_bot_rails
devise

Versão final do Dockerfile

• Dockerfile

FROM ruby:2.6.5

RUN curl -sL https://deb.nodesource.com/setup_13.x | bash -

RUN apt-get update && \
      apt-get install -y vim nodejs
RUN npm install -g yarn

WORKDIR /workshop_treinadev

ADD . /workshop_treinadev

RUN bundle install

Execute o build novamente

docker-compose build (Pode ser quer precise usar sudo)

Execute os generators das gems adicionais

Dentro do container web execute:

rails g rspec:install
rails g devise:install

Edite o rails_helper.rb

Adicione as linhas

  config.include FactoryBot::Syntax::Methods
  config.include Warden::Test::Helpers