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[GUIDE] Starting a new Ruby on Rails project in docker
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| 1. Initialize your project folder with git: `git init` | |
| 1. Create (and commit) your project files with a temporary ruby image: | |
| docker run -it -v .:/rails ruby:3.2.2 /bin/bash | |
| cd /rails | |
| gem install rails | |
| rails new . | |
| exit | |
| 1. Copy the `Dockerfile` into a new `Dockerfile.dev` | |
| 1. Remove any "production", "precompile" instructions | |
| 1. Test it with `docker build Dockerfile.dev .` | |
| 1. Create a `docker-compose.yml` | |
| version: "3" | |
| services: | |
| app: | |
| build: | |
| context: . | |
| dockerfile: Dockerfile.dev | |
| command: ./bin/rails server -b 0.0.0.0 | |
| ports: | |
| - "3000:3000" | |
| volumes: | |
| - .:/rails | |
| 1. Configure the rails web console to work in docker in `development.rb` | |
| # Allow IRB in browser for a docker environment | |
| config.web_console.permissions = '192.168.0.0/16' |
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