DiegoRenan / ruby-3-tutorial

Install Docker

• on Ubuntu: https://docs.docker.com/engine/install/ubuntu/#install-using-the-repository

• on MacOs: https://docs.docker.com/desktop/install/mac-install/

Running tutorial

1. Init bundle

bundle init

2. Generate a Gemfile.lock

docker run --rm -v "$PWD":/usr/src/app -w /usr/src/app ruby:3.2.3 bundle install

3. Build ruby-3-tutorial image

docker build -t ruby-3-tutorial .

4. Running a ruby-3-tutorial container

docker run -it --name ruby-3-tutorial ruby-3-tutorial

Should be printed "Hello, world!"

Running a single script

docker run -it --rm --name ruby -v "$PWD":/usr/src/app -w /usr/src/app ruby:3.2.3 ruby hello_world.rb

Should be printed "Hello, world!"

Try examples with interactive terminal mode

docker run -it ruby:3.2.3