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Merge pull request #2051 from infosiftr/ruby 

Update examples from "ruby:2.5" to "ruby:3.0"
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yosifkit 2021-10-06 13:58:03 -07:00 committed by GitHub
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@ -11,7 +11,7 @@ Ruby is a dynamic, reflective, object-oriented, general-purpose, open-source pro
## Create a `Dockerfile` in your Ruby app project ## Create a `Dockerfile` in your Ruby app project
```dockerfile ```dockerfile
FROM %%IMAGE%%:2.5 FROM %%IMAGE%%:3.0
# throw errors if Gemfile has been modified since Gemfile.lock # throw errors if Gemfile has been modified since Gemfile.lock
RUN bundle config --global frozen 1 RUN bundle config --global frozen 1
@ -40,7 +40,7 @@ $ docker run -it --name my-running-script my-ruby-app
The above example `Dockerfile` expects a `Gemfile.lock` in your app directory. This `docker run` will help you generate one. Run it in the root of your app, next to the `Gemfile`: The above example `Dockerfile` expects a `Gemfile.lock` in your app directory. This `docker run` will help you generate one. Run it in the root of your app, next to the `Gemfile`:
```console ```console
$ docker run --rm -v "$PWD":/usr/src/app -w /usr/src/app %%IMAGE%%:2.5 bundle install $ docker run --rm -v "$PWD":/usr/src/app -w /usr/src/app %%IMAGE%%:3.0 bundle install
``` ```
## Run a single Ruby script ## Run a single Ruby script
@ -48,7 +48,7 @@ $ docker run --rm -v "$PWD":/usr/src/app -w /usr/src/app %%IMAGE%%:2.5 bundle in
For many simple, single file projects, you may find it inconvenient to write a complete `Dockerfile`. In such cases, you can run a Ruby script by using the Ruby Docker image directly: For many simple, single file projects, you may find it inconvenient to write a complete `Dockerfile`. In such cases, you can run a Ruby script by using the Ruby Docker image directly:
```console ```console
$ docker run -it --rm --name my-running-script -v "$PWD":/usr/src/myapp -w /usr/src/myapp %%IMAGE%%:2.5 ruby your-daemon-or-script.rb $ docker run -it --rm --name my-running-script -v "$PWD":/usr/src/myapp -w /usr/src/myapp %%IMAGE%%:3.0 ruby your-daemon-or-script.rb
``` ```
## Encoding ## Encoding