Starting the Application
We’re currently making rapid changes to the product so our docs may be out of date. If you need help, please email email@example.com.
Starting the application
Start the application, Webpack, and our job runner Sidekiq by running:
(This just runs
foreman start -f Procfile.dev, for notes on how to install
Foreman, please see Other Tools)
Then point your browser to http://localhost:3000/ to view the site. To log in use the admin account created by default (see Database)
If you run into issues while trying to run
bin/setup and the error message
isn't helpful, try running
bin/rails s -p 3000. For example, you may need to
yarn install before starting the app.
If Sidekiq is producing errors similar to
No such file or directory - [SOME FILE], you may need to start Sidekiq by
itself once to help it initialize itself fully. You can use the command
bundle exec sidekiq to do this.
If you're working on Forem regularly, you can use
alias start="bin/startup" to
make this even easier. 😊
If you're using
pry for debugging in Rails, note that using
pry together works, but it's not as clean as
Here are some singleton commands you may need, usually in a separate instance/tab of your shell.
- Running the job Sidekiq server (if using
bin/rails server) -- this is mostly for notifications and emails:
bundle exec sidekiq
Current gotchas: potential environment issues with external services need to be worked out.
Starting the application (advanced)
To have additional control in your local environment, you might prefer using an advanced setup to start the application by using Overmind.
This will allow you to launch all your app's processes in the same terminal, navigate the logs of each service separately, restart each service separately and have a better debugging experience.
After installing Overmind, launch the application:
overmind s -f Procfile.dev
Debugging the Rails application
Overmind lets you easily step through the Rails application in a debugging session.
pry gem, you can add a
binding.pry to set a breakpoint in the
method you're trying to debug; the application will halt its execution there.
You can then connect to the web server by opening a separate terminal window and
overmind c web
This will open up a tmux window pane at the debugging statement position, which will look something like this:
From: /forem/app/controllers/admin/overview_controller.rb:8 Admin::OverviewController#index:
5: def index
6: a = "Hello debugger"
=> 8: end
Inspecting the logs of each service
Overmind launches the various services required for our local setup:
Rails web server),
(the server managing the asynchronous queue).
If, for example, you want to inspect just the Sidekiq logs, you can open a separate terminal window to look at those logs specifically:
overmind c sidekiq
This will open a
tmux console, which will allow you to browse only the
There are also some handy
tmux shortcuts that you may find useful.
- The shortcut
C-b [(Control-b-open square bracket) activates "scroll mode", which allows you to use the arrows up and down and inspect the logs.
- The shortcut
qdeactivates "scroll mode".
Please refer to tmux documentation for more information around
configuration and for additional shortcuts.