Deploying Node.js to Heroku

This video tutorial guides viewers through deploying a Node.js application to Heroku. It covers setting up SSH keys, configuring package.json, handling environment variables, and finalizing the deployment process. By the end, viewers will have a live URL for their application, accessible to anyone with an internet connection. The tutorial emphasizes the ease of managing Heroku applications via the command line and provides step-by-step instructions for ensuring the application runs correctly on Heroku's infrastructure.

What is one advantage of using Heroku for managing applications compared to GitHub?

• Heroku allows management from the terminal.

• Heroku provides free domain names.

• Heroku offers unlimited storage.

• Heroku has a built-in code editor.

What command is used to add SSH keys to Heroku?

• heroku keys:add

• heroku keygen

• heroku add:keys

• heroku ssh:add

Why is it important to name your Heroku application uniquely?

• To avoid conflicts with other applications.

• To increase application speed.

• To reduce deployment time.

• To enhance security features.

What file needs to be modified to tell Heroku how to start the application?

• package.json

• server.js

• index.html

• config.yaml

How does Heroku determine which port to use for the application?

• Through an environment variable

• By using a default port of 8080

• By hardcoding the port in the code

• By asking the user during deployment

What should be removed from the fetch URL in client-side JavaScript to ensure compatibility with Heroku?

• The domain and port

• The HTTP method

• The query parameters

• The API key

What command is used to push the latest commits to the Heroku remote?

• git push heroku master

• git deploy heroku

• heroku push origin

• heroku commit master

What is the default URL structure for a Heroku application?

• appname.herokuapp.com

• herokuapp.com/appname

• heroku.appname.com

• appname.heroku.com

What is the purpose of using 'git add .' before committing changes?

• To stage all modified files for commit

• To delete all untracked files

• To reset the repository to the last commit

• To push changes directly to Heroku

What can be configured to use a custom domain with a Heroku app?

• DNS records

• SSL certificates

• Firewall settings

• Load balancer