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The web app is no longer maintained in favor of a desktop app, cheshire137/competiwatch-desktop.

A web app to let you track your competitive match history in Overwatch. Shows charts for each season. Lets you track your SR, what map you played on, which heroes you played, whether there were throwers or leavers in your game, the time of day you played, whether you played on a weekday or weekend, and notes for each game. Allows you to import past seasons from a spreadsheet as well as export your data.


Screenshot of match history

Screenshot of match form

Screenshot of trends Screenshot of charts Screenshot of map chart

How to Develop

You will need Ruby, Bundler, PostgreSQL, and npm installed.

bundle install
npm install
bin/rake db:setup

Create a API app, cp dotenv.sample .env, and copy your app key and secret into the .env file as BNET_APP_ID and BNET_APP_SECRET.

You will also need to use a service like ngrok to have a public URL that will hit your local server. Start ngrok via ngrok http 3000; look at the https URL it spits out. In your app, set as the "Register Callback URL" value. Set as "Web Site". Update .env so that BNET_APP_HOST is set to your

Make sure export ALLOW_SIGNUPS=1 is in your .env file to allow signing in for the first time in Competiwatch. Make sure export ALLOW_MATCH_LOGGING=1 is in your .env file to allow logging matches.

Start the Rails server via bundle exec rails s. Now you should be able to go to and sign in via


Models in Competiwatch:

Entity relationship diagram

How to Deploy to Heroku

Create an app on Heroku.

Create a app and set its "Register Callback URL" to Set as the "Web Site".

I used Terminal in macOS to run these commands. You could also use a terminal in Linux or a Git shell in Windows.

You need Git and the Heroku command-line tools installed.

Clone this repository via git clone Navigate to where you cloned this repository with cd competiwatch.

heroku git:remote -a your-heroku-app
heroku config:set BNET_APP_ID=your_app_id_here
heroku config:set BNET_APP_SECRET=your_app_secret_here
heroku config:set
heroku config:set DONATE_URL="your Patreon/PayPal/etc URL for taking donations"
heroku config:set ALLOW_MATCH_LOGGING=1
heroku config:set APP_REPO_URL="your GitHub URL for the desktop app"
git push heroku master
heroku run rake db:migrate
heroku ps:scale web=1
heroku open

To allow new users to sign up:

heroku config:set ALLOW_SIGNUPS=1

To display a message to authenticated users (Markdown is allowed):

heroku config:set AUTH_SITEWIDE_MESSAGE="your message here"

If you want to disallow logging matches:

heroku config:remove ALLOW_MATCH_LOGGING

When deploying a migration to Heroku:

heroku maintenance:on
git push heroku master
heroku run rake db:migrate
heroku maintenance:off

After updating the seeds file, such as to add a new season, map, or hero, you can run seeds on Heroku via:

git push heroku master
heroku run bin/rake db:seed


The app is set up for an SSL certificate from Let's Encrypt. When using certbot to generate a certificate, put the value it gives you in this in the LETS_ENCRYPT_VALUE environment variable on your server. See this article for steps.

To add a certificate initially:

heroku certs:add /etc/letsencrypt/live/your-domain/fullchain.pem /etc/letsencrypt/live/your-domain/privkey.pem

To renew a certificate:

sudo certbot certonly --manual

Then copy the provided string and set the environment variable on Heroku to that string:

heroku config:set LETS_ENCRYPT_VALUE="string from certbot here"

To update the certificate once it's been renewed:

sudo heroku certs:update /etc/letsencrypt/live/your-domain/fullchain.pem /etc/letsencrypt/live/your-domain/privkey.pem

See Renewing certificates with Certbot.

Database Backups

To back up the database from Heroku, you can use bin/backup-database which will capture the current state of the Heroku database, download it, and move the dump file to the directory specified in the BACKUP_DIR environment variable.


BACKUP_DIR=~/Dropbox bin/backup-database

Admin Accounts

You can set some accounts as administrators that can see general data such as how many matches have been logged and which accounts have signed in. Using a Rails console, set the admin flag to true. On Heroku, for example:

heroku run rails c
account = Account.find_by_battletag('TheBigBoss#1234')
account.admin = true

Once an account is marked as an admin, a new 'Admin' link will appear when they sign in using that account. You must sign in as the admin account, you can't sign in as one of the linked accounts tied to the same user.


See the libraries I'm using.


Web app to track and visualize your competitive match history in Overwatch.




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