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Deploying to Dokku

Create the app

# On your Dokku server
dokku apps:create versions

Set the GitHub token

The token is needed both at build time (initial deploy) and at runtime (scheduled rebuilds).

dokku config:set versions GITHUB_TOKEN=ghp_your_token_here
dokku docker-options:add versions build "--build-arg GITHUB_TOKEN=ghp_your_token_here"

Set up Plausible analytics (optional)

If you use Plausible for analytics, set the domain to enable the tracking script:

dokku config:set versions PLAUSIBLE_DOMAIN=versions.yourdomain.com PLAUSIBLE_ENDPOINT=https://analytics.yourdomain.com
dokku docker-options:add versions build "--build-arg PLAUSIBLE_DOMAIN=versions.yourdomain.com"
dokku docker-options:add versions build "--build-arg PLAUSIBLE_ENDPOINT=https://analytics.yourdomain.com"
dokku ps:rebuild versions

If omitted, no analytics script is loaded.

Configure the domain (optional)

dokku domains:set versions versions.yourdomain.com

Deploy

From your local machine, add the Dokku remote and push:

git remote add dokku dokku@your-server:versions
git push dokku main

Dokku detects the Dockerfile, builds the image (fetching version data during npm run build), and starts the container serving static files on port 5000. The container automatically rebuilds the site every X hours (defined in start.sh) to refresh version data.

Set up port mapping

Dokku needs to know which port the container listens on so nginx can proxy to it:

dokku ports:add versions http:80:5000

Enable HTTPS (optional)

The app must be deployed and running before enabling Let's Encrypt - the ACME challenge needs to reach your app via HTTP to verify domain ownership.

If you use the letsencrypt plugin:

dokku letsencrypt:enable versions

Scheduled rebuilds

Version data is frozen at build time. The web container runs a background loop (start.sh) that rebuilds the site every X hours to refresh version data. This works automatically after deploy - no extra setup needed.

Useful commands

# Check app status
dokku ps:report versions

# View build/runtime logs
dokku logs versions

# Manual rebuild (e.g. after adding a package to packages.yml and pushing)
dokku ps:rebuild versions

# Update the GitHub token
dokku config:set versions GITHUB_TOKEN=ghp_new_token
dokku docker-options:remove versions build "--build-arg GITHUB_TOKEN=ghp_old_token"
dokku docker-options:add versions build "--build-arg GITHUB_TOKEN=ghp_new_token"
dokku ps:rebuild versions