Heracudo

Heroku review applications custom domain hooks.

Special heroku review application hooks which make usage of fancy custom review application domain possible.

Heroku Review Apps + Cloudflare + Github Pull Requests

Installation

1. npm i heracudo --save Must be installed in dependencies, not devDependencies, in order not to be pruned after Heroku installation process.

2. Edit your app.json:

     {
       "scripts": {
         "postdeploy": "hrcd-postdeploy",
         "pr-predestroy": "hrcd-predestroy"
       }
     }

   2.1 Optionally edit your package.json. Used to mark links as pending or ready when Heroku review application is rebuilding after Github pull request receives new commits. Add this hooks in scripts which works best for you, when application started rebuilding, and before starting the application.

     {
       "scripts": {
         "postinstall": "hrcd-markpending",
         "postbuild": "hrcd-markready"
       }
     }

3. Add environment variables for Heroku review applications. Either in pipeline settings, or app.json:

   Required:

   • HOSTNAME | HRCD_HOSTNAME Comma separated hostname list which are used as a base for review application domain variations.
     • Review application domain for domain.tld will be {number}.domain.tld
     • Review application domain for subdomain.domain.tld will be {number}-subdomain.domain.tld
   • HEROKU_TOKEN | HRCD_HEROKU_TOKEN Heroku API access token.
   • CLOUDFLARE_ZONE_ID | HRCD_CLOUDFLARE_ZONE_ID Cloudflare domain zone ID.
   • CLOUDFLARE_TOKEN | HRCD_CLOUDFLARE_TOKEN Cloudflare API access token.
   • GITHUB_TOKEN | HRCD_GITHUB_TOKEN Github API access token.
   • GITHUB_REPOSITORY | HRCD_GITHUB_REPOSITORY Github repository name in format username/repository_name.

   Optional:

   • HRCD_GITHUB_LINK_MARKER A string which will be added before of review app link in Github pull request description. Defaults to ## Preview:
   • HRCD_GITHUB_LINK_PENDING A string which will be added after of review app link in Github pull request description when application is building. Defaults to ⏳
   • HRCD_GITHUB_LINK_READY A string which is added in front of review app link in Github pull request description when application is ready. Defaults to 🚀

Hooks

• hrcd-postdeploy Triggered only once when review application is created. Adds domain to Heroku review application, creates respective CNAME in Cloudflare, adds newly created Review application link on top of Github pull request description.
• hrcd-markpending (Optional) Triggered every time (whenever defined in npm scripts) to mark Heroku review application link in Github pull request description as "pending"
• hrcd-markready (Optional) Triggered every time (whenever defined in npm scripts) to mark Heroku review application link in Github pull request description as "ready"
• hrcd-predestroy Triggered only once when review application is going to be destroyed. Removes domains from Heroku review application, deletes CNAMEs in Cloudflare, removes Review application link on top of Github pull request description.