https://github.com/outline/acm

Automatic wildcard certificate management for Cloudflare and Heroku
https://github.com/outline/acm

certificates heroku letsencrypt ssl

Last synced: 10 months ago
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Automatic wildcard certificate management for Cloudflare and Heroku

• Host: GitHub
• URL: https://github.com/outline/acm
• Owner: outline
• Created: 2018-10-31T03:41:30.000Z (over 7 years ago)
• Default Branch: master
• Last Pushed: 2023-04-13T22:35:25.000Z (about 3 years ago)
• Last Synced: 2025-03-22T07:33:22.561Z (about 1 year ago)
• Topics: certificates, heroku, letsencrypt, ssl
• Language: Shell
• Homepage:
• Size: 10.7 KB
• Stars: 58
• Watchers: 3
• Forks: 18
• Open Issues: 1
• Metadata Files:
  • Readme: README.md

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README

          
# outline-acm

This script can be run on Heroku using CRON and will automatically create and manage a wildcard SSL certificate issued by LetsEncrypt. If you're running a Heroku application with dynamic subdomains this is a great way to get a free SSL cert. Found this useful? Considering [sponsoring our open source](https://github.com/sponsors/outline).

## Deployment

Deploy to Heroku and set up the schedule to look like this:

![image](https://user-images.githubusercontent.com/380914/106781088-848e9480-65fd-11eb-857e-4825707f28c5.png)

Ensure all environment variables in cert.sh are set in the environment:

- `DOMAIN`

- `CLOUDFLARE_EMAIL`

- `CLOUDFLARE_API_KEY`

- `HEROKU_API_KEY`

- `HEROKU_APP`