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Further Let's Encrypt ratelimit warnings

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hcooper 2023-01-04 03:10:05 -08:00 committed by GitHub
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docs/content/https/acme.md
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@ -11,7 +11,11 @@ Automatic HTTPS
You can configure Traefik to use an ACME provider (like Let's Encrypt) for automatic certificate generation.
!!! warning "Let's Encrypt and Rate Limiting"
Note that Let's Encrypt API has [rate limiting](https://letsencrypt.org/docs/rate-limits).
Note that Let's Encrypt API has [rate limiting](https://letsencrypt.org/docs/rate-limits). These last up to __one week__, and can not be overridden.
When running Traefik in a container this file should be persisted across restarts.
If Traefik requests new certificates each time it starts up, a crash-looping container can quickly reach Let's Encrypt's ratelimits.
To configure where certificates are stored, please take a look at the [storage](#storage) configuration.
Use Let's Encrypt staging server with the [`caServer`](#caserver) configuration option
when experimenting to avoid hitting this limit too fast.