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Update README to indicate port 80 caeveat. #22

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Jun 29, 2020
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Update README to indicate port 80 caeveat. #22

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2 changes: 2 additions & 0 deletions README.md
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Expand Up @@ -46,6 +46,8 @@ volumes:

Launch that docker-compose file, and you're good to go; `certbot` will automatically request an SSL certificate for any `nginx` sites that look for SSL certificates in `/etc/letsencrypt/live`, and will automatically renew them over time.

Note: using a `server` block that listens on port 80 may cause issues with renewal. This container will already handle forwarding to port 443, so they are unnecessary.

## Templating

You may wish to template your configurations, e.g. passing in a hostname so as to be able to run multiple identical copies of this container; one per website. The docker container will use [`envsubst`](https://www.gnu.org/software/gettext/manual/html_node/envsubst-Invocation.html) to template all mounted user configs with a user-provided list of environment variables. Example:
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