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docs: add Let's Encrypt email configuration note #3118

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5 changes: 5 additions & 0 deletions src/routes/docs/advanced/self-hosting/installation/+page.markdoc
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Expand Up @@ -137,6 +137,11 @@ For advanced users who prefer manual setup, you can install Appwrite using Docke

1. Create a directory named `appwrite` and place both `docker-compose.yml` and `.env` inside
2. Edit the `.env` file to customize your installation. At minimum, update `_APP_OPENSSL_KEY_V1` and `_APP_EXECUTOR_SECRET` with unique secret values

{% info title="Let's Encrypt" %}
If you plan to use Let's Encrypt for SSL certificates, make sure the `_APP_EMAIL_CERTIFICATE` environment variable in your `appwrite/.env` file is set to a valid email address before starting Appwrite. Without this value, Let's Encrypt certificates cannot be issued.

@greptile-apps greptile-apps Bot Jul 22, 2026

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P1 Certificate Email Variable Is Ignored

The manual installation configuration does not recognize the singular _APP_EMAIL_CERTIFICATE name. An installer following this note will set an unused variable while the certificate email remains unchanged, so the note does not prevent the certificate issue it describes.

Suggested change
If you plan to use Let's Encrypt for SSL certificates, make sure the `_APP_EMAIL_CERTIFICATE` environment variable in your `appwrite/.env` file is set to a valid email address before starting Appwrite. Without this value, Let's Encrypt certificates cannot be issued.
If you plan to use Let's Encrypt for SSL certificates, make sure the `_APP_SYSTEM_SECURITY_EMAIL_ADDRESS` environment variable in your `appwrite/.env` file is set to a valid email address before starting Appwrite.
Prompt To Fix With AI 
This is a comment left during a code review.
Path: src/routes/docs/advanced/self-hosting/installation/+page.markdoc
Line: 142

Comment:
**Certificate Email Variable Is Ignored**

The manual installation configuration does not recognize the singular `_APP_EMAIL_CERTIFICATE` name. An installer following this note will set an unused variable while the certificate email remains unchanged, so the note does not prevent the certificate issue it describes.

```suggestion
If you plan to use Let's Encrypt for SSL certificates, make sure the `_APP_SYSTEM_SECURITY_EMAIL_ADDRESS` environment variable in your `appwrite/.env` file is set to a valid email address before starting Appwrite.
```

How can I resolve this? If you propose a fix, please make it concise.

Fix in Claude Code Fix in Codex

{% /info %}

3. Start the Appwrite stack:

```bash
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