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Notion Integration

Notion OAuth only supports HTTPS, so local deployments must use internal integration.

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Configure environment variables

Set in .env: 
NOTION_INTEGRATION_TYPE=internal
NOTION_INTERNAL_SECRET=your_internal_secret_here
For public integration (HTTPS only): 
NOTION_INTEGRATION_TYPE=public
NOTION_CLIENT_SECRET=oauth_client_secret
NOTION_CLIENT_ID=oauth_client_id
Get credentials from Notion Integrations.

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Text-to-Speech (TTS)

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FFmpeg not installed error

OpenAI TTS requires FFmpeg for audio stream segmentation. macOS: 
brew install ffmpeg
Ubuntu: 
sudo apt-get update
sudo apt-get install ffmpeg
CentOS: 
sudo yum install epel-release
sudo rpm -Uvh http://li.nux.ro/download/nux/dextop/el7/x86_64/nux-dextop-release-0-5.el7.nux.noarch.rpm
sudo yum update
sudo yum install ffmpeg ffmpeg-devel
Windows:
  1. Download from FFmpeg website
  2. Extract and move to C:\Program Files\
  3. Add FFmpeg bin directory to system PATH
  4. Verify: ffmpeg -version

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Model Tokenizers

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Can’t load tokenizer for ‘gpt2’

Error: 
Can't load tokenizer for 'gpt2'. If you were trying to load it from 'https://huggingface.co/models'...
Configure Hugging Face mirror or proxy in environment variables. See environment documentation for details.

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Security Policies

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Content Security Policy (CSP)

Enable CSP to reduce XSS attacks. In .env: 
CSP_WHITELIST=https://api.example.com,https://cdn.example.com
Add all domains used by your application (APIs, CDNs, analytics, etc.). See MDN CSP documentation for more information.

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Application Templates

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Custom templates

Currently not supported in community edition. Default templates are provided by Dify for reference only. Cloud version users can:
  • Add applications to workspace
  • Customize and save as personal applications
For enterprise custom templates, contact: [email protected]