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homelab-opentofu/modules/20-services-apps/crawl4ai/README.md
Yuris Cakranegara a63f144bf1 feat: add crawl4ai
2025-06-30 22:22:08 +10:00

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# Crawl4AI Module
This module deploys [Crawl4AI](https://github.com/unclecode/crawl4ai), a web crawling and AI analysis tool, as a Docker container in the homelab environment.
## Overview
The Crawl4AI module:
- Deploys the `unclecode/crawl4ai` Docker container
- Configures resource limits and reservations for memory
- Provides shared memory access for Chrome/Chromium performance
- Supports custom configuration through volume mounting
- Provides service definition for integration with networking modules
## Usage
```hcl
module "crawl4ai" {
source = "./modules/20-services-apps/crawl4ai"
volume_path = "/path/to/volumes"
networks = ["homelab-network"]
}
```
## Variables
| Variable | Description | Type | Default |
| --------------------- | ------------------------------------------------- | -------------- | ----------- |
| `image_tag` | Tag of the Crawl4AI image to use | `string` | `"latest"` |
| `volume_path` | Host path for Crawl4AI data volumes | `string` | - |
| `networks` | List of networks to attach the container to | `list(string)` | `[]` |
## Outputs
| Output | Description |
| -------------------- | ---------------------------------------------------------- |
| `service_definition` | Service definition for integration with networking modules |
## Service Definition
This module outputs a service definition that is used by the networking modules to expose the service.
```hcl
{
name = "crawl4ai"
primary_port = 11235
endpoint = "http://crawl4ai:11235"
}
```
## Environment Variables
Crawl4AI requires API keys for various LLM providers. These are configured through a `.env` file in the module directory. You should create this file based on the provided `.env.example` template:
- `OPENAI_API_KEY`: OpenAI API key
- `DEEPSEEK_API_KEY`: DeepSeek API key
- `ANTHROPIC_API_KEY`: Anthropic API key
- `GROQ_API_KEY`: Groq API key
- `TOGETHER_API_KEY`: Together API key
- `MISTRAL_API_KEY`: Mistral API key
- `GEMINI_API_TOKEN`: Gemini API token
## Configuration
Crawl4AI requires a custom configuration file. This is mounted from `${volume_path}/crawl4ai/config.yml` to `/app/config.yml` in the container.
## Ports
Crawl4AI exposes one port, which is mapped to host ports defined in the `.env` file:
1. Frontend (port 11235) - The main web interface for accessing games
## Example Integration in Main Configuration
```hcl
module "crawl4ai" {
source = "./modules/20-services-apps/crawl4ai"
volume_path = module.system_globals.volume_host
networks = [module.services.homelab_docker_network_name]
memory_limit = 8192 # 8GB if you need more memory
}
# The service definition is automatically included in the services output
module "services" {
source = "./modules/services"
# ...
service_definitions = [
module.crawl4ai.service_definition,
# Other service definitions
]
}
```