### Configure Healthchecks.io Provider and Resource

Source: https://registry.terraform.io/providers/kristofferahl/healthchecksio/latest/docs

Initializes the provider with an API key and defines a health check resource with scheduling and tagging.

```hcl
provider "healthchecksio" {
  api_key = var.healthchecksio_api_key
  version = "~> 2.1.0"
}

variable "healthchecksio_api_key" {
  type        = string
  description = "API Key. To keep secrets out of code first set environment variable TF_VAR_healthchecksio_api_key"
}

resource "healthchecksio_check" "test" {
  name = "test-check"
  desc = "A description for the check"

  tags = [
    "go",
    "gophers",
    "unite",
  ]

  grace = 120 # in seconds
  schedule = "0,30 2 * * *"
  timezone = "Asia/Tokyo"
}

output "ping_url" {
  value = healthchecksio_check.test.ping_url
}
```

--------------------------------

### provider "healthchecksio"

Source: https://registry.terraform.io/providers/kristofferahl/healthchecksio/latest/docs

Configures the healthchecksio provider with the required API key.

```APIDOC
## provider "healthchecksio"

### Description
Configures the connection to the Healthchecks.io API.

### Arguments
- **api_key** (string) - Required - The healthchecks.io API Key. Can also be set via HEALTHCHECKSIO_API_KEY environment variable.
- **api_url** (string) - Optional - The healthchecks.io API URL. Can also be set via HEALTHCHECKSIO_API_URL environment variable.
```

--------------------------------

### resource "healthchecksio_check"

Source: https://registry.terraform.io/providers/kristofferahl/healthchecksio/latest/docs

Defines a health check resource within Healthchecks.io.

```APIDOC
## resource "healthchecksio_check"

### Description
Manages a check resource on Healthchecks.io.

### Attributes
- **name** (string) - The name of the check.
- **desc** (string) - A description for the check.
- **tags** (list) - A list of tags associated with the check.
- **grace** (number) - The grace period in seconds.
- **schedule** (string) - The cron schedule for the check.
- **timezone** (string) - The timezone for the schedule.

### Outputs
- **ping_url** (string) - The URL to ping for this check.
```

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