# Ansible Role: Reverse Proxy

This role installs and configures Caddy as a reverse proxy.

## Role Variables

### `defaults/main.yml`

- `caddy_binary_url`: The URL to download the Caddy binary.
- `caddy_binary_path`: The path to install the Caddy binary.
- `caddy_user`: The user to run Caddy as.
- `caddy_group`: The group to run Caddy as.
- `caddy_config_path`: The path to the Caddy configuration file.
- `caddy_log_path`: The path to the Caddy log file.
- `caddy_systemd_service_path`: The path to the Caddy systemd service file.
- `caddy_systemd_service_name`: The name of the Caddy systemd service.
- `caddy_version`: The version of Caddy to install.
- `xcaddy_version`: The version of xcaddy to install.
- `go_version`: The version of Go to install.
- `go_download_url`: The URL to download Go from.
- `go_install_dir`: The directory to install Go to.
- `caddy_custom_plugins`: A list of custom plugins to install with Caddy.
- `netcup_customer_id`: Your Netcup customer ID.
- `netcup_api_key`: Your Netcup API key.
- `netcup_api_password`: Your Netcup API password.

### `vars/main.yml`

- `caddy_email`: The email address to use for Let's Encrypt.
- `caddy_domains`: A list of domains to configure for the reverse proxy.

## Handlers

- `restart caddy`: Restarts the Caddy service.

## Tasks

### `main.yml`

- `00_go_install.yml`: Installs Go.
- `10_caddy_install.yml`: Installs Caddy.
- `20_xcaddy_install.yml`: Installs xcaddy.
- `30_custom_caddy.yml`: Builds a custom Caddy binary with plugins.
- `50_netcup_dns.yml`: Configures Netcup DNS for Caddy.
- `80_configure.yml`: Configures Caddy.

## Usage

```yaml
- hosts: servers
  roles:
    - role: reverse_proxy
      vars:
        caddy_email: "user@example.com"
        caddy_domains:
          - domain: "example.com"
            proxy: "http://localhost:8080"
```