freenas-iocage-caddy | Script to install Caddy V2 in a FreeNAS jail

Download the repository to a convenient directory on your TrueNAS/FreeNAS system by changing to that directory and running git clone https://github.com/danb35/freenas-iocage-caddy. Then change into the new freenas-iocage-caddy directory and create a file called caddy-config with your favorite text editor. In its minimal form, it would look like this:.
JAIL_IP is the IP address for your jail. You can optionally add the netmask in CIDR notation (e.g., 192.168.1.199/24). If not specified, the netmask defaults to 24 bits. Values of less than 8 bits or more than 30 bits are invalid.
DEFAULT_GW_IP is the address for your default gateway
POOL_PATH is the path for your data pool.
JAIL_NAME: The name of the jail, defaults to "caddy"
CONFIG_PATH: This is the path to your Caddyfile, defaults to $POOL_PATH/apps/caddy.
INTERFACE: The network interface to use for the jail. Defaults to vnet0.
VNET: Whether to use the iocage virtual network stack. Defaults to on.
DNS_PLUGIN: This contains the name of the DNS validation plugin you'll use with Caddy to validate domain control. Visit the Caddy download page to see the DNS authentication plugins currently available. To build Caddy with your desired plugin, use the last part of the "Package" on that page as DNS_PLUGIN in your caddy-config file. E.g., if the package name is github.com/caddy-dns/cloudflare, you'd set DNS_PLUGIN=cloudflare. From that page, there are also links to the documentation for each plugin, which will describe what credentials are needed.