|| Public deployments| Offline deployments|

|------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|--------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| Terraform binary| By default, Coder downloads Terraform binary from[releases.hashicorp.com](https://releases.hashicorp.com)| Terraform binary must be included in`PATH` for the VM or container image.[Supported versions](https://github.com/coder/coder/blob/main/provisioner/terraform/install.go#L23-L24)|

| Terraform registry| Coder templates will attempt to download providers from[registry.terraform.io](https://registry.terraform.io) or[custom source addresses](https://developer.hashicorp.com/terraform/language/providers/requirements#source-addresses) specified in each template|[Custom source addresses](https://developer.hashicorp.com/terraform/language/providers/requirements#source-addresses) can be specified in each Coder template, or a custom registry/mirror can be used. More details below|

| STUN| By default, Coder uses Google's public STUN server for direct workspace connections| STUN can be safely[disabled](../reference/cli/server.md#--derp-server-stun-addresses) users can still connect via[relayed connections](../admin/networking/index.md#-geo-distribution). Alternatively, you can set a[custom DERP server](../reference/cli/server.md#--derp-server-stun-addresses)|