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docs: update external layer instruction

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2021-12-12 11:55:16 +07:00
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docs/src/deployment/external_resources.md
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# External resources
> These resources are optional, the homelab still works without them but will lack some features like trusted certificates and offsite backup
Although I try to keep the amount of external resources to the minimum, there's still need for a few of them.
Below is a list of external resources and why we need them.
- Terraform Cloud:
- Workspace to store the state for external resources
- Cloudflare:
- DNS
- DNS-01 challenge for Let's Encrypt
- Tunnel to public services to the internet without port-forwarding
- Backblaze:
- B2 storage with S3 compatible API for offsite backup
The code for these resources is located at `./external`.
## Setup
### Create Terraform workspace
TODO
### Get Cloudflare API key
TODO
### Get Backblaze API key
TODO
## Deploy
Export environment variables for API keys:
```sh
export CLOUDFLARE_API_KEY=xxx
export B2_APPLICATION_KEY_ID=xxx
export B2_APPLICATION_KEY=xxx
```
Apply Terraform:
```sh
make external
```
{{#include ../../../external/README.md}}