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Docker docs enhancements

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While configuring a Docker setup I noticed that the docs could use some enhancements.
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Niek van der Maas 2022-03-22 13:45:30 +01:00 committed by GitHub
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docs/running-headscale-container.md
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@ -14,8 +14,8 @@ not work with alternatives like [Podman](https://podman.io). The Docker image ca
1. Prepare a directory on the host Docker node in your directory of choice, used to hold `headscale` configuration and the [SQLite](https://www.sqlite.org/) database: 1. Prepare a directory on the host Docker node in your directory of choice, used to hold `headscale` configuration and the [SQLite](https://www.sqlite.org/) database:
```shell ```shell
mkdir ./headscale && cd ./headscale mkdir -p ./headscale/config
mkdir ./config cd ./headscale
``` ```
2. Create an empty SQlite datebase in the headscale directory: 2. Create an empty SQlite datebase in the headscale directory:
@ -44,7 +44,13 @@ curl https://raw.githubusercontent.com/juanfont/headscale/main/config-example.ya
touch ./config/config.yaml touch ./config/config.yaml
``` ```
Modify the config file to your preferences before launching Docker container. Modify the config file to your preferences before launching Docker container. Here are some settings that you likely want:
```yaml
server_url: http://your-host-name:8080 # Change to your hostname or host IP
metrics_listen_addr: 0.0.0.0:9090 # Listen to 0.0.0.0 so it's accessible outside the container
private_key_path: /etc/headscale/private.key # The default /var/lib/headscale path is not writable in the container
db_path: /etc/headscale/db.sqlite # The default /var/lib/headscale path is not writable in the container
```
4. Start the headscale server while working in the host headscale directory: 4. Start the headscale server while working in the host headscale directory:
@ -54,7 +60,7 @@ docker run \
--detach \ --detach \
--rm \ --rm \
--volume $(pwd)/config:/etc/headscale/ \ --volume $(pwd)/config:/etc/headscale/ \
--publish 127.0.0.1:8080:8080 \ --publish 0.0.0.0:8080:8080 \
--publish 127.0.0.1:9090:9090 \ --publish 127.0.0.1:9090:9090 \
headscale/headscale:<VERSION> \ headscale/headscale:<VERSION> \
headscale serve headscale serve
@ -87,7 +93,7 @@ curl http://127.0.0.1:9090/metrics
6. Create a namespace ([tailnet](https://tailscale.com/kb/1136/tailnet/)): 6. Create a namespace ([tailnet](https://tailscale.com/kb/1136/tailnet/)):
```shell ```shell
docker exec headscale -- headscale namespaces create myfirstnamespace docker exec headscale headscale namespaces create myfirstnamespace
``` ```
### Register a machine (normal login) ### Register a machine (normal login)
@ -101,7 +107,7 @@ tailscale up --login-server YOUR_HEADSCALE_URL
To register a machine when running `headscale` in a container, take the headscale command and pass it to the container: To register a machine when running `headscale` in a container, take the headscale command and pass it to the container:
```shell ```shell
docker exec headscale -- \ docker exec headscale \
headscale --namespace myfirstnamespace nodes register --key <YOU_+MACHINE_KEY> headscale --namespace myfirstnamespace nodes register --key <YOU_+MACHINE_KEY>
``` ```
@ -110,7 +116,7 @@ docker exec headscale -- \
Generate a key using the command line: Generate a key using the command line:
```shell ```shell
docker exec headscale -- \ docker exec headscale \
headscale --namespace myfirstnamespace preauthkeys create --reusable --expiration 24h headscale --namespace myfirstnamespace preauthkeys create --reusable --expiration 24h
``` ```