From 7e286c570e70ed1504f055e0e727c85b95104947 Mon Sep 17 00:00:00 2001 From: Niek van der Maas Date: Tue, 22 Mar 2022 13:45:30 +0100 Subject: [PATCH] Docker docs enhancements While configuring a Docker setup I noticed that the docs could use some enhancements. --- docs/running-headscale-container.md | 20 +++++++++++++------- 1 file changed, 13 insertions(+), 7 deletions(-) diff --git a/docs/running-headscale-container.md b/docs/running-headscale-container.md index 36e63de9..36ea77e1 100644 --- a/docs/running-headscale-container.md +++ b/docs/running-headscale-container.md @@ -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: ```shell -mkdir ./headscale && cd ./headscale -mkdir ./config +mkdir -p ./headscale/config +cd ./headscale ``` 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 ``` -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: @@ -54,7 +60,7 @@ docker run \ --detach \ --rm \ --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 \ headscale/headscale: \ 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/)): ```shell -docker exec headscale -- headscale namespaces create myfirstnamespace +docker exec headscale headscale namespaces create myfirstnamespace ``` ### 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: ```shell -docker exec headscale -- \ +docker exec headscale \ headscale --namespace myfirstnamespace nodes register --key ``` @@ -110,7 +116,7 @@ docker exec headscale -- \ Generate a key using the command line: ```shell -docker exec headscale -- \ +docker exec headscale \ headscale --namespace myfirstnamespace preauthkeys create --reusable --expiration 24h ```