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62 lines
2 KiB
Markdown
62 lines
2 KiB
Markdown
# Tailscale in Docker without elevated privileges
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See associated blog post: <https://asselin.engineer/tailscale-docker>
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**Set the TAILSCALE_AUTH_KEY with your own ephemeral auth key**: <https://login.tailscale.com/admin/settings/keys>
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## docker-compose
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The examples detailed below are in the docker-compose folder.
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By default, no state is saved. The nodes are removed from the network when the tailscale container is terminated. This means the ip address is never the same.
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The `stateful-example` does save the tailscale node state to a docker volume.
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Requirements:
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- [docker-compose](https://docs.docker.com/compose/install/)
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Usage:
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````bash
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export TAILSCALE_AUTH_KEY="your-key"
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# set which project is used
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export PROJECT_DIRECTORY="docker-compose/simple-example"
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# Sart with rebuild if necessary:
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docker-compose --project-directory=${PROJECT_DIRECTORY} up -d --build
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# Show logs and tail (follow):
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docker-compose --project-directory=${PROJECT_DIRECTORY} logs --follow
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# Stop:
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docker-compose --project-directory=${PROJECT_DIRECTORY} down
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````
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### simple-example
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As explained in the blog post, uses a docker-compose service to add the container in the VPN.
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### complex-example
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Not complex but more complex than the simple-example.
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A nginx layer is added. It manages two services in independent containers at urls `/service-one` and `/service-two`.
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### stateful-example
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Same as simple-example but uses a volume to save state. The goal is to be able to reuse the same tailscale hostname _and ip address_.
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Useful in situations where the tailscale magic DNS cannot be used.
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## K8S
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Same as the simple-example but on kubernetes.
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Requirements:
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- [Kind](https://kind.sigs.k8s.io/docs/user/quick-start/#installing-with-a-package-manager)
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- [Kubectl](https://kubernetes.io/docs/tasks/tools/)
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Usage:
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````bash
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# Create cluster
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kind create cluster --name tailscale
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kubectl get nodes
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# Deploy tailscale and demo webpage:
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kubectl apply -f k8s/simple-example/deployment.yaml
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# Delete cluster:
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kind delete cluster --name tailscale
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````
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