Fix markdown links

doc/md/tutorial/2-setup.mdx

@@ -21,7 +21,7 @@ Holos is distributed as a single file executable that can be installed in a coup
 
 ### Releases
 
-Download `holos` from the [releases](https://github.com/holos-run/holos/releases) page and place the executable into your shell path.
+Download `holos` from the [releases] page and place the executable into your shell path.
 
 ### Go install
 
@@ -38,15 +38,13 @@ Kubernetes cluster to start using the tool or understand its workflow. However,
 you will need a cluster eventually to apply the rendered manifests and verify
 that they achieve the desired end state.
 
-We recommend using [k3d](https://k3d.io/) to set up a minimal Kubernetes cluster with
-[Orbstack](https://docs.orbstack.dev/install) or
-[Docker](https://docs.docker.com/get-started/get-docker/). To simplify this,
-we've created [the Local Cluster guide](../topics/4-local-cluster.mdx) which
-automates the process, ensuring proper DNS and TLS certificates, and includes a
-script to reset the cluster to a known good state.
+We recommend using [K3d] to set up a minimal Kubernetes cluster with [Orbstack]
+or [Docker]. To simplify this, we've created [the K3d local cluster
+guide][localcluster] which automates the process, ensuring proper DNS and TLS
+certificates, and includes a script to reset the cluster to a known good state.
 
 When you're ready to experiment with a live Kubernetes cluster, refer to [the
-Local Cluster guide](../topics/4-local-cluster.mdx).
+k3d local cluster guide][localcluster].
 
 # Initialize a new Platform
 
@@ -77,9 +75,15 @@ capabilities of your platform.
 # Next Steps
 
 Now that you've got Holos and its prerequisites installed, continue on to the
-[Hello Holos page](./3-hello-holos.mdx) where we will guide you through the
+[Hello Holos page][helloholos] where we will guide you through the
 process of creating your first Component and modeling a Helm chart.
 
+[K3d]: https://k3d.io/
+[Orbstack]: https://docs.orbstack.dev/install
+[Docker]: https://docs.docker.com/get-started/get-docker/
+[localcluster]: ../topics/4-local-cluster.mdx
+[helloholos]: ./3-hello-holos.mdx
 [helm]: https://github.com/helm/helm/releases
 [kubectl]: https://kubernetes.io/docs/tasks/tools/
+[releases]: https://github.com/holos-run/holos/releases
 [kustomize]: https://kustomize.io/

doc/md/tutorial/3-hello-holos.mdx

@@ -1 +1,70 @@
+import Tabs from '@theme/Tabs';
+import TabItem from '@theme/TabItem';
+
 # Hello Holos
+
+One of the first exercises you perform when learning a new programming language
+is to print out the "Hello World!" greeting. For Holos, our "Hello Holos"
+exercise involves modeling the [podinfo Helm chart][podinfo] that produces a
+similar greeting message from a Kubernetes Pod.
+
+By the end of this tutorial you will gain the understanding of how to model
+an individual Holos Component using a Helm chart as its source.
+
+# The code
+
+### Podinfo Helm Chart
+
+Let's start by creating a directory for `podinfo`, touching an empty CUE file,
+and then populating it with the CUE code below:
+
+<Tabs groupId="tutorial-hello-podinfo-helm-cue-code">
+  <TabItem value="projects/tutorial/components/podinfo/podinfo.cue" label="Podinfo Helm Chart">
+```bash
+mkdir -p projects/tutorial/components/podinfo
+touch projects/tutorial/components/podinfo/podinfo.cue
+```
+```cue showLineNumbers
+package holos
+
+// Produce a helm chart build plan.
+holos: HelmChart.BuildPlan
+
+HelmChart: #Helm & {
+	Name: "podinfo"
+	Chart: {
+		version: "6.6.2"
+		repository: {
+			name: "podinfo"
+			url:  "https://stefanprodan.github.io/podinfo"
+		}
+	}
+}
+```
+  </TabItem>
+</Tabs>
+
+### Register the podinfo component
+
+Now let's register the code modeling the `podinfo` Helm chart as a Holos
+Component and assign it to a cluser. For this we will need a create new file in
+the `platform` directory with the following contents:
+
+<Tabs groupId="tutorial-hello-register-podinfo-component">
+  <TabItem value="platform/podinfo.cue" label="Register Podinfo">
+```bash
+touch plaform/podinfo.cue
+```
+```cue showLineNumbers
+package holos
+
+Platform: Components: podinfo: {
+	name: "podinfo"
+	path: "projects/tutorial/components/podinfo"
+}
+```
+  </TabItem>
+</Tabs>
+
+
+[podinfo]: https://github.com/stefanprodan/podinfo