Merge pull request #4051 from hhunter-ms/issue_3540

Add pre-reqs and section in troubleshooting guide for `dapr init`

Author: hhunter-ms

daprdocs/content/en/getting-started/install-dapr-cli.md

@@ -15,6 +15,11 @@ You'll use the Dapr CLI as the main tool for various Dapr-related tasks. You can
 
 The Dapr CLI works with both [self-hosted]({{< ref self-hosted >}}) and [Kubernetes]({{< ref Kubernetes >}}) environments.
 
+{{% alert title="Before you begin" color="primary" %}}
+In Docker Desktop's advanced options, verify you've allowed the default Docker socket to be used.
+   <img src="/images/docker-desktop-setting.png" width=800 style="padding-bottom:15px;">
+{{% /alert %}}
+
 ### Step 1: Install the Dapr CLI
 
 {{< tabs Linux Windows MacOS Binaries>}}

daprdocs/content/en/getting-started/install-dapr-selfhost.md

@@ -27,7 +27,7 @@ To initialize Dapr in your local or remote **Kubernetes** cluster for developmen
 {{% /alert %}}
 
 {{% alert title="Docker" color="primary" %}}
-The recommended development environment requires [Docker](https://docs.docker.com/install/). While you can [initialize Dapr without a dependency on Docker]({{< ref self-hosted-no-docker.md >}})), the next steps in this guide assume the recommended Docker development environment.
+The recommended development environment requires [Docker](https://docs.docker.com/install/). While you can [initialize Dapr without a dependency on Docker]({{< ref self-hosted-no-docker.md >}}), the next steps in this guide assume the recommended Docker development environment.
 
 You can also install [Podman](https://podman.io/) in place of Docker. Read more about [initializing Dapr using Podman]({{< ref dapr-init.md >}}).
 {{% /alert %}}
@@ -70,7 +70,7 @@ dapr init
 
 **If you are installing on Mac OS Silicon with Docker,** you may need to perform the following workaround to enable `dapr init` to talk to Docker without using Kubernetes.
 1. Navigate to **Docker Desktop** > **Settings** > **Advanced**.
-1. Select the **Enable default Docker socket** checkbox.
+1. Select the **Allow the default Docker socket to be used (requires password)** checkbox.
 
 {{% /codetab %}}
 
@@ -86,6 +86,7 @@ dapr init
 
 {{< /tabs >}}
 
+[See the troubleshooting guide if you encounter any error messages regarding Docker not being installed or running.]({{< ref "common_issues.md#dapr-cant-connect-to-docker-when-installing-the-dapr-cli" >}})
 
 ### Step 3: Verify Dapr version
 

daprdocs/content/en/operations/troubleshooting/common_issues.md

@@ -6,6 +6,24 @@ weight: 1000
 description: "Common issues and problems faced when running Dapr applications"
 ---
 
+This guide covers common issues you may encounter while installing and running Dapr.
+
+## Dapr can't connect to Docker when installing the Dapr CLI
+
+When installing and initializing the Dapr CLI, if you see the following error message after running `dapr init`:
+
+```bash
+⌛  Making the jump to hyperspace...
+❌  could not connect to docker. docker may not be installed or running
+```
+
+Troubleshoot the error by ensuring:
+
+1. [The correct containers are running.]({{< ref "install-dapr-selfhost.md#step-4-verify-containers-are-running" >}})
+1. In Docker Desktop, verify the **Allow the default Docker socket to be used (requires password)** option is selected.
+
+   <img src="/images/docker-desktop-setting.png" width=800 style="padding-bottom:15px;">
+
 ## I don't see the Dapr sidecar injected to my pod
 
 There could be several reasons to why a sidecar will not be injected into a pod.