add podman startup docs

docs/prepare-your-dev-environment.md

@@ -10,9 +10,6 @@ This document goes through the development dependencies one requires in order to
 
 1. Configure `GOPATH` as an OS environment variable in your shell (a requirement of some dependencies for `make generate`). If you want to keep the default path, you can add something like `GOPATH=$(go env GOPATH)` to your shell's profile/RC file.
 
-1. Append `export GO111MODULE=auto` to your shell's profile file.
-    1. Read [New module changes in Go 1.16](https://go.dev/blog/go116-module-changes) for more information.
-
 1. Install [Python 3.6+](https://www.python.org/downloads), if you haven't already.  You will also need `python-setuptools` installed, if you don't have it installed already.
 
 1. Install the [az client](https://docs.microsoft.com/en-us/cli/azure/install-azure-cli), if you haven't already.
@@ -21,7 +18,20 @@ This document goes through the development dependencies one requires in order to
 
 1. Install the relevant packages required for your OS defined below.
 
-1. Install [Podman](https://podman.io/getting-started/installation) and [podman-docker](https://developers.redhat.com/blog/2019/02/21/podman-and-buildah-for-docker-users#) if you haven't already, used for building container images.
+1. Install [Podman](https://podman.io/getting-started/installation) and [podman-docker](https://developers.redhat.com/blog/2019/02/21/podman-and-buildah-for-docker-users#) if you haven't already. Podman is used for building container images and running the installer.
+    1. Podman needs to be running in daemon mode when running the RP locally.
+
+        On Linux, you can set this up to automatically start via socket activation with::
+
+            ```bash
+            systemctl --user enable podman.socket
+            ```
+
+        If you're using podman-machine, you will need to export the socket, for example::
+
+            ```bash
+            export ARO_PODMAN_SOCKET=unix:///$HOME/.local/share/containers/podman/machine/qemu/podman.sock
+            ```
 
 1. Run for `az acr login` compatability
 
@@ -34,12 +44,10 @@ This document goes through the development dependencies one requires in order to
 ### Fedora / RHEL Packages
 
 1. Install the `gpgme-devel`, `libassuan-devel`, and `openssl` packages.
-    > `sudo dnf install -y gpgme-devel libassuan-devel openssl`
+    > `sudo dnf install -y gpgme-devel libassuan-devel openssl podman`
 
 > __NOTE:__: If using RHEL, register the system with `subscription-manager register`, and then enable the [CodeReady Linux Builder](https://access.redhat.com/articles/4348511) repository to install *-devel packages. For other packages not in the base repositories, such as OpenVPN, you can [enable the EPEL repository](https://docs.fedoraproject.org/en-US/epel/#_quickstart) to install them.
 
-1. Optionally install [Docker 17.05+](https://docs.docker.com/engine/install/fedora/) or later as an alternative to podman.
-
 ### Debian Packages
 
 Install the `libgpgme-dev` package.