Make toolboxes use the container name as hostname.

This allows the user to easily see which container they are currently in instead of the generic @toolbox.

README.md

@@ -47,14 +47,14 @@ systems it's just a matter of installing the `toolbox` package.
 [user@hostname ~]$ toolbox create
 Created container: fedora-toolbox-33
 Enter with: toolbox enter
-[user@hostname ~]$
+[user@fedora-toolbox-33 ~]$
 ```
 This will create a container called `fedora-toolbox-<version-id>`.
 
 ### Enter the toolbox:
 ```console
 [user@hostname ~]$ toolbox enter
-⬢[user@toolbox ~]$
+[user@fedora-toolbox-33 ~]$
 ```
 
 ### Remove a toolbox container:

images/fedora/f32/README.md

@@ -47,14 +47,14 @@ systems it's just a matter of installing the `toolbox` package.
 [user@hostname ~]$ toolbox create
 Created container: fedora-toolbox-33
 Enter with: toolbox enter
-[user@hostname ~]$
+[user@fedora-toolbox-33 ~]$
 ```
 This will create a container called `fedora-toolbox-<version-id>`.
 
 ### Enter the toolbox:
 ```console
 [user@hostname ~]$ toolbox enter
-⬢[user@toolbox ~]$
+[user@fedora-toolbox-33 ~]$
 ```
 
 ### Remove a toolbox container:

images/fedora/f33/README.md

@@ -47,14 +47,14 @@ systems it's just a matter of installing the `toolbox` package.
 [user@hostname ~]$ toolbox create
 Created container: fedora-toolbox-33
 Enter with: toolbox enter
-[user@hostname ~]$
+[user@fedora-toolbox-33 ~]$
 ```
 This will create a container called `fedora-toolbox-<version-id>`.
 
 ### Enter the toolbox:
 ```console
 [user@hostname ~]$ toolbox enter
-⬢[user@toolbox ~]$
+[user@fedora-toolbox-33 ~]$
 ```
 
 ### Remove a toolbox container:

images/fedora/f34/README.md

@@ -47,14 +47,14 @@ systems it's just a matter of installing the `toolbox` package.
 [user@hostname ~]$ toolbox create
 Created container: fedora-toolbox-33
 Enter with: toolbox enter
-[user@hostname ~]$
+[user@fedora-toolbox-33 ~]$
 ```
 This will create a container called `fedora-toolbox-<version-id>`.
 
 ### Enter the toolbox:
 ```console
 [user@hostname ~]$ toolbox enter
-⬢[user@toolbox ~]$
+[user@fedora-toolbox-33 ~]$
 ```
 
 ### Remove a toolbox container:

src/cmd/create.go

@@ -401,7 +401,7 @@ func createContainer(container, image, release string, showCommandToEnter bool)
 	createArgs = append(createArgs, xdgRuntimeDirEnv...)
 
 	createArgs = append(createArgs, []string{
-		"--hostname", "toolbox",
+		"--hostname", container,
 		"--ipc", "host",
 		"--label", "com.github.containers.toolbox=true",
 		"--label", "com.github.debarshiray.toolbox=true",