Merge pull request #378 from Badgerati/Issue-375

#375: updates the dockerfile to PS v6.2.3

Dockerfile

@@ -1,4 +1,4 @@
-FROM mcr.microsoft.com/powershell:6.2.2-ubuntu-16.04
+FROM mcr.microsoft.com/powershell:6.2.3-ubuntu-16.04
 LABEL maintainer="Matthew Kelly (Badgerati)"
 RUN mkdir -p /usr/local/share/powershell/Modules/Pode
 COPY ./src/ /usr/local/share/powershell/Modules/Pode

arm32.dockerfile

@@ -1,4 +1,4 @@
-FROM badgerati/ps-core:6.2.2-arm32
+FROM badgerati/ps-core:6.2.3-arm32
 LABEL maintainer="Matthew Kelly (Badgerati)"
 RUN mkdir -p /usr/local/share/powershell/Modules/Pode
 COPY ./src/ /usr/local/share/powershell/Modules/Pode

packers/docker/arm32/Dockerfile

@@ -1,6 +1,6 @@
 FROM arm32v7/ubuntu:bionic
 
-ENV PS_VERSION=6.2.2
+ENV PS_VERSION=6.2.3
 ENV PS_PACKAGE=powershell-${PS_VERSION}-linux-arm32.tar.gz
 ENV PS_PACKAGE_URL=https://github.com/PowerShell/PowerShell/releases/download/v${PS_VERSION}/${PS_PACKAGE}
 

src/Private/Sockets.ps1

@@ -62,14 +62,18 @@ function Start-PodeSocketListener
 function Close-PodeSocket
 {
     param(
-        [Parameter(Mandatory=$true)]
+        [Parameter()]
         [System.Net.Sockets.Socket]
         $Socket,
 
         [switch]
         $Shutdown
     )
 
+    if ($null -eq $Socket) {
+        return
+    }
+
     if ($Shutdown -and $Socket.Connected) {
         $Socket.Shutdown([System.Net.Sockets.SocketShutdown]::Both)
     }