Simplify Windows shell container to use just PowerShell

Co-authored-by: nddq <[email protected]>

Author: Copilot

shell/Dockerfile.windows

@@ -5,46 +5,11 @@ FROM mcr.microsoft.com/windows/servercore:${WINDOWS_VERSION}
 
 SHELL ["powershell", "-Command", "$ErrorActionPreference = 'Stop'; $ProgressPreference = 'SilentlyContinue';"]
 
-# Install common network troubleshooting tools
-# - Netstat, ping, ipconfig, etc. are built into Windows
-# - NirSoft WinDump (tcpdump equivalent for Windows)
-# - Portqry - port scanner
-
-# Download and install NirSoft WinDump
-RUN mkdir -p C:\tools; \
-    Invoke-WebRequest -Uri "https://www.nirsoft.net/utils/windump_setup.exe" -OutFile "C:\tools\windump_setup.exe" -UseBasicParsing; \
-    Start-Process -FilePath "C:\tools\windump_setup.exe" -ArgumentList "/S" -Wait; \
-    Remove-Item -Path "C:\tools\windump_setup.exe" -Force
-
-# Download and install PortQry
-RUN Invoke-WebRequest -Uri "https://download.microsoft.com/download/3/b/5/3b51a025-7522-4686-87a6-47aa8ea68141/PortQryV2.exe" -OutFile "C:\Windows\System32\PortQry.exe" -UseBasicParsing
-
-# Download and extract Nmap network scanner
-RUN Invoke-WebRequest -Uri "https://nmap.org/dist/nmap-7.92-win32.zip" -OutFile "C:\tools\nmap.zip" -UseBasicParsing; \
-    Expand-Archive -Path "C:\tools\nmap.zip" -DestinationPath "C:\tools" -Force; \
-    Move-Item -Path "C:\tools\nmap-*\*" -Destination "C:\tools\" -Force; \
-    $env:PATH = "C:\tools;$env:PATH"
+# PowerShell is already included in Windows Server Core
+# No additional tools needed - using only built-in Windows commands
 
 # Create a convenience script to display available tools
-RUN Set-Content -Path "C:\tools\show-tools.cmd" -Value @"
-@echo off
-echo.
-echo Available Network Troubleshooting Tools:
-echo - ipconfig   : Show network configuration
-echo - netstat    : Show network connections
-echo - ping       : Test connectivity
-echo - tracert    : Trace route
-echo - nslookup   : DNS lookup
-echo - route      : Show/manipulate routing table
-echo - netsh      : Network shell for configuration
-echo - nmap       : Network discovery and security auditing
-echo - portqry    : Port scanner
-echo - windump    : Packet analyzer (tcpdump for Windows)
-echo.
-"@
-
-# Set PATH to include tools
-ENV PATH="C:\tools;C:\Windows\System32;C:\Windows;C:\Windows\System32\WindowsPowerShell\v1.0"
+RUN Set-Content -Path "C:\show-tools.cmd" -Value "@echo off\necho.\necho Available Windows Commands:\necho - ipconfig   : Show network configuration\necho - netstat    : Show network connections\necho - ping       : Test connectivity\necho - tracert    : Trace route\necho - nslookup   : DNS lookup\necho - route      : Show/manipulate routing table\necho - netsh      : Network shell for configuration\necho."
 
 WORKDIR C:\