[DO NOT MERGE]

.github/workflows/buld-win-2025.yaml

@@ -0,0 +1,16 @@
+name: Build Windows 2025 Docker Image
+
+on:
+  push:
+    branches: [ "prepare-windows-2025-image" ]
+
+jobs:
+
+  build:
+
+    runs-on: windows-latest
+
+    steps:
+    - uses: actions/checkout@v5
+    - name: Build the Docker image
+      run: docker build windows.ltsc2025 --file windows.ltsc2025/Dockerfile --tag worker-tools-windows-ltsc2025:${{ github.run_number }}

docker-compose.build.yml

@@ -52,3 +52,10 @@ services:
           - "./windows.ltsc2022:c:\\app"
         working_dir: "c:\\app"
         entrypoint: ["pwsh", "-file", "scripts/run-tests.ps1"]
+    windows.ltsc2025:
+        build: windows.ltsc2025
+        image: docker.packages.octopushq.com/octopusdeploy/worker-tools:${BUILD_NUMBER?err}-windows.ltsc2025
+        volumes:
+          - "./windows.ltsc2025:c:\\app"
+        working_dir: "c:\\app"
+        entrypoint: ["pwsh", "-file", "scripts/run-tests.ps1"]

windows.ltsc2025/Dockerfile

@@ -0,0 +1,11 @@
+# escape=`
+
+FROM mcr.microsoft.com/windows/servercore:ltsc2025
+SHELL ["powershell", "-Command"]
+
+
+# Install Choco
+RUN $ProgressPreference = 'SilentlyContinue'; `
+    Set-ExecutionPolicy Bypass -Scope Process -Force; `
+    [System.Net.ServicePointManager]::SecurityProtocol = [System.Net.ServicePointManager]::SecurityProtocol -bor 3072; `
+    iex ((New-Object System.Net.WebClient).DownloadString('https://chocolatey.org/install.ps1'))

windows.ltsc2025/scripts/run-tests.ps1

@@ -0,0 +1,13 @@
+Write-Output "##teamcity[blockOpened name='Pester tests']"
+
+try {
+    Install-Module -Name "Pester" -MinimumVersion "5.5.0" -Force
+
+    Import-Module -Name "Pester"
+
+    Write-Ouput "Nothing to see here, it's all fake, just to test the build process"
+
+} catch {
+    exit 1
+}
+Write-Output "##teamcity[blockClosed name='Pester tests']"