diff --git a/coc-powershell.build.ps1 b/coc-powershell.build.ps1
new file mode 100644
index 0000000..b05e9fe
--- /dev/null
+++ b/coc-powershell.build.ps1
@@ -0,0 +1,78 @@
+#
+# Copyright (c) Microsoft. All rights reserved.
+# Licensed under the MIT license. See LICENSE file in the project root for full license information.
+#
+
+param(
+    [string]$EditorServicesRepoPath = $null
+)
+
+#Requires -Modules @{ModuleName="InvokeBuild";ModuleVersion="3.0.0"}
+
+# Grab package.json data which is used throughout the build.
+$script:PackageJson = Get-Content -Raw $PSScriptRoot/package.json | ConvertFrom-Json
+$script:IsPreviewExtension = $script:PackageJson.name -like "*preview*" -or $script:PackageJson.displayName -like "*preview*"
+Write-Host "`n### Extension Version: $($script:PackageJson.version) Extension Name: $($script:PackageJson.name)`n" -ForegroundColor Green
+
+#region Restore tasks
+
+task Restore RestoreNodeModules, RestorePowerShellEditorServices, RestoreSnippets
+
+task RestoreNodeModules {
+    if(-not (Test-Path "$PSScriptRoot/node_modules")){
+    Write-Host "`n### Restoring coc-powershell dependencies`n" -ForegroundColor Green
+
+    # When in a CI build use the --loglevel=error parameter so that
+    # package install warnings don't cause PowerShell to throw up
+    $logLevelParam = if ($env:TF_BUILD) { "--loglevel=error" } else { "" }
+    exec { & npm install $logLevelParam }
+}
+}
+
+#endregion
+#region Clean tasks
+
+task Clean {
+    Write-Host "`n### Cleaning coc-powershell`n" -ForegroundColor Green
+    Remove-Item .\PowerShellEditorServices -Recurse -Force -ErrorAction Ignore
+    Remove-Item .\Snippets -Recurse -Force -ErrorAction Ignore
+    Remove-Item .\out -Recurse -Force -ErrorAction Ignore
+    Remove-Item -Force -Recurse node_modules -ErrorAction Ignore
+}
+
+task CleanAll Clean
+
+#endregion
+#region Build tasks
+
+task Build Restore, {
+    Write-Host "`n### Building coc-powershell" -ForegroundColor Green
+    exec { & npm run compile }
+}
+
+task RestoreSnippets {
+    # If PowerShellEditorServices isn't downloaded, download the latest?
+    # TODO
+    if(-not (Test-Path "$PSScriptRoot/Snippets")){
+    Write-Host Restoring Snippets...
+    & "$PSScriptRoot/downloadSnippets.ps1"
+    }
+}
+
+task RestorePowerShellEditorServices {
+    # If PowerShellEditorServices isn't downloaded, download the latest?
+    # TODO
+    if(-not (Test-Path "$PSScriptRoot/PowerShellEditorServices")){
+    Write-Host Restoring PowerShellEditorServices...
+    & "$PSScriptRoot/downloadPSES.ps1"
+    }
+}
+
+task BuildAll RestorePowerShellEditorServices, Build
+
+#endregion
+#
+# The set of tasks for a release
+task Release Clean, Build, Test
+# The default task is to run the entire CI build
+task . CleanAll, BuildAll