diff --git a/.github/scripts/pack-on-pull-request.ps1 b/.github/scripts/pack-on-pull-request.ps1
index 2dd166a..bca2753 100644
--- a/.github/scripts/pack-on-pull-request.ps1
+++ b/.github/scripts/pack-on-pull-request.ps1
@@ -1,11 +1,16 @@
 #!/usr/local/bin/pwsh
 param (
+    [Parameter(Mandatory = $true)]
     [string]$OutputPath,
-    [int]$PullRequestNumber,
-    [string]$KeyPath
+    [Parameter(Mandatory = $true)]
+    [int]$PullRequestNumber
 )
 
+if (!$Env:PRIVATE_KEY_PATH) {
+    Write-Error "Environment variable 'PRIVATE_KEY_PATH' is not set."
+}
+
 .github/scripts/pack.ps1 `
     -OutputPath $OutputPath `
     -PullRequestNumber $PullRequestNumber `
-    -KeyPath $KeyPath
+    -KeyPath $Env:PRIVATE_KEY_PATH
diff --git a/.github/scripts/pack-on-push-main.ps1 b/.github/scripts/pack-on-push-main.ps1
index 5e72d20..81da070 100644
--- a/.github/scripts/pack-on-push-main.ps1
+++ b/.github/scripts/pack-on-push-main.ps1
@@ -1,29 +1,50 @@
 #!/usr/local/bin/pwsh
 param (
+    [Parameter(Mandatory = $true)]
     [string]$OutputPath,
-    [string]$KeyPath,
-    [string]$NugetApiKey
+    [Parameter(Mandatory = $true)]
+    [ValidateScript({ $_ })]
+    [string]$CommitSHA
 )
 
-$commitMessage = "$(git log -1 --pretty=%B)"
+if (!$Env:PRIVATE_KEY_PATH) {
+    Write-Error "Environment variable 'PRIVATE_KEY_PATH' is not set."
+}
+
+if (!$Env:NUGET_API_KEY) {
+    Write-Error "Environment variable 'NUGET_API_KEY' is not set."
+}
+
+$commitMessage = "$(git log $CommitSHA -1 --pretty=%B)"
 $pattern = "(?<=Merge pull request #)(\d+)"
 if (!($commitMessage -match $pattern)) {
     Write-Error "Commit message does not contain a pull request number."
 }
+$pullRequestNumber = $matches[1]
 
-Remove-Item -Force -Recurse pack -ErrorAction SilentlyContinue  
+Remove-Item -Path $OutputPath -Force -Recurse -ErrorAction SilentlyContinue
 
-$commitSHA = "$(git log -1 --pretty=%H)"
 .github/scripts/pack.ps1 `
     -OutputPath $OutputPath `
-    -PullRequestNumber $matches[1] `
-    -KeyPath $KeyPath `
-    -CommitSHA $commitSHA
+    -PullRequestNumber $pullRequestNumber `
+    -KeyPath $Env:PRIVATE_KEY_PATH `
+    -CommitSHA $CommitSHA
+
+$labelsValue = gh pr view $pullRequestNumber --json labels | ConvertFrom-Json -AsHashtable
+$labels = $labelsValue | Select-Object -ExpandProperty labels | ForEach-Object {
+    $_.name
+}
+$skipNugetUpload = $labels -contains "skip nuget upload"
+if ($skipNugetUpload) {
+    Write-Host "Skipping NuGet upload"
+}
 
-Get-ChildItem -Path $OutputPath -Filter "*.nupkg" | ForEach-Object {
+$nupkgs = Get-ChildItem -Path $OutputPath -Filter "*.nupkg" | ForEach-Object { $_.FullName }
+$nupkgs = $skipNugetUpload ? @() : $nupkgs
+$nupkgs | ForEach-Object {
     dotnet nuget push `
         $_ `
         --skip-duplicate `
-        --api-key $NugetApiKey `
+        --api-key $Env:NUGET_API_KEY `
         --source https://api.nuget.org/v3/index.json
 }
diff --git a/.github/scripts/pack-on-push-tag.ps1 b/.github/scripts/pack-on-push-tag.ps1
index f63b1a8..512692e 100644
--- a/.github/scripts/pack-on-push-tag.ps1
+++ b/.github/scripts/pack-on-push-tag.ps1
@@ -1,22 +1,28 @@
 #!/usr/local/bin/pwsh
 param (
     [string]$OutputPath,
-    [string]$KeyPath,
-    [string]$NugetApiKey,
     [string]$tagName
 )
 
-Remove-Item -Force -Recurse pack -ErrorAction SilentlyContinue  
+if (!$Env:PRIVATE_KEY_PATH) {
+    Write-Error "Environment variable 'PRIVATE_KEY_PATH' is not set."
+}
+
+if (!$Env:NUGET_API_KEY) {
+    Write-Error "Environment variable 'NUGET_API_KEY' is not set."
+}
+
+Remove-Item -Path $OutputPath -Force -Recurse -ErrorAction SilentlyContinue
 
 .github/scripts/pack.ps1 `
     -OutputPath $OutputPath `
-    -KeyPath $KeyPath `
+    -KeyPath $Env:PRIVATE_KEY_PATH `
     -CommitSHA $tagName
 
 $files = Get-ChildItem -Path pack -Filter "*.nupkg" | ForEach-Object {
     dotnet nuget push `
         $_ `
-        --api-key $NugetApiKey `
+        --api-key $Env:NUGET_API_KEY `
         --source https://api.nuget.org/v3/index.json
     $_.FullName
 }
diff --git a/.github/workflows/pack.yml b/.github/workflows/pack.yml
index f10d307..c714f1d 100644
--- a/.github/workflows/pack.yml
+++ b/.github/workflows/pack.yml
@@ -11,19 +11,26 @@ on:
 jobs:
   pack:
     runs-on: ubuntu-latest
+    defaults:
+      run:
+        shell: pwsh
     steps:
       - uses: actions/checkout@v4.1.7
       - uses: actions/setup-dotnet@v4.0.0
         with:
           dotnet-version: 8.0.100
-      - run: echo "${{ secrets.SNK_FILE }}" | base64 --decode > private.snk
+      - run: | 
+          echo "${{ secrets.SNK_FILE }}" | base64 --decode > private.snk
+          echo "PRIVATE_KEY_PATH=$(Join-Path $PWD private.snk)" >> $GITHUB_ENV
+          $GITHUB_ENV
       - if: ${{ github.event_name == 'pull_request' }}
         run: | 
+          $Env:PRIVATE_KEY_PATH
           .github/scripts/pack-on-pull-request.ps1 `
             -OutputPath "pack" `
-            -PullRequestNumber ${{ github.event.pull_request.number }} `
-            -KeyPath "$pwd/private.snk"
-        shell: pwsh
+            -PullRequestNumber ${{ github.event.pull_request.number }}
+        env:
+          PRIVATE_KEY_PATH: ${{ github.env.PRIVATE_KEY_PATH }}
       - if: ${{ github.event_name == 'push' && github.ref == 'refs/heads/main' }}
         run: | 
           .github/scripts/pack-on-push-main.ps1 `
@@ -31,6 +38,8 @@ jobs:
             -KeyPath "$pwd/private.snk" `
             -NugetApiKey ${{ secrets.NUGET_API_KEY }}
         shell: pwsh
+        env:
+          GH_TOKEN: ${{ github.token }}
       - if: ${{ github.event_name == 'push' && startsWith(github.ref, 'refs/tags/') }}
         run: | 
           $tagName = "${{ github.ref }}" -replace "refs/tags/", ""
@@ -40,3 +49,5 @@ jobs:
             -NugetApiKey ${{ secrets.NUGET_API_KEY }}
             -TagName $tagName
         shell: pwsh
+        env:
+          GH_TOKEN: ${{ github.token }}
diff --git a/.vscode/launch.json b/.vscode/launch.json
index 1eab89e..db5e0b9 100644
--- a/.vscode/launch.json
+++ b/.vscode/launch.json
@@ -25,16 +25,6 @@
             "cwd": "${workspaceFolder}/src/JSSoft.Communication.Server/bin/Debug/net8.0",
             "console": "integratedTerminal",
             "stopAtEntry": false
-        },
-        {
-            "name": "pwsh-build",
-            "type": "PowerShell",
-            "request": "launch",
-            "script": "${workspaceFolder}/build.ps1",
-            "args": [
-                "-Pack"
-            ],
-            "cwd": "${cwd}"
         }
     ]
 }
\ No newline at end of file
diff --git a/.vscode/settings.json b/.vscode/settings.json
index cad5ced..ecbbe63 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -4,6 +4,11 @@
             100
         ]
     },
+    "[powershell]": {
+        "editor.rulers": [
+            100
+        ]
+    },
     "files.exclude": {
         ".vs": true,
         "**/bin": true,