buildovanie cez task a verzia na jednom mieste

scripts/publish-devcontainer-image.ps1

@@ -0,0 +1,74 @@
+param(
+  [switch]$Push,
+  [string]$EnvFile = ".devcontainer/.env",
+  [string]$Dockerfile = ".devcontainer/Dockerfile"
+)
+
+$ErrorActionPreference = "Stop"
+
+if (!(Test-Path $EnvFile)) {
+  throw "Env file not found: $EnvFile"
+}
+
+$vars = @{}
+Get-Content $EnvFile | ForEach-Object {
+  $line = $_.Trim()
+  if ($line -and -not $line.StartsWith("#")) {
+    $pair = $line -split "=", 2
+    if ($pair.Count -eq 2) {
+      $vars[$pair[0].Trim()] = $pair[1].Trim()
+    }
+  }
+}
+
+$required = @("PYTHON_BASE", "DEVCONTAINER_IMAGE_PUSH_REPO", "DEVCONTAINER_IMAGE_REV")
+foreach ($key in $required) {
+  if (-not $vars.ContainsKey($key) -or [string]::IsNullOrWhiteSpace($vars[$key])) {
+    throw "Missing required key '$key' in $EnvFile"
+  }
+}
+
+$pythonBase = $vars["PYTHON_BASE"]
+$pushRepo = $vars["DEVCONTAINER_IMAGE_PUSH_REPO"]
+$rev = $vars["DEVCONTAINER_IMAGE_REV"]
+
+$versionTag = "${pushRepo}:${pythonBase}-${rev}-devcontainer"
+$channelTag = "${pushRepo}:${pythonBase}-devcontainer"
+$registry = ($pushRepo -split "/", 2)[0]
+
+function Invoke-DockerPushWithLoginFallback {
+  param(
+    [Parameter(Mandatory = $true)]
+    [string]$Tag,
+    [Parameter(Mandatory = $true)]
+    [string]$Registry
+  )
+
+  Write-Host "Pushing $Tag"
+  docker push $Tag
+  if ($LASTEXITCODE -eq 0) {
+    return
+  }
+
+  Write-Warning "docker push failed for $Tag. Trying docker login to $Registry and retrying once."
+  docker login $Registry
+  if ($LASTEXITCODE -ne 0) {
+    throw "docker login failed for $Registry"
+  }
+
+  docker push $Tag
+  if ($LASTEXITCODE -ne 0) {
+    throw "docker push failed for $Tag after login fallback"
+  }
+}
+
+Write-Host "Building $versionTag"
+docker build -f $Dockerfile --build-arg "PYTHON_VERSION=$pythonBase" -t $versionTag -t $channelTag .
+if ($LASTEXITCODE -ne 0) {
+  throw "docker build failed"
+}
+
+if ($Push) {
+  Invoke-DockerPushWithLoginFallback -Tag $versionTag -Registry $registry
+  Invoke-DockerPushWithLoginFallback -Tag $channelTag -Registry $registry
+}