feat: deteccion de GPU NVIDIA y aceleracion automatica (#16)

Co-authored-by: Hermes Agent <hermes@d0a1.es>

openwebui/deploy.ps1

@@ -91,6 +91,19 @@ Ok "RAM: $TotalRamGb GB"
 # los puertos para que Find-FreePort vea el estado REAL tras el down.
 cmd /c docker compose -f $ComposeFile down '>' NUL '2>&1'
 
+# --- GPU NVIDIA? (si hay, Ollama la usa y va 5-10x mas rapido) ---------------
+$HasGpu = $false
+if (Get-Command nvidia-smi -ErrorAction SilentlyContinue) {
+    $GpuInfo = & nvidia-smi --query-gpu=name,memory.total --format=csv,noheader 2>$null
+    if ($LASTEXITCODE -eq 0 -and $GpuInfo) {
+        $HasGpu = $true
+        $GpuName = ($GpuInfo -split ',')[0].Trim()
+        Info "GPU NVIDIA detectada: $GpuName (aceleracion activada)"
+    }
+}
+if (-not $HasGpu) {
+    Warn 'Sin GPU NVIDIA: modo CPU (~10-20 tokens/s). Con una GPU NVIDIA va 5-10x mas rapido.'
+}
 # --- Auto-detect ports ----------------------------------------------------
 $OllamaPort = Find-FreePort 11434
 $WebUiPort  = Find-FreePort 3000
@@ -124,7 +137,13 @@ Write-Host ''
 Warn 'Descargando contenedores (2-3 min la primera vez)...'
 $env:OLLAMA_PORT = "$OllamaPort"
 $env:WEBUI_PORT  = "$WebUiPort"
-docker compose -f $ComposeFile up -d
+$ComposeArgs = @('-f', $ComposeFile)
+if ($HasGpu) {
+    $OverrideFile = Join-Path $ScriptDir 'docker-compose.gpu.yml'
+    Set-Content -Path $OverrideFile -Value "services:`r`n  ollama:`r`n    gpus: all`r`n"
+    $ComposeArgs += @('-f', $OverrideFile)
+}
+docker compose @ComposeArgs up -d
 if ($LASTEXITCODE -ne 0) { Err "docker compose up fallo (exit $LASTEXITCODE)."; exit 1 }
 
 # --- Pull model -------------------------------------------------------------