diff --git a/.env.example b/.env.example
index ffd4b06..6b2dd89 100644
--- a/.env.example
+++ b/.env.example
@@ -51,10 +51,11 @@ DOWNLOAD_MODE=Track
 # - Permanent: Files are saved to the library permanently and registered in Navidrome
 # - Cache: Files are stored in /tmp and automatically cleaned up after CACHE_DURATION_HOURS
 #          Not registered in Navidrome, ideal for streaming without library bloat
+#          Note: On Linux/Docker, you can customize cache location by setting TMPDIR environment variable
 STORAGE_MODE=Permanent
 
 # Cache duration in hours (optional, default: 1)
 # Files older than this duration will be automatically deleted when STORAGE_MODE=Cache
 # Based on last access time (updated each time the file is streamed)
-# Cache location: /tmp/octo-fiesta-cache (automatic, no configuration needed)
+# Cache location: /tmp/octo-fiesta-cache (or $TMPDIR/octo-fiesta-cache if TMPDIR is set)
 CACHE_DURATION_HOURS=1
diff --git a/octo-fiesta/Services/Common/BaseDownloadService.cs b/octo-fiesta/Services/Common/BaseDownloadService.cs
index 5709505..b41aaa2 100644
--- a/octo-fiesta/Services/Common/BaseDownloadService.cs
+++ b/octo-fiesta/Services/Common/BaseDownloadService.cs
@@ -47,7 +47,7 @@ public abstract class BaseDownloadService : IDownloadService
         Logger = logger;
         
         DownloadPath = configuration["Library:DownloadPath"] ?? "./downloads";
-        CachePath = Path.Combine(Path.GetTempPath(), "octo-fiesta-cache");
+        CachePath = PathHelper.GetCachePath();
         
         if (!Directory.Exists(DownloadPath))
         {
diff --git a/octo-fiesta/Services/Common/CacheCleanupService.cs b/octo-fiesta/Services/Common/CacheCleanupService.cs
index 13d7f0a..d49752b 100644
--- a/octo-fiesta/Services/Common/CacheCleanupService.cs
+++ b/octo-fiesta/Services/Common/CacheCleanupService.cs
@@ -61,7 +61,7 @@ public class CacheCleanupService : BackgroundService
 
     private async Task CleanupOldCachedFilesAsync(CancellationToken cancellationToken)
     {
-        var cachePath = Path.Combine(Path.GetTempPath(), "octo-fiesta-cache");
+        var cachePath = PathHelper.GetCachePath();
 
         if (!Directory.Exists(cachePath))
         {
diff --git a/octo-fiesta/Services/Common/PathHelper.cs b/octo-fiesta/Services/Common/PathHelper.cs
index 93f43ad..94b226c 100644
--- a/octo-fiesta/Services/Common/PathHelper.cs
+++ b/octo-fiesta/Services/Common/PathHelper.cs
@@ -8,6 +8,17 @@ namespace octo_fiesta.Services.Common;
 /// </summary>
 public static class PathHelper
 {
+    /// <summary>
+    /// Gets the cache directory path for temporary file storage.
+    /// Uses system temp directory combined with octo-fiesta-cache subfolder.
+    /// Respects TMPDIR environment variable on Linux/macOS.
+    /// </summary>
+    /// <returns>Full path to the cache directory.</returns>
+    public static string GetCachePath()
+    {
+        return Path.Combine(Path.GetTempPath(), "octo-fiesta-cache");
+    }
+    
     /// <summary>
     /// Builds the output path for a downloaded track following the Artist/Album/Track structure.
     /// </summary>