diff --git a/config.py b/config.py
index ce3bda5..3098ac2 100644
--- a/config.py
+++ b/config.py
@@ -1,4 +1,5 @@
 imgdir = "."
+recursive = True
 refresh = 5
 cachedir = "/tmp/webslider"
 resolution = (1920, 1080)
diff --git a/requirements.txt b/requirements.txt
index 533b660..2d2ba95 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,4 @@
 Flask==1.0.2
 Pillow==5.3.0
 Click==7.0
+waitress==1.1.0
diff --git a/server.py b/server.py
new file mode 100755
index 0000000..d5e1cd4
--- /dev/null
+++ b/server.py
@@ -0,0 +1,8 @@
+#!/usr/bin/python3
+
+from waitress import serve
+
+import slider
+
+serve(slider.app, host="0.0.0.0", port=8080)
+
diff --git a/slider.py b/slider.py
index 382e270..556b926 100755
--- a/slider.py
+++ b/slider.py
@@ -14,6 +14,7 @@ import config
 app = Flask(__name__)
 
 imgdir = Path(config.imgdir).expanduser().resolve()
+img_glob = "**/*.jpg" if config.recursive else "*.jpg"
 cache_resolution = config.resolution
 cache_dir = Path(config.cachedir) / ("%sx%s" % cache_resolution)
 
@@ -25,7 +26,6 @@ def random():
 
 @app.route("/random_image/")
 def random_image():
-    img_glob = "*jpg"
     last_modified_time, last_modified_file = max(
         (f.stat().st_mtime, f) for f in imgdir.glob(img_glob)
     )
@@ -36,7 +36,10 @@ def random_image():
         images = list(imgdir.glob(img_glob))
         selected_image = choice(images).relative_to(imgdir)
 
-    return redirect(url_for("image", filename=selected_image) + "?hash=%s" % get_cache_filename(selected_image))
+    return redirect(
+        url_for("image", filename=selected_image)
+        + "?hash=%s" % get_cache_filename(selected_image)
+    )
 
 
 @app.route("/img/<path:filename>")
@@ -77,7 +80,7 @@ def get_cache_filename(filename):
 
 
 def pre_cache_images():
-    for image_file in sorted(imgdir.glob("*.jpg")):
+    for image_file in sorted(imgdir.glob(img_glob)):
         create_cache_file(image_file.relative_to(imgdir))