diff --git a/.gitignore b/.gitignore
index cbcf3ae..e23a514 100644
--- a/.gitignore
+++ b/.gitignore
@@ -13,3 +13,9 @@ __pycache__/
 .claude/worktrees/
 Ban Yaro - Google Play package/
 /unsplash/
+
+# Selbst-gehostete Vektor-Tiles (groß, gehören nicht ins Repo)
+tiles/build/
+*.pmtiles
+*.osm.pbf
+*.mbtiles
diff --git a/Makefile b/Makefile
index c16bf3f..3c0be1b 100644
--- a/Makefile
+++ b/Makefile
@@ -24,6 +24,7 @@ TAR_EXCLUDE := --exclude='.git' \
                --exclude='./backend/__pycache__' \
                --exclude='./.env' \
                --exclude='./*.db' \
+               --exclude='./tiles' \
                --exclude='./.DS_Store'
 
 .PHONY: help deploy deploy-clean staging release sync push restart build stop status \
diff --git a/backend/main.py b/backend/main.py
index f4ecac6..453fb98 100644
--- a/backend/main.py
+++ b/backend/main.py
@@ -371,6 +371,13 @@ app.mount("/js",    StaticFiles(directory=f"{STATIC_DIR}/js"),     name="js")
 app.mount("/icons", StaticFiles(directory=f"{STATIC_DIR}/icons"),  name="icons")
 app.mount("/img",   StaticFiles(directory=f"{STATIC_DIR}/img"),    name="img")
 
+# Selbst-gehostete Vektor-Tiles (.pmtiles) — liegen im data-Volume, NICHT im Image.
+# Starlette FileResponse beherrscht Range-Requests (206) → MapLibre/pmtiles-Protokoll.
+# Guard: Mount nur wenn das Verzeichnis existiert (sonst No-Op, z. B. lokal/Prod ohne Tiles).
+_TILES_DIR = os.getenv("TILES_DIR", "/data/tiles")
+if os.path.isdir(_TILES_DIR):
+    app.mount("/tiles", StaticFiles(directory=_TILES_DIR), name="tiles")
+
 # User-generierte Medien (Fotos aus Tagebuch, Giftköder-Alarm, etc.)
 MEDIA_DIR = os.getenv("MEDIA_DIR", "/data/media")
 os.makedirs(MEDIA_DIR, exist_ok=True)