diff --git a/Dockerfile b/Dockerfile
index c9be695..9048c62 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,8 +1,16 @@
 FROM squidfunk/mkdocs-material:latest
 
-# Alpine-Pakete für WeasyPrint
+# Laufzeit-Pakete (inkl. weasyprint) + temporäre Build-Dependencies zum Kompilieren (z.B. libsass)
 RUN apk add --no-cache \
-    weasyprint
-
-# Plugin installieren
-RUN apk add --no-cache --virtual .build-deps build-base python3-dev libffi-dev && pip install --no-cache-dir mkdocs-to-pdf && apk del .build-deps
+        weasyprint \
+        cairo \
+        pango \
+        gdk-pixbuf \
+        libjpeg-turbo \
+        zlib \
+        fontconfig \
+        ttf-dejavu \
+    && apk add --no-cache --virtual .build-deps \
+        build-base python3-dev libffi-dev cairo-dev pango-dev gdk-pixbuf-dev libjpeg-turbo-dev zlib-dev pkgconfig \
+    && pip install --no-cache-dir mkdocs-to-pdf \
+    && apk del .build-deps
\ No newline at end of file