diff --git a/docker/sync/Dockerfile b/docker/sync/Dockerfile
new file mode 100644
index 0000000..106c319
--- /dev/null
+++ b/docker/sync/Dockerfile
@@ -0,0 +1,21 @@
+FROM debian:trixie-slim
+
+RUN apt-get update && apt-get install -y --no-install-recommends \
+        ostree \
+        flatpak \
+        git \
+        curl \
+        ca-certificates \
+        gnupg \
+    && rm -rf /var/lib/apt/lists/*
+
+# yq (mikefarah, Go-Binary) zum Parsen von apps.yaml
+RUN curl -sSL -o /usr/local/bin/yq \
+        https://github.com/mikefarah/yq/releases/latest/download/yq_linux_amd64 \
+    && chmod +x /usr/local/bin/yq
+
+WORKDIR /app
+COPY sync.sh /app/sync.sh
+RUN chmod +x /app/sync.sh
+
+ENTRYPOINT ["/app/sync.sh"]
\ No newline at end of file