diff --git a/Containerfile b/Containerfile
index aa74271..f1b3c08 100644
--- a/Containerfile
+++ b/Containerfile
@@ -1,10 +1,13 @@
 FROM registry.fedoraproject.org/fedora:latest
 
-RUN groupadd -g 1000 jenkins \
+RUN --mount=type=cache,target=/var/cache \
+    dnf install -y \
+        tini \
+    && groupadd -g 1000 jenkins \
     && useradd -c 'Jenkins user' -g 1000 -l -M -s /bin/sh -u 1000 jenkins
 
 COPY dch-root-ca.crt /etc/pki/ca-trust/source/anchors/
 
 RUN update-ca-trust
 
-CMD ["python3", "-c", "import signal;signal.pause()"]
+CMD ["tini", "sleep", "--", "infinity"]