diff --git a/Containerfile b/Containerfile
index 725b5cb..87a1074 100644
--- a/Containerfile
+++ b/Containerfile
@@ -5,12 +5,16 @@ RUN apt update \
 
 FROM docker.io/library/python:3-slim
 
-COPY --from=catatonit /usr/libexec/podman/catatonit /catatonit
-ADD https://raw.githubusercontent.com/simon-budig/woof/woof-20220202/woof /usr/bin/woof
+COPY --from=catatonit --chmod=0755 /usr/libexec/podman/catatonit /usr/libexec/podman/catatonit
+ADD --chmod=0755 https://raw.githubusercontent.com/simon-budig/woof/woof-20220202/woof /usr/bin/woof
 RUN mkdir /data
 
 WORKDIR /data
 EXPOSE 8008
 
-ENTRYPOINT ["/catatonit", "--"]
-CMD ["/usr/local/bin/python3", "/usr/bin/woof", "-i", "0.0.0.0", "-p", "8008", "-c", "1", "-U"]
+ENV PORT 8008
+ENV COUNT 1
+ENV ARGS -Z /data
+
+ENTRYPOINT [ "/usr/libexec/podman/catatonit", "--" ]
+CMD ["/bin/sh", "-c", "/usr/local/bin/python3 /usr/bin/woof -i 0.0.0.0 -p ${PORT} -c ${COUNT} ${ARGS}"]