diff --git a/Dockerfile b/Dockerfile
index e92b61b..7681f6c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,7 +1,7 @@
 FROM alpine
-RUN apk update && apk add py3-prometheus-client
-COPY prometheus_frigate_exporter.py /var/python_scripts/prometheus_frigate_exporter.py
-CMD  /usr/bin/python3 /var/python_scripts/prometheus_frigate_exporter.py $FRIGATE_STATS_URL
+RUN --mount=type=cache,target=/var/cache apk update && apk add py3-prometheus-client
+COPY prometheus_frigate_exporter.py /prometheus_frigate_exporter.py
+ENTRYPOINT ["/usr/bin/python3", "/prometheus_frigate_exporter.py"]
 
 # docker build -t rhysbailey/prometheus-frigate-exporter .
-# docker push rhysbailey/prometheus-frigate-exporter:latest
\ No newline at end of file
+# docker push rhysbailey/prometheus-frigate-exporter:latest