Updated for docker

Dockerfile

@@ -0,0 +1,9 @@
+FROM python:alpine
+RUN apk add --no-cache tini
+
+ADD metrics.py /metrics.py
+ADD requirements.txt /requirements.txt
+RUN pip install -r /requirements.txt
+
+ENTRYPOINT ["/sbin/tini", "--"]
+CMD ["python" , "/metrics.py"]

metrics.py

@@ -1,4 +1,6 @@
 import requests
+import sys
+import signal
 from os import getenv
 from time import sleep
 from prometheus_client.core import GaugeMetricFamily, REGISTRY
@@ -47,6 +49,11 @@ class TasmotaCollector(object):
 
         return values
 
+def signal_handler(signal, frame):
+    sys.exit(0)
+
+signal.signal(signal.SIGINT, signal_handler)
+
 if __name__ == '__main__':
 
     port = getenv('EXPORTER_PORT')