diff --git a/Dockerfile b/Dockerfile
deleted file mode 100644
index 7bcaf70..0000000
--- a/Dockerfile
+++ /dev/null
@@ -1,15 +0,0 @@
-FROM ubuntu
-MAINTAINER Osbert Feng
-
-USER root
-RUN apt-get update -qq && apt-get install -qq -y python-scapy tcpdump tcpreplay wireshark python-requests
-
-RUN useradd -m -s /bin/bash amzn-dash
-RUN echo amzn-dash:amzn-dash | chpasswd
-
-USER root
-ADD dash-listen.py /home/amzn-dash/dash-listen.py
-CMD python /home/amzn-dash/dash-listen.py
-
-# NOTE: To run this, you must link against the host networking stack
-# docker run --net=host -e DASH_MAC_ADDRESS=<use-dash-probe> -e URL_CALLBACK=http://url/to/callback dash-listen
diff --git a/dash-listen.py b/dash-listen.py
deleted file mode 100644
index 6bd9cc8..0000000
--- a/dash-listen.py
+++ /dev/null
@@ -1,26 +0,0 @@
-# sudo apt-get install python-scapy tcpdump tcpreplay wireshark
-
-# Note that wireshark prompts during installation if non-root users
-# should be allowed to perform packed capture.
-
-from scapy.all import *
-import os
-import requests
-
-DASH_MAC_ADDRESS=os.environ.get('DASH_MAC_ADDRESS')
-URL_CALLBACK=os.environ.get('URL_CALLBACK')
-
-def arp_display(pkt):
-  if pkt[ARP].op == 1: #who-has (request)
-    if pkt[ARP].psrc == '0.0.0.0': # ARP Probe
-      if pkt[ARP].hwsrc == DASH_MAC_ADDRESS:
-        requests.get(URL_CALLBACK)
-      else:
-        print "ARP Probe from unknown device: " + pkt[ARP].hwsrc
-
-
-while True:
-    try:
-        print sniff(prn=arp_display, filter="arp", store=0, count=10)
-    except:
-        pass
diff --git a/docker/Dockerfile b/docker/Dockerfile
new file mode 100644
index 0000000..80e3d53
--- /dev/null
+++ b/docker/Dockerfile
@@ -0,0 +1,25 @@
+FROM alpine
+
+MAINTAINER Osbert Feng
+
+# since 2019-09-05
+MAINTAINER Pascal Gollor <kalle@pgollor.de>
+
+ENV DASH_MAC_ADDRESS
+ENV URL_CALLBACK
+
+USER root
+RUN apk updage
+RUN apk add python-scapy python-requests
+#RUN apt-get update -qq && apt-get install -qq -y python-scapy tcpdump tcpreplay wireshark python-requests
+RUN rm -rf /var/cache/apk/*
+
+RUN useradd -m -s /bin/bash amzn-dash
+RUN echo amzn-dash:amzn-dash | chpasswd
+
+USER root
+ADD dash-listen.py /home/amzn-dash/dash-listen.py
+CMD python /home/amzn-dash/dash-listen.py
+
+# NOTE: To run this, you must link against the host networking stack
+# docker run --net=host -e DASH_MAC_ADDRESS=<use-dash-probe> -e URL_CALLBACK=http://url/to/callback dash-listen
diff --git a/docker/dash-listen.py b/docker/dash-listen.py
new file mode 100644
index 0000000..6bd9cc8
--- /dev/null
+++ b/docker/dash-listen.py
@@ -0,0 +1,26 @@
+# sudo apt-get install python-scapy tcpdump tcpreplay wireshark
+
+# Note that wireshark prompts during installation if non-root users
+# should be allowed to perform packed capture.
+
+from scapy.all import *
+import os
+import requests
+
+DASH_MAC_ADDRESS=os.environ.get('DASH_MAC_ADDRESS')
+URL_CALLBACK=os.environ.get('URL_CALLBACK')
+
+def arp_display(pkt):
+  if pkt[ARP].op == 1: #who-has (request)
+    if pkt[ARP].psrc == '0.0.0.0': # ARP Probe
+      if pkt[ARP].hwsrc == DASH_MAC_ADDRESS:
+        requests.get(URL_CALLBACK)
+      else:
+        print "ARP Probe from unknown device: " + pkt[ARP].hwsrc
+
+
+while True:
+    try:
+        print sniff(prn=arp_display, filter="arp", store=0, count=10)
+    except:
+        pass