Merge branch 'refactor_host_discovery' of ssh://github.com/aquasecurity/kube-hunter into refactor_host_discovery

Dockerfile

@@ -1,16 +1,28 @@
-FROM python:3.7.2-alpine3.9
+FROM python:3.7.3-alpine3.9 as builder
 
 RUN apk add --update \
     linux-headers \
-    build-base \
+    wireshark \
     tcpdump \
-    wireshark
+    build-base \
+    ebtables
 
 RUN mkdir -p /kube-hunter 
 COPY ./requirements.txt /kube-hunter/.
-RUN pip install -r /kube-hunter/requirements.txt
+RUN pip install -r /kube-hunter/requirements.txt -t /kube-hunter
 
 COPY . /kube-hunter
+
+FROM python:3.7.3-alpine3.9
+
+RUN apk add --update \
+    linux-headers \
+    wireshark \
+    tcpdump 
+
+COPY --from=builder /kube-hunter /kube-hunter
+COPY --from=builder /etc/ethertypes /etc/ethertypes
+
 WORKDIR /kube-hunter
 
 ENTRYPOINT ["python",  "kube-hunter.py"]