add dsniff

dsniff/arm/Dockerfile

@@ -0,0 +1,15 @@
+#
+# Dockerfile for dsniff-arm
+#
+
+FROM easypi/alpine-arm
+
+MAINTAINER EasyPi Software Foundation
+
+RUN set -xe \
+    && echo 'http://dl-cdn.alpinelinux.org/alpine/edge/testing' >> /etc/apk/repositories \
+    && apk add --no-cache bash coreutils dsniff tmux
+
+CMD set -xe \
+    && tmux new -d -x 800 -y 600 \
+    && sleep infinity

dsniff/arm/docker-compose.yml

@@ -0,0 +1,8 @@
+dsniff:
+  image: easypi/dsniff-arm
+  net: host
+  volumes:
+    - ./data:/data
+  working_dir: /data
+  tty: yes
+  restart: unless-stopped