Changed composition to make it easier to user

vulnbox/DOCKERFILE

@@ -1,10 +1,10 @@
 FROM alpine
 
-ENV PATH "$PATH:/docker-bin"
+ENV PATH="$PATH:/docker-bin"
 
 RUN apk update && apk upgrade
-RUN apk add nginx openssh openrc \
-    nano openssl git nginx-mod-stream \
+RUN apk add nginx openrc \
+    openssl nginx-mod-stream \
     nginx-mod-http-headers-more \
     tcpdump
 
@@ -16,12 +16,8 @@ RUN chown -R www:www /www
 
 RUN cp /etc/nginx/nginx.conf /etc/nginx/nginx.conf.orig
 
-# SSHD
-RUN rc-update add sshd
 RUN touch /run/openrc/softlevel
 
-COPY ./ssh/sshd_config /etc/ssh/sshd_config
-
 WORKDIR /docker-bin
 
 COPY ./helper-scripts /docker-bin