added grpcurl and nano

.gitattributes

@@ -0,0 +1,3 @@
+*.sh text eol=lf
+motd text eol=lf
+profile text eol=lf

Dockerfile

@@ -33,6 +33,7 @@ RUN set -ex \
     netcat-openbsd \
     nftables \
     ngrep \
+    nano \
     nmap \
     nmap-nping \
     openssl \
@@ -42,6 +43,7 @@ RUN set -ex \
     scapy \
     socat \
     strace \
+    tar \
     tcpdump \
     tcptraceroute \
     util-linux \
@@ -53,6 +55,9 @@ RUN mv /usr/sbin/tcpdump /usr/bin/tcpdump
 # Installing ctop - top-like container monitor
 RUN wget https://github.com/bcicen/ctop/releases/download/v0.7.1/ctop-0.7.1-linux-amd64 -O /usr/local/bin/ctop && chmod +x /usr/local/bin/ctop
 
+# Installing gRPCurl
+RUN wget -qO- https://github.com/fullstorydev/grpcurl/releases/download/v1.2.1/grpcurl_1.2.1_linux_x86_64.tar.gz | tar xzvf - -C /usr/local/bin/ grpcurl && chmod +x /usr/local/bin/grpcurl
+
 # Installing calicoctl
 ARG CALICOCTL_VERSION=v3.3.1
 RUN wget https://github.com/projectcalico/calicoctl/releases/download/${CALICOCTL_VERSION}/calicoctl && chmod +x calicoctl && mv calicoctl /usr/local/bin