Contains a lot of debugging tools for production. Based on alpine.

• Build/code: build-base git go bash bash-completion ncurses vim tmux jq
• Network: bind-tools iputils tcpdump curl nmap tcpflow iftop net-tools mtr netcat-openbsd bridge-utils iperf ngrep
• Certificates: ca-certificates openssl
• Processes/IO: htop atop strace iotop sysstat ltrace ncdu logrotate hdparm pciutils psmisc tree pv

docker run --rm -ti --net container:<container-id> quay.io/giantswarm/debug

Just double press <ctrl>+b to use the inner tmux