Docker image to use in a initiContainer with a collection of tools

Using Alpine Linux 3.9

It includes:

• libgcc 8.3.0-r0
• krb5-conf 1.0-r1
• libcom_err 1.44.5-r0
• keyutils-libs 1.6-r0
• libverto 0.3.0-r1
• krb5-libs 1.15.5-r0
• json-c 0.13.1-r0
• libxml2 2.9.9-r1
• bind-libs 9.12.4_p2-r0
• bind-tools 9.12.4_p2-r0
• ca-certificates 20190108-r0
• nghttp2-libs 1.35.1-r0
• libssh2 1.8.2-r0
• libcurl 7.64.0-r2
• curl 7.64.0-r2
• expat 2.2.7-r0
• pcre2 10.32-r1
• git 2.20.1-r0
• mii-tool 1.60_git20140218-r2
• net-tools 1.60_git20140218-r2
• openssh-keygen 7.9_p1-r5
• ncurses-terminfo-base 6.1_p20190105-r0
• ncurses-terminfo 6.1_p20190105-r0
• ncurses-libs 6.1_p20190105-r0
• libedit 20181209.3.1-r0
• openssh-client 7.9_p1-r5
• openssh-sftp-server 7.9_p1-r5
• openssh-server-common 7.9_p1-r5
• openssh-server 7.9_p1-r5
• openssh 7.9_p1-r5
• openssl 1.1.1b-r1
• py-markupsafe 1.1.0-r0
• py-jinja2 2.10-r2