Times to time I need to create script with user friendly interface, for this usage with ARG0, ARG1... bad form. Here example how to use normal argument's like "script.sh -h"
How to protect iptables when we use docker-compose. By default docker dynamically add some rules to iptables and you can't flush or manage firewall as usual. I sow many solutions, like save current docker rules and after returning back... I don't think it is a good idea... If docker can't deal with FW - we need free him from this task. Here about docker-compose demonization with systemd .
How to (auto)start infrastructure with docker-compose. Very useful for development needs as example for review server (pre-prod or test environment). Here about how to protect iptables when we use docker-compose .
How to tunnel 2 AWS networks and don't use AWS services. Most of manual show how to do it, but without high availability. Here we can have asymmetric routing or any other.