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Using environment variables instead of configuration files is pretty standard practice for the modern application development process. It’s just convenient to run application deployment only with docker-compose/helm/whatever YAML-files and not caring about additional configuration files. But sometimes it’s necessary to about application dependencies which are configured via static configuration files. For such cases, I wrote a brief practical guide based on my experience. I’ll try to show how to ease such deployments with Bash templating scripts.

Why Bash? Well, because in many cases you can find Bash inside almost any Linux distro, like Debian/Ubuntu and CentOS/RHEL-like. …

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Ivan Tuzhilkin

Experienced problem solver.

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