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{ const container = $el; // The div with overflow const item = document.getElementById('sidebar-current-page') if (item) { const containerTop = container.scrollTop; const containerBottom = containerTop + container.clientHeight; const itemTop = item.offsetTop - container.offsetTop; const itemBottom = itemTop + item.offsetHeight; // Scroll only if the item is out of view if (itemBottom > containerBottom - 200) { container.scrollTop = itemTop - (container.clientHeight / 2 - item.offsetHeight / 2); } } })" class="bg-background-toc dark:bg-background-toc fixed top-0 z-40 hidden h-screen w-full flex-none overflow-x-hidden overflow-y-auto md:sticky md:top-16 md:z-auto md:block md:h-[calc(100vh-64px)] md:w-[320px]" :class="{ 'hidden': ! $store.showSidebar }">
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Environment variables in Compose


Environment variables and interpolation in Docker Compose help you create reusable, flexible configurations. This makes Dockerized applications easier to manage and deploy across environments.

Tip

Before using environment variables, read through all of the information first to get a full picture of environment variables in Docker Compose.

This section covers:

It also covers:

  • How interpolation can be used to set variables within your Compose file and how it relates to a container's environment.
  • Some best practices.