Template composition – layout templates
When developing web applications, it is usually desirable to have a few templates specifying page layouts. Complete web pages are constructed by combining page components, developed as independent templates using this layout. Unfortunately, the Go template engine forces you to think of alternative solutions because Go template references are static. This means you would need a separate layout template for each page.
But there are alternatives.
I’ll show you a basic idea that demonstrates how template composition can be used so that you can extend it, based on your use case, or how to use an available third-party library that does this. The crucial idea in composition using layout templates is that if you define a new template using an already-defined template name, the new definition overrides the older one.
How to do it...
- Create a layout template. Use empty templates or templates with default content for the sections...
