What you would learn in Building a module in Go (Golang) course?
Web applications that are developed using Go are straightforward; however, it doesn't take long to recognize that in many instances, we are writing the same code each time we begin an entirely new project. It could be necessary to be able to read JSON or write JSON or upload files and any one of many other commonly employed features of a specific web-based application. Also, we frequently write code we've previously written several times over.
Instead of simply copying and copying code from one project to one, it's more beneficial to utilize Go modules -- which can be reused code that can be incorporated into a project by giving the "go get" command. If a new module's functionality is added, any project that incorporates it will benefit from the new functionality by simply changing its dependencies. And should a problem be discovered and you want to fix it, you can do so by updating the module. Each project that utilizes the module will receive the bug fixed with the single "go get -u" command.
Creating a secure, robust, well-tested, reliable module is not complex. However, it requires meticulous planning to guarantee it works with various operating systems.
This course will guide participants through each step needed to create a module that incorporates many of the functions that are commonly utilized in web applications, such as:
producing well formatted, informative error messages
Uploading one or more files on a shared server as well as limit uploads according to mime type and size of the file
making directories for the server
generating random strings
download static files
sending JSON to remote services
making an URL secure slug from the string
We'll develop our module with Go 1.18's new workspace tools. We'll also ensure that the whole module is thoroughly tested.
The final module we will create won't contain any dependencies from outside and will only utilize features that are part of Go's standard library.
At the time you've completed this course, it will be possible to have a Go module that will enable you to create a brand new website application much more quickly and less dependent on the code of someone else to accomplish this.
- How can you create an open-source, platform-independent, reusable Go module?
- How do you make your module available to other Go developers
- How do you write your module's tests?
- How do you handle different versions of the module
- How do you use Go 1.18's new feature for work Workspaces, workspaces
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