There are solutions, as many have already suggested them. But, you'll need to get a bit of an understanding of how that back-end stuff works. If you master HTML/CSS/JS you should also look a bit into the server side. I'm not saying you have to learn PHP, or ruby, or any other language used on the server side, but you should know the basics of how an apache works and why it does what it does. Even if you are specialized in Front End Tech; The server is part of the whole system and can't be ignored. As performance etc. are now a crucial part of the success metrics of a website, knowing the basics is essential.
There are solutions, as many have already suggested them. But, you'll need to get a bit of an understanding of how that back-end stuff works. If you master HTML/CSS/JS you should also look a bit into the server side. I'm not saying you have to learn PHP, or ruby, or any other language used on the server side, but you should know the basics of how an apache works and why it does what it does. Even if you are specialized in Front End Tech; The server is part of the whole system and can't be ignored. As performance etc. are now a crucial part of the success metrics of a website, knowing the basics is essential.