Its good that you already start worrying

Then maybe it the best if you build portfolio based on job description.

Step 1 : find a job that you think you are interested. read the job description

Step 2 : identify tools needed to execute the job.

Step 3 : open youtube/udemy to attend some hands on regarding the tools that you already choose

Step 4 : apply the skill by commit sample project to public repo github/bitbucket