- Lab
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Libraries: If you want this lab, consider one of these libraries.
- Cloud
Editing Code in Vim
Vim is known for being powerful—and occasionally difficult to use—but with a few keystrokes, you can effectively make quick changes to your files, whether containing code, notes, or your latest novel. In this lab, you will edit and add text to a file, copy, paste, delete, and join lines.
Lab Info
Table of Contents
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Challenge
Update Dockerfile
Update the
Dockerfileto include the missing line,COPY . .on line 7. Ideally, this should involve entering Visual mode, copying, pasting, and deleting words bordered by whitespace. -
Challenge
Update server.js
Update
server.jsto resolve any case issues and join the interrupted line, line 5, with its other half. -
Challenge
Update app.js
Update
app.jsto include a comment,// Call Express, at the top of the file.
Real skill practice before real-world application
Hands-on Labs are real environments created by industry experts to help you learn. These environments help you gain knowledge and experience, practice without compromising your system, test without risk, destroy without fear, and let you learn from your mistakes. Hands-on Labs: practice your skills before delivering in the real world.
Learn by doing
Engage hands-on with the tools and technologies you’re learning. You pick the skill, we provide the credentials and environment.
Follow your guide
All labs have detailed instructions and objectives, guiding you through the learning process and ensuring you understand every step.
Turn time into mastery
On average, you retain 75% more of your learning if you take time to practice. Hands-on labs set you up for success to make those skills stick.