3.1 - Copying Files During The Build
3.2.1 - Exercise: Writing Docker Files
3.2.2 - Solution: Writing Docker Files
3.3 - Reducing Image Sizes
3.5 - Publishing Images to the Docker Hub
3.6 - Tips for Efficient Docker Files
3.7 - Dockerfile Examples
3.8.1 - Exercise: Writing Better Docker Files
3.8.2 - Solution: Writing Better Docker Files