Docker Build Commands Reference

Essential Docker build commands with explanations and examples

Building Images

Building Docker Images

Command Description Action
docker build -t [name:tag] . Builds an image using a Dockerfile located in the same folder
docker build -t [name:tag] -f [fileName] Builds an image using a Dockerfile located in a different folder
docker tag [imageName] [name:tag] Tag an existing image

Docker Build Tips

Naming Conventions

Use descriptive names and tags for your images. A good practice is to use: username/repository:tag

Dockerfile Location

When using -f flag, specify the path to your Dockerfile. The build context (.) is still important for copying files.