Pass values for Dockerfile `ARG` instructions.
Section: Build Flags and Targets
Pass build args
bash
bash
docker build --build-arg NODE_VERSION=20 -t myapp:dev .Explanation
Great for version pinning and parameterized builds.
Learn the surrounding workflow
Compare similar commands or jump into common fixes when this command is part of a bigger troubleshooting path.
Related commands
Same sheet · prioritizing Build Flags and Targets
Always pull newer base image
Attempt to pull a newer base image before build.
Build from Dockerfile
Build an image from the Dockerfile in the current directory.