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What are Prime Images?

Prime Images lets you push custom Docker images to Prime’s registry and use them in sandboxes. Builds happen in the cloud, so you don’t need Docker running locally.

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Push an Image

# Basic push (uses ./Dockerfile in current directory)
prime images push myapp:v1.0.0

# Specify a different Dockerfile
prime images push myapp:v1.0.0 --dockerfile custom.Dockerfile

# Use a different build context
prime images push myapp:v1.0.0 --context ./app
The CLI packages your build context, uploads it, and kicks off a remote build. You’ll get a build ID to track progress.

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Check Build Status

# See all your images and their build status
prime images list
Status meanings:
  • Ready – Build succeeded, image is usable
  • Building – Build in progress
  • Pending – Queued for build
  • Failed – Build failed (check your Dockerfile)

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Use Your Image

Once the status shows Ready, create a sandbox with it: 
prime sandbox create <user_id>/myapp:v1.0.0 --cpu-cores 2 --memory-gb 4

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Delete an Image

prime images delete myapp:v1.0.0

# Skip confirmation
prime images delete myapp:v1.0.0 --yes