Set the default devcontainer image for repositories without a devcontainer configuration. Useful when:Documentation Index
Fetch the complete documentation index at: https://ona.com/docs/llms.txt
Use this file to discover all available pages before exploring further.
- Standardizing base tooling across all environments
- Pre-installing company-specific tools or certificates
- Using internal images from a private registry
Configuration
Enter a container image reference (e.g.,mcr.microsoft.com/devcontainers/base:2.0.4-noble). If empty, uses system default.
Using private images? Set up container registry credentials first.
When this image is used
| Scenario | Image used |
|---|---|
Repository has .devcontainer/devcontainer.json | Repository’s configured image |
| Repository has no devcontainer config | Organization default image |
| Blank environment (no repository) | Organization default image |