feat: restructure runtime config and remove cerebrium. prefix#57
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elijah-rou wants to merge 5 commits intomainfrom
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feat: restructure runtime config and remove cerebrium. prefix#57elijah-rou wants to merge 5 commits intomainfrom
elijah-rou wants to merge 5 commits intomainfrom
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…imes Split [cerebrium.runtime.custom] into separate runtime types: - [cerebrium.runtime.cortex] for Cerebrium managed Python (default) - [cerebrium.runtime.python] for custom Python ASGI apps - [cerebrium.runtime.docker] for custom Dockerfiles Move runtime-specific params (python_version, docker_base_image_url, shell_commands, pre_build_commands, use_uv) from [cerebrium.deployment] to the appropriate runtime sections. Backwards compatibility maintained: - Deprecated [cerebrium.runtime.custom] still works with warnings - Deprecated deployment fields still work with warnings - Runtime section values take precedence over deprecated fields
wesrobin
reviewed
Jan 23, 2026
Replace specific runtime structs (CortexRuntimeConfig, PythonRuntimeConfig, DockerRuntimeConfig, etc.) with a single generic RuntimeConfig that accepts any [cerebrium.runtime.<name>] section. The CLI now passes runtime parameters through to the backend for validation, allowing new runtimes to be added without CLI changes. Key changes: - RuntimeConfig now has Type (string) and Params (map[string]any) - CLI only validates local requirements (file paths exist) - Backend validates runtime-specific parameters - Backwards compatible with deprecated deployment fields
wesrobin
reviewed
Jan 23, 2026
elijah-rou
commented
Jan 23, 2026
Move dependencies from top-level [cerebrium.dependencies] to runtime-specific
sections [cerebrium.runtime.{type}.dependencies.*] while maintaining backwards
compatibility with deprecation warnings.
- Add GetDependencies() to RuntimeConfig to parse deps from runtime params
- Add GetEffectiveDependencies() to merge top-level and runtime deps (runtime wins)
- Add deprecation warning when top-level dependencies are used
- Update dependency file generation to use merged dependencies
- Add ValidateRuntime API endpoint to validate runtime config before deploy
- Include effective dependencies in runtime validation payload
- Add helper methods for shell_commands and pre_build_commands from runtime
elijah-rou
changed the title
Support both formats for TOML configuration: - New format: [deployment], [runtime.cortex], [hardware], etc. - Legacy format: [cerebrium.deployment], [cerebrium.runtime.cortex], etc. The legacy format with cerebrium. prefix is now deprecated and shows a warning, but remains fully functional for backwards compatibility. Mixing formats in the same file is not allowed.
- Add _file_relative_path key inside dependency maps (pip, conda, apt) as the new recommended way to specify requirements files - Maintain backwards compatibility with deprecated [dependencies.paths] section - both patterns work, new key takes precedence - Parse requirements.txt format and merge inline packages on top (inline wins per-package) - Add deprecation warnings for [dependencies.paths] usage pointing users to the new _file_relative_path pattern - Add comprehensive tests for both old and new patterns
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Summary
cerebrium.prefix requirement (backwards compatible with deprecation warnings)_file_relative_pathkey for dependency files with file+inline mergingChanges
Runtime Config
map[string]anypassed to backend for validationConfig Format
cerebrium.prefix is recommended[cerebrium.*]format still works with deprecation warningDependencies
_file_relative_pathkey inside dependency maps (recommended)[dependencies.paths]section still works with warningcerebrium.prefixDeprecation Warnings
Users see warnings for:
[cerebrium.*]prefix usage[cerebrium.dependencies]/[dependencies]top-level section (should move to runtime)[cerebrium.dependencies.paths]/[dependencies.paths]section[runtime.custom]usage (migrate to[runtime.docker]or[runtime.python])Test Plan
_file_relative_pathpatterncerebrium.prefix and non-prefix formatsmake buildsucceeds