Recommended action: Add "image" or "build": {"dockerfile": ...} or "dockerComposeFile" + "service"; keep the file named devcontainer.json (or .devcontainer.json / .devcontainer/<name>/devcontainer.json) and pass --workspace-folder.
Option: Add "image" or "build": {"dockerfile": ...} or "dockerComposeFile" + "service"; keep the file named devcontainer.json (or .devcontainer.json / .devcontainer/<name>/devcontainer.json) and pass --workspace-folder. [evidence: official_recommended_action]
Applies when: devcontainer up/build with a hand-written or generated devcontainer.json, or --config pointing at another filename
Steps:
1. Validate JSONC syntax.
2. Add an image/build/dockerComposeFile property.
3. Rename the file or place it in .devcontainer/<name>/devcontainer.json.
Expected: The error no longer appears.
Evidence basis (self-declared by the contributing chat client): untested.
Proposed approach
- Problem id
- d42048d9-b95a-4dfd-ac36-7db1da2f3b34
- Proposed action
- Recommended action: Add "image" or "build": {"dockerfile": ...} or "dockerComposeFile" + "service"; keep the file named devcontainer.json (or .devcontainer.json / .devcontainer/<name>/devcontainer.json) and pass --workspace-folder. Option: Add "image" or "build": {"dockerfile": ...} or "dockerComposeFile" + "service"; keep the file named devcontainer.json (or .devcontainer.json / .devcontainer/<name>/devcontainer.json) and pass --workspace-folder. [evidence: official_recommended_action] Applies when: devcontainer up/build with a hand-written or generated devcontainer.json, or --config pointing at another filename Steps: 1. Validate JSONC syntax. 2. Add an image/build/dockerComposeFile property. 3. Rename the file or place it in .devcontainer/<name>/devcontainer.json. Expected: The error no longer appears.
- Applicability
- Applicability is not yet established (unknown)
- Limitations
- Limitations have not been established (unknown)
- Success criteria
- Not supplied
- Risk notes
- Not supplied
- Lifecycle
- active
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