{"id":"a44b03dc46d65b10","repo":"docker/cli","slug":"invalid-type-t-for-map-string-string","errorCode":null,"errorMessage":"invalid type %T for map[string]string","messagePattern":"invalid type %T for map\\[string\\]string","errorType":"validation","errorClass":null,"httpStatus":null,"severity":"error","filePath":"cli/compose/loader/loader.go","lineNumber":692,"sourceCode":"\n\treturn obj, nil\n}\n\nfunc absPath(workingDir string, filePath string) string {\n\tif filepath.IsAbs(filePath) {\n\t\treturn filePath\n\t}\n\treturn filepath.Join(workingDir, filePath)\n}\n\nvar transformMapStringString TransformerFunc = func(data any) (any, error) {\n\tswitch value := data.(type) {\n\tcase map[string]any:\n\t\treturn toMapStringString(value, false), nil\n\tcase map[string]string:\n\t\treturn value, nil\n\tdefault:\n\t\treturn data, fmt.Errorf(\"invalid type %T for map[string]string\", value)\n\t}\n}\n\nvar transformExternal TransformerFunc = func(data any) (any, error) {\n\tswitch value := data.(type) {\n\tcase bool:\n\t\treturn map[string]any{\"external\": value}, nil\n\tcase map[string]any:\n\t\treturn map[string]any{\"external\": true, \"name\": value[\"name\"]}, nil\n\tdefault:\n\t\treturn data, fmt.Errorf(\"invalid type %T for external\", value)\n\t}\n}\n\nvar transformServicePort TransformerFunc = func(data any) (any, error) {\n\tswitch entries := data.(type) {\n\tcase []any:\n\t\t// We process the list instead of individual items here.","sourceCodeStart":674,"sourceCodeEnd":710,"githubUrl":"https://github.com/docker/cli/blob/e9452d6e785f6e365712b9d71bd7517591773c86/cli/compose/loader/loader.go#L674-L710","documentation":"Error \"invalid type %T for map[string]string\" thrown in docker/cli.","triggerScenarios":"Thrown at cli/compose/loader/loader.go:692 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":[],"exampleFix":null,"handlingStrategy":null,"validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"analyzedSha":"e9452d6e785f6e365712b9d71bd7517591773c86","analyzedAt":"2026-08-01T07:09:22.474Z","schemaVersion":2}