{"id":"cbb04da5501b1e08","repo":"docker/cli","slug":"insecure-registry-s-is-not-valid-w","errorCode":null,"errorMessage":"insecure registry %s is not valid: %w","messagePattern":"insecure registry (.+?) is not valid: %w","errorType":"validation","errorClass":"invalidParameterErr","httpStatus":null,"severity":"error","filePath":"internal/registry/config.go","lineNumber":137,"sourceCode":"\t\t\tdefault:\n\t\t\t\t// unsupported scheme\n\t\t\t\treturn nil, invalidParam(fmt.Errorf(\"insecure registry %s should not contain '://'\", r))\n\t\t\t}\n\t\t}\n\t\t// Check if CIDR was passed to --insecure-registry\n\t\t_, ipnet, err := net.ParseCIDR(r)\n\t\tif err == nil {\n\t\t\t// Valid CIDR. If ipnet is already in config.InsecureRegistryCIDRs, skip.\n\t\t\tfor _, value := range insecureRegistryCIDRs {\n\t\t\t\tif value.IP.String() == ipnet.IP.String() && value.Mask.String() == ipnet.Mask.String() {\n\t\t\t\t\tcontinue skip\n\t\t\t\t}\n\t\t\t}\n\t\t\t// ipnet is not found, add it in config.InsecureRegistryCIDRs\n\t\t\tinsecureRegistryCIDRs = append(insecureRegistryCIDRs, ipnet)\n\t\t} else {\n\t\t\tif err := validateHostPort(r); err != nil {\n\t\t\t\treturn nil, invalidParam(fmt.Errorf(\"insecure registry %s is not valid: %w\", r, err))\n\t\t\t}\n\t\t\t// Assume `host:port` if not CIDR.\n\t\t\tindexConfigs[r] = &registry.IndexInfo{\n\t\t\t\tName:     r,\n\t\t\t\tSecure:   false,\n\t\t\t\tOfficial: false,\n\t\t\t}\n\t\t}\n\t}\n\n\t// Configure public registry.\n\tindexConfigs[IndexName] = &registry.IndexInfo{\n\t\tName:     IndexName,\n\t\tSecure:   true,\n\t\tOfficial: true,\n\t}\n\n\treturn &serviceConfig{","sourceCodeStart":119,"sourceCodeEnd":155,"githubUrl":"https://github.com/docker/cli/blob/e9452d6e785f6e365712b9d71bd7517591773c86/internal/registry/config.go#L119-L155","documentation":"Error \"insecure registry %s is not valid: %w\" thrown in docker/cli.","triggerScenarios":"Thrown at internal/registry/config.go:137 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}