containerfile

package

v1.0.8 Latest Latest Go to latest Published: Aug 11, 2026 License: Apache-2.0 Imports: 4 Imported by: 0

Details

Package containerfile parses and validates the supported Containerfile subset.

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func Validate(path string, cf *File) error

Validate ensures a parsed file uses only the supported instruction subset.

type File struct{ Instructions []Instruction }

func ParseFile(path string) (*File, error)

ParseFile parses and validates a Containerfile or Dockerfile.

type Instruction struct {
	Op       string
	Args     string
	Flags    []string
	Tokens   []string
	JSON     bool
	Line     int
	Original string
}

type UnsupportedError struct {
	Path    string
	Line    int
	Op      string
	Message string
	Hint    string
}

UnsupportedError describes Containerfile syntax outside ocimage's supported subset.

func (e *UnsupportedError) Error() string

Error formats e with file and line context.