github.com/docker/app@v0.9.1-beta3.0.20210611140623-a48f773ab002/internal/formatter/yaml/driver.go (about) 1 package yaml 2 3 import ( 4 "github.com/docker/app/internal/formatter" 5 "github.com/docker/app/internal/yaml" 6 composetypes "github.com/docker/cli/cli/compose/types" 7 "github.com/pkg/errors" 8 ) 9 10 func init() { 11 formatter.Register("yaml", &Driver{}) 12 } 13 14 // Driver is the yaml implementation of formatter drivers. 15 type Driver struct{} 16 17 // Format creates a YAML document from the source config. 18 func (d *Driver) Format(config *composetypes.Config) (string, error) { 19 result, err := yaml.Marshal(config) 20 if err != nil { 21 return "", errors.Wrap(err, "failed to produce yaml structure") 22 } 23 return string(result), nil 24 }