preprocess

type ComposeFile struct {
	Services map[string]map[string]interface{} `yaml:"services"`
	Networks map[string]interface{}            `yaml:"networks,omitempty"`
	Volumes  map[string]map[string]interface{} `yaml:"volumes,omitempty"`
	Secrets  map[string]map[string]interface{} `yaml:"secrets,omitempty"`
	Config   *ProjectConfig                    `yaml:"-"` // Internal use
}

type Engine struct {
	ProjectName      string
	WorkingDirectory string
}

type ProjectConfig struct {
	ProjectName      string
	WorkingDirectory string
}

type SecretDef struct {
	Name         string // compose key name, e.g. "db_password"
	File         string // absolute path for "file:" secrets
	Environment  string // env var name for "environment:" secrets
	Content      string // resolved value (from env var or .env file), for "environment:" secrets
	External     bool   // true if "external: true"
	ExternalName string // "name:" field for external secrets with alternate lookup
}

type SecretRef struct {
	Source string // secret name from the top-level secrets section
	Target string // optional custom mount path (defaults to /run/secrets/<source>)
}

type ServiceBuildSpec struct {
	ServiceName string
	HasBuild    bool
	ImageTag    string                 // image tag for the build (injected or user-provided)
	Context     string                 // absolute build context path
	Dockerfile  string                 // absolute path to the patched Dockerfile
	Target      string                 // build target stage
	Network     string                 // build network mode
	NoCache     bool                   // --no-cache
	Args        map[string]string      // build args
	Labels      map[string]string      // build labels
	PullPolicy  string                 // build pull policy
	Platform    string                 // platform (e.g. "linux/amd64")
	Extra       map[string]interface{} // other build fields preserved as-is
}

type ServiceImageSpec struct {
	ServiceName string // compose service name, e.g. "web"
	Image       string // normalized image, e.g. "docker.io/library/nginx:latest"
	PullPolicy  string // pull_policy value: always, missing, never, if_not_present, etc.
	OS          string // from platform field, e.g. "linux"
	Arch        string // from platform field, e.g. "amd64"
	Variant     string // from platform field, e.g. "v8"
}

type ServiceSecretRefs map[string][]SecretRef

type StringMap map[string]string