text: package container // import "github.com/docker/docker/api/types/container"
  
  import (
  	"time"
  
  	"github.com/docker/docker/api/types/strslice"
  	"github.com/docker/go-connections/nat"
  )
  
  // MinimumDuration puts a minimum on user configured duration.
  // This is to prevent API error on time unit. For example, API may
  // set 3 as healthcheck interval with intention of 3 seconds, but
  // Docker interprets it as 3 nanoseconds.
  const MinimumDuration = 1 * time.Millisecond
  
  // HealthConfig holds configuration settings for the HEALTHCHECK feature.
  type HealthConfig struct {
  	// Test is the test to perform to check that the container is healthy.
  	// An empty slice means to inherit the default.
  	// The options are:
  	// {} : inherit healthcheck
  	// {"NONE"} : disable healthcheck
  	// {"CMD", args...} : exec arguments directly
  	// {"CMD-SHELL", command} : run command with system's default shell
  	Test []string `json:",omitempty"`
  
  	// Zero means to inherit. Durations are expressed as integer nanoseconds.
  	Interval    time.Duration `json:",omitempty"` // Interval is the time to wait between checks.
  	Timeout     time.Duration `json:",omitempty"` // Timeout is the time to wait before considering the check to have hung.
  	StartPeriod time.Duration `json:",omitempty"` // The start period for the container to initialize before the retries starts to count down.
  
  	// Retries is the number of consecutive failures needed to consider a container as unhealthy.
  	// Zero means inherit.
  	Retries int `json:",omitempty"`
  }
  
  // Config contains the configuration data about a container.
  // It should hold only portable information about the container.
  // Here, "portable" means "independent from the host we are running on".
  // Non-portable information *should* appear in HostConfig.
  // All fields added to this struct must be marked `omitempty` to keep getting
  // predictable hashes from the old `v1Compatibility` configuration.
  type Config struct {
  	Hostname        string              // Hostname
  	Domainname      string              // Domainname
  	User            string              // User that will run the command(s) inside the container, also support user:group
  	AttachStdin     bool                // Attach the standard input, makes possible user interaction
  	AttachStdout    bool                // Attach the standard output
  	AttachStderr    bool                // Attach the standard error
  	ExposedPorts    nat.PortSet         `json:",omitempty"` // List of exposed ports
  	Tty             bool                // Attach standard streams to a tty, including stdin if it is not closed.
  	OpenStdin       bool                // Open stdin
  	StdinOnce       bool                // If true, close stdin after the 1 attached client disconnects.
  	Env             []string            // List of environment variable to set in the container
  	Cmd             strslice.StrSlice   // Command to run when starting the container
  	Healthcheck     *HealthConfig       `json:",omitempty"` // Healthcheck describes how to check the container is healthy
  	ArgsEscaped     bool                `json:",omitempty"` // True if command is already escaped (Windows specific)
  	Image           string              // Name of the image as it was passed by the operator (e.g. could be symbolic)
  	Volumes         map[string]struct{} // List of volumes (mounts) used for the container
  	WorkingDir      string              // Current directory (PWD) in the command will be launched
  	Entrypoint      strslice.StrSlice   // Entrypoint to run when starting the container
  	NetworkDisabled bool                `json:",omitempty"` // Is network disabled
  	MacAddress      string              `json:",omitempty"` // Mac Address of the container
  	OnBuild         []string            // ONBUILD metadata that were defined on the image Dockerfile
  	Labels          map[string]string   // List of labels set to this container
  	StopSignal      string              `json:",omitempty"` // Signal to stop a container
  	StopTimeout     *int                `json:",omitempty"` // Timeout (in seconds) to stop a container
  	Shell           strslice.StrSlice   `json:",omitempty"` // Shell for shell-form of RUN, CMD, ENTRYPOINT
  }
  