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@@ -1,6 +1,7 @@
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package main
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import (
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+ "fmt"
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"os"
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"path/filepath"
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@@ -38,5 +39,55 @@ func init() {
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flCa = flag.String([]string{"-tlscacert"}, filepath.Join(dockerCertPath, defaultCaFile), "Trust only remotes providing a certificate signed by the CA given here")
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flCert = flag.String([]string{"-tlscert"}, filepath.Join(dockerCertPath, defaultCertFile), "Path to TLS certificate file")
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flKey = flag.String([]string{"-tlskey"}, filepath.Join(dockerCertPath, defaultKeyFile), "Path to TLS key file")
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- opts.HostListVar(&flHosts, []string{"H", "-host"}, "The socket(s) to bind to in daemon mode\nspecified using one or more tcp://host:port, unix:///path/to/socket, fd://* or fd://socketfd.")
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+ opts.HostListVar(&flHosts, []string{"H", "-host"}, "The socket(s) to bind to in daemon mode or connect to in client mode, specified using one or more tcp://host:port, unix:///path/to/socket, fd://* or fd://socketfd.")
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+
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+ flag.Usage = func() {
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+ fmt.Fprint(os.Stderr, "Usage: docker [OPTIONS] COMMAND [arg...]\n\nA self-sufficient runtime for linux containers.\n\nOptions:\n")
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+
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+ flag.PrintDefaults()
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+
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+ help := "\nCommands:\n"
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+
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+ for _, command := range [][]string{
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+ {"attach", "Attach to a running container"},
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+ {"build", "Build an image from a Dockerfile"},
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+ {"commit", "Create a new image from a container's changes"},
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+ {"cp", "Copy files/folders from a container's filesystem to the host path"},
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+ {"diff", "Inspect changes on a container's filesystem"},
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+ {"events", "Get real time events from the server"},
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+ {"export", "Stream the contents of a container as a tar archive"},
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+ {"history", "Show the history of an image"},
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+ {"images", "List images"},
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+ {"import", "Create a new filesystem image from the contents of a tarball"},
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+ {"info", "Display system-wide information"},
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+ {"inspect", "Return low-level information on a container"},
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+ {"kill", "Kill a running container"},
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+ {"load", "Load an image from a tar archive"},
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+ {"login", "Register or log in to a Docker registry server"},
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+ {"logout", "Log out from a Docker registry server"},
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+ {"logs", "Fetch the logs of a container"},
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+ {"port", "Lookup the public-facing port that is NAT-ed to PRIVATE_PORT"},
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+ {"pause", "Pause all processes within a container"},
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+ {"ps", "List containers"},
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+ {"pull", "Pull an image or a repository from a Docker registry server"},
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+ {"push", "Push an image or a repository to a Docker registry server"},
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+ {"restart", "Restart a running container"},
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+ {"rm", "Remove one or more containers"},
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+ {"rmi", "Remove one or more images"},
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+ {"run", "Run a command in a new container"},
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+ {"save", "Save an image to a tar archive"},
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+ {"search", "Search for an image on the Docker Hub"},
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+ {"start", "Start a stopped container"},
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+ {"stop", "Stop a running container"},
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+ {"tag", "Tag an image into a repository"},
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+ {"top", "Lookup the running processes of a container"},
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+ {"unpause", "Unpause a paused container"},
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+ {"version", "Show the Docker version information"},
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+ {"wait", "Block until a container stops, then print its exit code"},
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+ } {
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+ help += fmt.Sprintf(" %-10.10s%s\n", command[0], command[1])
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+ }
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+ help += "\nRun 'docker COMMAND --help' for more information on a command."
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+ fmt.Fprintf(os.Stderr, "%s\n", help)
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+ }
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}
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Michael Crosby