Add rm command

Signed-off-by: Ulysses Souza <ulyssessouza@gmail.com>

cli/cmd/rm.go

@@ -0,0 +1,51 @@
+package cmd
+
+import (
+	"strings"
+
+	"github.com/pkg/errors"
+	"github.com/spf13/cobra"
+
+	"github.com/docker/api/client"
+)
+
+type rmOpts struct {
+	force bool
+}
+
+// RmCommand deletes containers
+func RmCommand() *cobra.Command {
+	var opts rmOpts
+	cmd := &cobra.Command{
+		Use:     "rm",
+		Aliases: []string{"delete"},
+		Short:   "Remove containers",
+		Args:    cobra.MinimumNArgs(1),
+		RunE: func(cmd *cobra.Command, args []string) error {
+			var errs []string
+			c, err := client.New(cmd.Context())
+			if err != nil {
+				return errors.Wrap(err, "cannot connect to backend")
+			}
+
+			for _, id := range args {
+				err := c.ContainerService().Delete(cmd.Context(), id, opts.force)
+				if err != nil {
+					errs = append(errs, err.Error())
+					continue
+				}
+				println(id)
+			}
+
+			if len(errs) > 0 {
+				return errors.New(strings.Join(errs, "\n"))
+			}
+
+			return nil
+		},
+	}
+
+	cmd.Flags().BoolVarP(&opts.force, "force", "f", false, "Force removal")
+
+	return cmd
+}