fix: add app name to ps output + docs

Part of coop-cloud/organising#252.

cli/app/ps.go

@@ -26,9 +26,10 @@ var watchFlag = &cli.BoolFlag{
 }
 
 var appPsCommand = &cli.Command{
-	Name:    "ps",
-	Usage:   "Check app status",
-	Aliases: []string{"p"},
+	Name:        "ps",
+	Usage:       "Check app status",
+	Description: "This command shows a more detailed status output of a specific deployed app.",
+	Aliases:     []string{"p"},
 	Flags: []cli.Flag{
 		watchFlag,
 	},
@@ -75,7 +76,7 @@ func showPSOutput(c *cli.Context) {
 		logrus.Fatal(err)
 	}
 
-	tableCol := []string{"image", "created", "status", "ports", "names"}
+	tableCol := []string{"image", "created", "status", "ports", "app name", "services"}
 	table := abraFormatter.CreateTable(tableCol)
 
 	for _, container := range containers {
@@ -90,6 +91,7 @@ func showPSOutput(c *cli.Context) {
 			abraFormatter.HumanDuration(container.Created),
 			container.Status,
 			formatter.DisplayablePorts(container.Ports),
+			app.StackName(),
 			strings.Join(containerNames, "\n"),
 		}
 		table.Append(tableRow)