feat: add post-create support for env key in app.json

Closes #4498

plugins/config/Makefile

@@ -1,6 +1,6 @@
 GOARCH ?= amd64
 SUBCOMMANDS = subcommands/bundle subcommands/clear subcommands/export subcommands/get subcommands/import subcommands/keys subcommands/show subcommands/set subcommands/unset
-TRIGGERS = triggers/config-export triggers/config-get triggers/config-get-global triggers/config-unset triggers/post-app-clone-setup triggers/post-app-rename-setup
+TRIGGERS = triggers/config-export triggers/config-get triggers/config-get-global triggers/config-set triggers/config-unset triggers/post-app-clone-setup triggers/post-app-rename-setup
 BUILD = commands config_sub subcommands triggers
 PLUGIN_NAME = config
 

plugins/config/functions

@@ -65,3 +65,14 @@ config_bundle() {
   declare desc="export tar bundle of config"
   config_sub bundle "$@"
 }
+
+fn-config-set() {
+  declare desc="set config values via trigger (supports --no-restart)"
+  declare APP="$1" NO_RESTART="$2"
+  shift 2
+  if [[ "$NO_RESTART" == "true" ]]; then
+    plugn trigger config-set --no-restart "$APP" "$@"
+  else
+    plugn trigger config-set "$APP" "$@"
+  fi
+}

plugins/config/src/triggers/triggers.go

@@ -15,6 +15,7 @@ func main() {
 	parts := strings.Split(os.Args[0], "/")
 	trigger := parts[len(parts)-1]
 	global := flag.Bool("global", false, "--global: Whether global or app-specific")
+	noRestart := flag.Bool("no-restart", false, "--no-restart: Whether to skip restart")
 	flag.Parse()
 
 	var err error
@@ -36,6 +37,10 @@ func main() {
 	case "config-get-global":
 		key := flag.Arg(0)
 		err = config.TriggerConfigGetGlobal(key)
+	case "config-set":
+		appName := flag.Arg(0)
+		pairs := flag.Args()[1:]
+		err = config.TriggerConfigSet(appName, *noRestart, pairs...)
 	case "config-unset":
 		appName := flag.Arg(0)
 		key := flag.Arg(1)

plugins/config/triggers.go

@@ -45,6 +45,11 @@ func TriggerConfigGetGlobal(key string) error {
 	return nil
 }
 
+// TriggerConfigSet sets config values for an app
+func TriggerConfigSet(appName string, noRestart bool, pairs ...string) error {
+	return SubSet(appName, pairs, noRestart, false)
+}
+
 // TriggerConfigUnset unsets an app config value by key
 func TriggerConfigUnset(appName string, key string, restart bool) error {
 	UnsetMany(appName, []string{key}, restart)