Move post-deploy trigger to core-post-deploy. Refs #2367

This avoids issues where community plugins may break core commands because of issues in the command output.

plugins/nginx-vhosts/core-post-deploy

@@ -0,0 +1,25 @@
+#!/usr/bin/env bash
+set -eo pipefail; [[ $DOKKU_TRACE ]] && set -x
+source "$PLUGIN_CORE_AVAILABLE_PATH/common/functions"
+source "$PLUGIN_AVAILABLE_PATH/domains/functions"
+source "$PLUGIN_AVAILABLE_PATH/nginx-vhosts/functions"
+source "$PLUGIN_AVAILABLE_PATH/proxy/functions"
+
+nginx_core_post_deploy() {
+  declare desc="nginx-vhosts core-post-deploy plugin trigger"
+  local trigger="nginx_core_post_deploy"
+  local APP="$1"
+  if [[ -f "$DOKKU_ROOT/$APP/IP.web.1" ]] && [[ -f "$DOKKU_ROOT/$APP/PORT.web.1" ]]; then
+    if [[ "$(is_app_vhost_enabled "$APP")" == "false" ]]; then
+      dokku_log_info1 "VHOST support disabled. Skipping domains setup"
+    elif [[ ! -f "$DOKKU_ROOT/$APP/VHOST" ]]; then
+      domains_setup "$APP"
+    fi
+
+    nginx_build_config "$APP"
+  fi
+}
+
+if [[ "$(get_app_proxy_type "$1")" == "nginx" ]]; then
+  nginx_core_post_deploy "$@"
+fi