Work with ports again in app.json

app.json

@@ -2,6 +2,14 @@
   "name": "gitea",
   "description": "Gitea is a painless self-hosted Git service.",
   "repository": "https://gitlab.com/autonomic-cooperative/gitea-dokku",
+  "dokku": {
+    "plugins": [
+      {
+        "name": "proxy",
+        "commands": ["proxy:ports-set $APP http:80:3000 tcp:222:22"]
+      }
+    ]
+  },
   "scripts": {
     "dokku": {
       "predeploy": "bash /app/predeploy.sh",

predeploy.sh

@@ -11,17 +11,10 @@ setup_db() {
     fi
 }
 
-setup_ports() {
-    set -eu
-
-    /usr/bin/dokku proxy:ports-add http:80:3000
-}
-
 main() {
     set -eu
 
     setup_db
-    setup_ports
 }
 
 main