enable production config and debug config. allow debug to use any webroot.

config.json

   "Debug": true,
   "Static": [
     {
-      "Dir": "./html/",
+      "Dir": "/mnt/hgfs/workspace/2021-07-31-BiukopWeb",
       "StaticUrl": "/",
       "StripPrefix" : "/"
     },

deploy/config_production.json

+{
+  "Host":"0.0.0.0",
+  "Port":"8080",
+  "DSN": "sp:sp@tcp(192.168.1.70:3306)/syd_credit?parseTime=true&loc=Australia%2FSydney&collation=utf8mb4_0900_ai_ci",
+  "TlsCert": "cert/fullchain.pem",
+  "TlsKey": "cert/privkey.pem",
+  "Debug": true,
+  "Static": [
+    {
+      "Dir": "./html/",
+      "StaticUrl": "/",
+      "StripPrefix" : "/"
+    },
+    {
+      "Dir": "./html/test/",
+      "StaticUrl": "/spa1/",
+      "StripPrefix" : "/spa1/"
+    },
+    {
+      "Dir": "./html/test/",
+      "StaticUrl": "/spa2/",
+      "StripPrefix" : "/spa2/"
+    }
+  ],
+  "Session" : {
+    "Guest": true,
+    "Year": 10,
+    "Month": 1,
+    "Day": 1
+  }
+}

deploy/deploy.sh

 mkdir -p /tmp/goweb
 echo "prepare golang project"
 rsync  -a  $PROJ_DIR /tmp/goweb/
-rm -rf /tmp/goweb/html/*
+cp -f $PROJ_DIR/deploy/config_production.json /tmp/goweb/config.json
+rm -rf /tmp/goweb/html/css
+rm -rf /tmp/goweb/html/test
+rm -rf /tmp/goweb/html/*.html
 echo "sync Web html"
 rsync -a /mnt/hgfs/workspace/2021-07-31-BiukopWeb/ /tmp/goweb/html/
 
+
 cd /tmp/goweb
 gcloud app deploy