some modifications on js code to add the image name in the def file/Dockerfile

js/wicopa.js

@@ -200,6 +200,8 @@ function generate_container() {
         base = document.getElementById("selectedOS").value;
     }
 
+    var filename = document.getElementById("imageNameInput").value;
+
     var manager = document.getElementById("selectedInstaller").value;
 
     var rversion = document.getElementById("selectedR").value;
@@ -258,17 +260,29 @@ function generate_container() {
     if(isSingularity) {
         PREVIEW += "%labels\n";
         PREVIEW += "\tAuthor wicopa\n";
-        PREVIEW += "\tVersion v0.0.1\n";
+        PREVIEW += "\tVersion v0.3.1\n";
         PREVIEW += "\tbuild_date " + current_date + "\n";
+        if(filename) {
+          PREVIEW += "\tImage_name " + filename + "\n";
           PREVIEW += "\n";
-        nrow += 4;
+          nrow += 6;
+        } else {
+          PREVIEW += "\n";
+          nrow += 5;
+        }
     } else {
         PREVIEW += "LABEL Author wicopa\n";
-        PREVIEW += "LABEL Version v0.0.1\n";
+        PREVIEW += "LABEL Version v0.3.1\n";
         PREVIEW += "LABEL build_date " + current_date + "\n";
+        if(filename) {
+          PREVIEW += "LABEL Image_name " + filename + "\n";
+          PREVIEW += "\n";
+          nrow += 5;
+        } else {
           PREVIEW += "\n";
           nrow += 4;
         }
+    }