⚙️ Add ability to build from Dockerfiles directly

cmd/helpers/cli.go

@@ -104,7 +104,7 @@ func ParsePackageStr(p string) (*types.Package, error) {
 		}, nil
 	}
 
-	ver := ">=0"
+	ver := ""
 	cat := ""
 	name := ""
 
@@ -116,6 +116,10 @@ func ParsePackageStr(p string) (*types.Package, error) {
 		cat, name = packageData(p)
 	}
 
+	if (cat != "") && ver == "" {
+		ver = ">=0"
+	}
+
 	return &types.Package{
 		Name:     name,
 		Category: cat,