diff --git a/Dockerfile b/Dockerfile
index 449fd746..1f3f575e 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1 +1,4 @@
-FROM scratch
\ No newline at end of file
+FROM drydock-prod.workiva.net/workiva/dart2_base_image:2
+ADD pubspec.yaml pubspec.yaml
+RUN dart pub get
+FROM scratch
diff --git a/lib/src/symbol_generator.dart b/lib/src/symbol_generator.dart
index a57f4b32..9aaf1bca 100644
--- a/lib/src/symbol_generator.dart
+++ b/lib/src/symbol_generator.dart
@@ -17,7 +17,7 @@ class SymbolGenerator {
   /// that should be used for the element. If no element is found,
   /// [_localElementIndex] should be used to generate one.
   ///
-  /// Use []
+  /// Use [_localSymbolFor] to generate new local symbols
   Map<Element, String> _localElementRegistry = {};
 
   SymbolGenerator(this._packageConfig, this._pubspec);
@@ -47,7 +47,7 @@ class SymbolGenerator {
     return [
       'scip-dart',
       _getPackage(element),
-      _getDescriptor(element),
+      descriptor,
     ].join(' ');
   }
 
diff --git a/lib/symbol_generator.dart b/lib/symbol_generator.dart
new file mode 100644
index 00000000..ccaa27fd
--- /dev/null
+++ b/lib/symbol_generator.dart
@@ -0,0 +1 @@
+export 'src/symbol_generator.dart' show SymbolGenerator;