Adding empty Dockerfile

.idea/workspace.xml

 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="ChangeListManager">
-    <list default="true" id="d9cecc44-3001-4c5b-a72e-16df32873bd9" name="Default" comment="">
-      <change type="NEW" beforePath="" afterPath="$PROJECT_DIR$/Procfile" />
-      <change type="MODIFICATION" beforePath="$PROJECT_DIR$/.idea/workspace.xml" afterPath="$PROJECT_DIR$/.idea/workspace.xml" />
-    </list>
+    <list default="true" id="d9cecc44-3001-4c5b-a72e-16df32873bd9" name="Default" comment="" />
     <ignored path="friendfinder.iws" />
     <ignored path=".idea/workspace.xml" />
     <option name="TRACKING_ENABLED" value="true" />
@@ -243,7 +240,7 @@
     </panes>
   </component>
   <component name="PropertiesComponent">
-    <property name="options.lastSelected" value="project.propVCSSupport.Mappings" />
+    <property name="options.lastSelected" value="com.jetbrains.python.configuration.PyActiveSdkModuleConfigurable" />
     <property name="options.splitter.main.proportions" value="0.3" />
     <property name="options.splitter.details.proportions" value="0.2" />
     <property name="options.searchVisible" value="true" />

key

-7200b4f16e818cd2b13dbbff24a871b97992c17f