Moved env variables into function.

src/bot/features/embedCheck.ts

@@ -12,13 +12,13 @@ const composer = new Composer<Context>();
 
 const feature = composer.chatType(["group", "supergroup"]);
 
-const mutationKey = process.env.GRAPHQL_MUTATION_KEY || "";
-
 /**
  * What triggers this feature and adds to the log when it has been triggered.
  * The trigger is anytime an embedded url is detected.
  */
 feature.on("message::url", logHandle("embed-check"), async (ctx: Context) => {
+  const mutationKey = process.env.GRAPHQL_MUTATION_KEY || "";
+
   await urql.mutation(increment, { trigger: true, mutationKey });
 
   if (ctx.chat && ctx.msg) {