diff --git a/Dockerfile b/Dockerfile
index 3f1cea5..6617587 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -17,7 +17,7 @@ ENV NEXT_TELEMETRY_DISABLED 1
 ARG GIT_REV
 ENV GIT_REV ${GIT_REV}
 
-RUN echo "redis url: ${REDIS_URL}"
+RUN echo "redis url: $REDIS_URL"
 
 # Build the app
 RUN pnpm run build
diff --git a/src/db/redis.ts b/src/db/redis.ts
index d2dee72..295c60e 100644
--- a/src/db/redis.ts
+++ b/src/db/redis.ts
@@ -20,8 +20,6 @@ async function connectRedis(): Promise<any> {
   return client;
 }
 
-// todo: add disconnect handler
-
 export const Redis = {
   client: redisClient,
   connectRedis,