diff --git a/Dockerfile b/Dockerfile
index 768ab4b..1ba01d1 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -28,6 +28,10 @@ COPY . .
 ARG DATABASE_URL
 ENV DATABASE_URL=$DATABASE_URL
 
+# NEXT_PUBLIC_ Variables
+ARG NEXT_PUBLIC_GUEST_EMAIL
+ENV NEXT_PUBLIC_GUEST_EMAIL=$NEXT_PUBLIC_GUEST_EMAIL
+
 # Disable Telemetry & Free Up More RAM for the Build
 ENV NEXT_TELEMETRY_DISABLED=1
 ENV NODE_OPTIONS="--max-old-space-size=4096"