diff --git a/Docker/Dockerfile b/Docker/Dockerfile
index 89fdffc..210ab8e 100644
--- a/Docker/Dockerfile
+++ b/Docker/Dockerfile
@@ -1,4 +1,7 @@
 FROM node:14-alpine
+
+ENV PORT=3000
+
 RUN apk update
 RUN apk add git
 RUN apk add maven
@@ -12,5 +15,4 @@ RUN cd /Lindi-Bracelets/Back-End && mvn -q package
 WORKDIR /Lindi-Bracelets/Back-End/target
 
 ENTRYPOINT java -jar Server-2.0-jar-with-dependencies.jar
-EXPOSE 443
-EXPOSE 80
\ No newline at end of file
+EXPOSE 3000
\ No newline at end of file