diff --git a/Dockerfile b/Dockerfile
index 70a6a5d3..e4312423 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -51,8 +51,8 @@ COPY --from=builder /build/resources ./resources
 COPY --from=builder /build/node_modules ./node_modules
 
 HEALTHCHECK --interval=30s --timeout=5s --start-period=5s --retries=3 \
-  CMD wget --no-verbose --tries=1 --spider http://localhost:$PORT/api/v1/status || exit 1
+  CMD wget --no-verbose --tries=1 --spider http://localhost:${PORT:-3000}/api/v1/status || exit 1
 
-EXPOSE $PORT
+EXPOSE ${PORT:-3000}
 
 ENTRYPOINT ["npm", "run", "start"]
\ No newline at end of file