diff --git a/Dockerfile b/Dockerfile
index 056ad85..0d7bbd3 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,13 +1,7 @@
-FROM node:18
-
+FROM node:alpine
 WORKDIR /usr/src/app
-
 COPY . .
-
 RUN npm install
-
 RUN npm ci
-
 EXPOSE 3000
-
 CMD ["npm", "start"]
diff --git a/docker-compose.yaml b/docker-compose.yml
similarity index 65%
rename from docker-compose.yaml
rename to docker-compose.yml
index 3418d92..646227a 100644
--- a/docker-compose.yaml
+++ b/docker-compose.yml
@@ -5,3 +5,6 @@ services:
     build: .
     container_name: nebula
     restart: unless-stopped
+    ports:
+      # DO NOT CHANGE 3000!
+      - your port here:3000