Added Docker

Dockerfile

@@ -1,12 +1,12 @@
 FROM node:20-alpine
 
-WORKDIR /usr/src/app
+WORKDIR /app
 
-RUN apk add --no-cache git bash
+COPY package*.json ./
+RUN npm install
+COPY . .
 
-COPY entrypoint.sh /usr/src/app/entrypoint.sh
-RUN chmod +x /usr/src/app/entrypoint.sh
+COPY entrypoint.sh /app/entrypoint.sh
+RUN chmod +x /app/entrypoint.sh
 
-EXPOSE 3000
-
-ENTRYPOINT ["/usr/src/app/entrypoint.sh"]
+EXPOSE 1337