various fixes

dockerfile

@@ -1,4 +1,4 @@
-FROM node:latest
+FROM oven/bun:latest
 WORKDIR /app
 
 COPY ./index.html .
@@ -6,8 +6,8 @@ COPY ./main.js .
 COPY ./backend.js .
 COPY ./package.json ./package-lock.json .
 
-RUN npm ci --only=production
+RUN bun install
 
 EXPOSE 3000
-CMD ["npm" "backend.js"]
+CMD ["npm", "backend.js"]