Update dockerfile

dockerfile

@@ -1,17 +1,21 @@
 # ─────────────────────────────────────────────────────────────────────────────
-# Option B: Use Node image and install Bun via npm
+# Option A: Use the official Bun image
 # ─────────────────────────────────────────────────────────────────────────────
-FROM node:18
+FROM jarredsumner/bun:latest
 
+# set working directory
 WORKDIR /app
 
-# install bun
-RUN npm install -g bun
-
-COPY bun.lockb components.json ./
+# copy lockfile and install deps
+COPY bun.lockb .
+COPY components.json .
 RUN bun install
 
+# copy rest of the source
 COPY . .
 
+# expose the port your app listens on
 EXPOSE 3000
+
+# start the app (adjust if your start script is different)
 CMD ["bun", "run", "start"]