Updated docker build file

Dockerfile

@@ -1,20 +1,32 @@
-FROM oven/bun:alpine
+FROM oven/bun AS base
 
+FROM base AS deps
 WORKDIR /app
-RUN apk add --no-cache libc6-compat
-COPY package.json bun.lock ./
-RUN bun i --frozen-lockfile
+COPY package.json bun.lock* ./
+RUN bun i --no-save --frozen-lockfile
+
+FROM base AS builder
+WORKDIR /app
+COPY --from=deps /app/node_modules ./node_modules
 COPY . .
 ENV NEXT_TELEMETRY_DISABLED=1
-ENV NODE_ENV=production
 ENV DOCKER=1
 RUN bun run build
 
-RUN addgroup --system --gid 1001 nodejs && adduser --system --uid 1001 nextjs && chown -R nextjs:nodejs .
+FROM base AS runner
+WORKDIR /app
+
+ENV NEXT_TELEMETRY_DISABLED=1
+ENV NODE_ENV=production \
+    PORT=3000 \
+    HOSTNAME="0.0.0.0"
+RUN addgroup --system --gid 1001 nodejs && adduser --system --uid 1001 nextjs
+
+# COPY --from=builder /app/public ./public
+COPY --from=builder --chown=nextjs:nodejs /app/.next/standalone ./
+COPY --from=builder --chown=nextjs:nodejs /app/.next/static ./.next/static
 
 USER nextjs
 EXPOSE 3000
-ENV PORT=3000
-ENV HOSTNAME="0.0.0.0"
 
-CMD ["bun", "start"]
+CMD ["bun", "./server.js"]