add back docker file

Dockerfile

@@ -0,0 +1,49 @@
+# syntax=docker/dockerfile:1.4
+
+FROM oven/bun:1 AS base
+
+# Install dependencies only when needed
+FROM base AS deps
+WORKDIR /app
+
+# Install dependencies based on the preferred package manager
+COPY --link package.json bun.lockb* ./
+RUN bun install --frozen-lockfile
+
+# Rebuild the source code only when needed
+FROM base AS builder
+WORKDIR /app
+COPY --from=deps --link /app/node_modules ./node_modules
+COPY --link  . .
+
+# Next.js collects completely anonymous telemetry data about general usage.
+# Uncomment the following line in case you want to disable telemetry during the build.
+# ENV NEXT_TELEMETRY_DISABLED 1
+
+RUN bun run build
+
+# Production image, copy all the files and run next
+FROM base AS runner
+WORKDIR /app
+
+ENV NODE_ENV production
+# Uncomment the following line in case you want to disable telemetry during runtime.
+# ENV NEXT_TELEMETRY_DISABLED 1
+
+RUN \
+    addgroup --system --gid 1001 nodejs; \
+    adduser --system --uid 1001 nextjs
+
+COPY --from=builder --link /app/public ./public
+
+# Automatically leverage output traces to reduce image size
+COPY --from=builder --link --chown=1001:1001 /app/.next/standalone ./
+COPY --from=builder --link --chown=1001:1001 /app/.next/static ./.next/static
+
+USER nextjs
+
+EXPOSE 3000
+
+ENV PORT 3000
+ENV HOSTNAME 0.0.0.0
+CMD ["bun", "run", "server.js"]