added Docker

Dockerfile

@@ -0,0 +1,69 @@
+# syntax=docker/dockerfile:1.4
+
+# Adapted from https://github.com/vercel/next.js/blob/e60a1e747c3f521fc24dfd9ee2989e13afeb0a9b/examples/with-docker/Dockerfile
+# For more information, see https://nextjs.org/docs/pages/building-your-application/deploying#docker-image
+
+FROM node:18 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 yarn.lock* package-lock.json* pnpm-lock.yaml* ./
+RUN \
+  if [ -f yarn.lock ]; then yarn --frozen-lockfile; \
+  elif [ -f package-lock.json ]; then npm ci; \
+  elif [ -f pnpm-lock.yaml ]; then yarn global add pnpm && pnpm i --frozen-lockfile; \
+  else echo "Lockfile not found." && exit 1; \
+  fi
+
+
+# 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.
+# Learn more here: https://nextjs.org/telemetry
+# Uncomment the following line in case you want to disable telemetry during the build.
+# ENV NEXT_TELEMETRY_DISABLED 1
+
+RUN npm run build
+
+# If using yarn comment out above and use below instead
+# RUN yarn 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
+# https://nextjs.org/docs/advanced-features/output-file-tracing
+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
+
+# Allow the running process to write model files to the cache folder.
+# NOTE: In practice, you would probably want to pre-download the model files to avoid having to download them on-the-fly.
+RUN mkdir -p /app/node_modules/@xenova/.cache/
+RUN chmod 777 -R /app/node_modules/@xenova/
+
+CMD ["node", "server.js"]