Add production Dockerfile for Dokploy deploy

Dockerfile

@@ -0,0 +1,27 @@
+FROM node:22-bookworm-slim AS deps
+
+WORKDIR /app
+
+RUN corepack enable
+
+COPY package.json pnpm-lock.yaml ./
+RUN pnpm install --frozen-lockfile
+
+FROM deps AS build
+
+COPY . .
+RUN pnpm build
+
+FROM node:22-bookworm-slim AS runtime
+
+WORKDIR /app
+
+ENV NODE_ENV=production
+ENV NITRO_HOST=0.0.0.0
+ENV PORT=3000
+
+COPY --from=build /app/.output ./.output
+
+EXPOSE 3000
+
+CMD ["node", ".output/server/index.mjs"]