Add a dockerfile to the benchmarks directory

benchmarks/Dockerfile

@@ -0,0 +1,14 @@
+FROM denoland/deno:alpine-1.26.2
+
+WORKDIR /app
+
+USER deno
+
+ADD ./main.ts .
+RUN deno cache --unstable main.ts
+ADD ./worker.ts .
+RUN deno cache --unstable worker.ts
+ADD ./scraper.ts .
+RUN deno cache --unstable scraper.ts
+
+ENTRYPOINT [ "/tini", "--", "docker-entrypoint.sh", "run", "--unstable", "-A", "main.ts" ]