参考资料

• PostgreSQL: https://www.postgresql.org/
• pgvector: https://github.com/pgvector/pgvector
• pg_jieba: https://github.com/jaiminpan/pg_jieba
• pgmq: https://github.com/tembo-io/pgmq
• stunnel: https://www.stunnel.org/
• Caddy: https://caddyserver.com/
• Certbot: https://certbot.eff.org/