Self-hosting FastGPT for an AI support bot: three install pitfalls to avoid

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A developer documented installing FastGPT v4.15, an open-source knowledge-base chatbot, on a fresh Linux server using Docker. The MinIO image failed to pull from Docker Hub because its public images are no longer available, and the workaround was to use the matching version from FastGPT's own mirror. The CSV FAQ import also requires a third indexes column, and an embedding model is needed in addition to a chat model. The author further warns that Docker can bypass ufw firewall rules, recommending binding ports to 127.0.0.1 behind a reverse proxy, and estimates about 2.1 GB of idle memory, so 4 GB of RAM is advisable.

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