install dog_on_a_dock err

[tuanthanh-02]

I build follow in doc but have err below:
=> ERROR [compile 7/12] COPY config/sys.config.src config/sys.config.src 0.0s

[compile 7/12] COPY config/sys.config.src config/sys.config.src:

---

Dockerfile.local_deploy:45

43 | COPY config config/
44 | RUN mkdir -p /etc/dog_trainer
45 | >>> COPY config/sys.config.src config/sys.config.src
46 | COPY include include/
47 | COPY scripts scripts/

ERROR: failed to solve: failed to compute cache key: failed to calculate checksum of ref 270af167-4ade-4acb-8d40-25aa6e1f45a4::xq1lg34na8j9f8h3tx46l321t: "/config/sys.config.src": not found
can anyone help me?