network traefik-public declared as external, but could not be found

FastAPIのfull-stack-fastapi-templateをForkしてdocker-compose upしたときに出たエラー

network traefik-public declared as external, but could not be found

ターミナルで以下のコマンドを実行したら解決した。

docker network create traefik-public

参考
https://stackoverflow.com/questions/70307460/error-in-docker-network-path-declared-as-external-but-could-not-be-found

https://zenn.dev/spyc/articles/2e1aa7d3f35d6c

https://doroidpanic.com/docker-compose-up-dでエラー（network-ネットワーク名-declared-as-external-but-could-not-be-found）/