升级到1.13.0之后不能找到db,估计db没有起来,但是不知道如何修改

[frankghe1977]

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[root@hdss1-232 docker]# docker logs docker-api-1 --follow
Running migrations
Warning! You didn't set docs_url, redoc_url or openapi_url.
API Documentation will be skipped.
Preparing database migration...
Starting database migration.
Database migration failed: (psycopg2.OperationalError) could not translate host name "db" to address: Name or service not known

(Background on this error at: https://sqlalche.me/e/20/e3q8)

[dosubot[bot]]

这是一个已知的问题。在 v1.13.0 版本中，PostgreSQL 容器名从 db 改为了 db_postgres，以支持多种数据库类型。

解决方法：

1. 修改 .env 文件中的 DB_HOST：

DB_HOST=db_postgres

2. 确保添加以下环境变量：

DB_TYPE=postgresql
COMPOSE_PROFILES=${VECTOR_STORE:-weaviate},${DB_TYPE:-postgresql}
DB_USERNAME=postgres
DB_PASSWORD=difyai123456
DB_DATABASE=dify

3. 重启容器：

docker compose down
docker compose --profile postgresql up -d

详细信息请参考这个 issue: Database migration failed: (psycopg2.OperationalError)

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