如何基於具有實體框架的現有 DbContext 為 Docker 圖像創建 SQL 服務器數據庫方案？

Question

Started working with Docker images recently, and my main problem is that while my docker-compose can spin up the api, and the database I need, what it lacks is the actual scheme of the database that the entities within my API project look for when getting data .

所以我已經有一個DbContext ，所有的實體，我就是無法弄清楚如何根據我的 API 項目中已經存在的上下文在 SQL 服務器映像中構建數據庫。

docker-compose文件供參考：

networks:
  event_localhost:
services:
  api:
    build:
      context: ..
      dockerfile: .docker/Dockerfile
    image: spc-eventapi
    depends_on:
      - db
    ports:
      - 8000:80
    networks:
      - event_localhost
    environment:
      ConnectionStrings__EventDb: 'Server=db,1433;Database=master;User Id=sa;Password=Pass@word;'
  db:
    image: mcr.microsoft.com/mssql/server
    networks:
      - event_localhost
    environment:
      SA_PASSWORD: 'Pass@word'
      ACCEPT_EULA: "Y"
    ports:
      - "1433:1433"
version: '3.9'

上下文和實體： https://github.com/SantaPoneCentralDev/santaPonecentral/tree/Docker/SPC-2021/api/event/event/Event.Data/Entities

Answer 1

有效的修復是使用實體框架允許的功能，being.EnsureCreated()

將以下代碼行添加到 Startup 中的 Configure 方法會在容器中創建架構和數據庫（如果尚不存在）

            // Ensures DB is created against container
            IServiceScopeFactory serviceScopeFactory = app.ApplicationServices.GetRequiredService<IServiceScopeFactory>();
            using IServiceScope serviceScope = serviceScopeFactory.CreateScope();
            SantaPoneCentralDatabaseContext dbContext = serviceScope.ServiceProvider.GetService<SantaPoneCentralDatabaseContext>();
            dbContext.Database.EnsureCreated();