Inboxintel/src/InboxIntel.Infrastructure/Persistence/AppDbContextFactory.cs

using Microsoft.EntityFrameworkCore;
using Microsoft.EntityFrameworkCore.Design;

namespace InboxIntel.Infrastructure.Persistence;

/// <summary>
/// Design-time factory so `dotnet ef migrations add ...` works without booting
/// the full API host. Reads the connection string from the EF_CONNECTION env
/// var, falling back to a local default.
/// </summary>
public class AppDbContextFactory : IDesignTimeDbContextFactory<AppDbContext>
{
    public AppDbContext CreateDbContext(string[] args)
    {
        var conn = Environment.GetEnvironmentVariable("EF_CONNECTION")
                   ?? "Host=localhost;Port=5432;Database=inboxintel;Username=inboxintel;Password=inboxintel";
        var options = new DbContextOptionsBuilder<AppDbContext>()
            .UseNpgsql(conn, o => o.UseVector())
            .Options;
        return new AppDbContext(options);
    }
}