How do I set the OnConfiguring method in my DbContext without any hardcoded connection string?

A relational store has been configured without specifying either the DbConnection or connection string to use

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ASP.NET 5 Console Application (package) - How to create DBContext from connection string?

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Migrations in separate assembly how to avoid hardcoded connection string?

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IBM.EntityFrameworkCore - DbContext.OnConfiguring and DbContext.OnModelCreating aren't called

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What are expected results when optionsBuilder is defined in both DbContext.OnConfiguring and AspCore Startup.ConfigureServices?

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'SchoolContext.OnConfiguring(DbContextOptionsBuilder)': no suitable method found to override

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How to change registered (Simple Injector) DbContext's connection string after user's authorization?

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Adding connection string to DBContext (NpgSQL, Dependency Injection, .NET Core)

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How to use AddDbContextPool if all configuration in OnConfiguring method of DbContext

Not addition to its dubious advantages (documented as ...offers the benefit of reducing some of the expense associated with creating a DbContext object....), the ...Pooling DbContext... is inapplicable in your situation since your context includes ...state... that EF Core is ignorant of:...private readonly DatabaseSettings _databaseOptions; ...and ...

EF Core2.2: Scaffold-DbContext not working with named connection string in WPF project

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