Using Postgres on Docker with EF7 and ASP.NET 5

ApplicationDbContext.cs

namespace App {

	using Microsoft.AspNet.Identity.EntityFramework;
	using Microsoft.Data.Entity;


	public class ApplicationDbContext : IdentityDbContext {

		protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder) {

			// ToDo: Obtain these values from the environment, rather than hard-coding them.
			optionsBuilder.UseNpgsql("Server=aspnet;Database=aspnet;Username=aspnet;Password=aspnet;");

		}

	}

}

local-development.yml

database:
  container_name: database
  image: postgres

  environment:
    POSTGRES_USER: aspnet
    POSTGRES_PASSWORD: aspnet
    POSTGRES_DB: aspnet

  ports:
    - "5432:5432"

project.json

	"dependencies": {
		
		"EntityFramework7.Npgsql": "3.1.0-rc1-3",
		"EntityFramework.Commands": "7.0.0-rc1-final"

	},

	"commands": {
		"ef": "EntityFramework.Commands",
	},

Startup.cs

		public void ConfigureServices(IServiceCollection services) {

			services
				.AddEntityFramework()
				.AddNpgsql()
			;

			services
				.AddIdentity<User, Role>()
				.AddEntityFrameworkStores<ApplicationDbContext>()
			;

		}