Example MongoDB connection

CreateSilo.cs

        static ISiloHost CreateSilo() {
            var builder = new SiloHostBuilder()
                .Configure(options => options.ClusterId = NDGConfig.ClusterId)
                .Configure<ProcessExitHandlingOptions>(options => options.FastKillOnProcessExit = false)
                .ConfigureSiloName(NDGConfig.ClusterId + "-" + NDGConfig.SiloHostName)
                .ConfigureEndpoints(advertisedIP: NDGConfig.SiloIP, siloPort: NDGConfig.SiloPort, gatewayPort: NDGConfig.GatewayPort, listenOnAllHostAddresses: true)
                .ConfigureLogging(b => b.SetMinimumLevel(LogLevel.Error).AddConsole())
                .UseDashboard(options => {
                    options.Port = NDGConfig.SiloDashboardPort;
                    options.Username = NDGConfig.SiloDashboardUsername;
                    options.Password = NDGConfig.SiloDashboardPassword;
                })
                .UseMongoDBReminders(options => {
                    options.ConnectionString = NDGConfig.MongoDBConnectionString;
                    options.DatabaseName = NDGConfig.ClusterId + "-Reminders";
                })
                .UseMongoDBClustering(options => {
                    options.ConnectionString = NDGConfig.MongoDBConnectionString;
                    options.DatabaseName = NDGConfig.ClusterId + "-Clustering";
                });

            MongoDBSiloExtensions.AddMongoDBGrainStorageAsDefault(builder, options => {
                options.ConnectionString = NDGConfig.MongoDBConnectionString;
                options.DatabaseName = NDGConfig.ClusterId + "-Storage";
            });
            MongoDBSiloExtensions.AddMongoDBGrainStorage(builder, "PubSubStore", options => {
                options.ConnectionString = NDGConfig.MongoDBConnectionString;
                options.DatabaseName = NDGConfig.ClusterId + "-PubSubStorage";
            });

            return builder.Build();
        }

docker-configuration.yml

version: '3'

services:
  mysilo:
    image: mysilo
    links:
     - mongo
    depends_on:
     - mongo
    build:
      context: .
      dockerfile: MySilo/Dockerfile
    environment:
     - MONGODB_CONNECTION_STRING=mongodb://mongo:27017

  mongo-express:
    image: mongo-express
    hostname: mongo-express
    depends_on:
     - mongo
    links:
     - mongo
    ports:
     - 8081:8081

  mongo:
    image: mongo
    hostname: mongo