using Serilog;
// use BSON structured logs
var log = new LoggerConfiguration()
    .WriteTo.MongoDBBson("mongodb://mymongodb/logs")
    .CreateLogger();
log.Information("This is a test log message");

// capped collection using BSON structured logs
var log = new LoggerConfiguration()
    .WriteTo.MongoDBBson("mongodb://mymongodb/logs", cfg =>
    {
        // optional configuration options:
        cfg.SetCollectionName("log");
        cfg.SetBatchPeriod(TimeSpan.FromSeconds(1));
        // create capped collection that is max 100mb
        cfg.SetCreateCappedCollection(100);
    })
    .CreateLogger();

// create sink instance with custom mongodb settings.
var log = new LoggerConfiguration()
	.WriteTo.MongoDBBson(cfg =>
    {
		// custom MongoDb configuration
		var mongoDbSettings = new MongoClientSettings
		{
			UseTls = true,			
			AllowInsecureTls = true,
			Credential = MongoCredential.CreateCredential("databaseName", "username", "password"),
			Server = new MongoServerAddress("127.0.0.1")
		};
		var mongoDbInstance = new MongoClient(mongoDbSettings).GetDatabase("serilog");
		
		// sink will use the IMongoDatabase instance provided
		cfg.SetMongoDatabase(mongoDbInstance);
		cfg.SetRollingInternal(RollingInterval.Month);
    })
	.CreateLogger();