CoreConsoleApp

.NET Core Console App with DI Logging Sample Remix

• Super simple .NET Console app using DI, Serilog and Json Settings
• Without using generic host even though many samples are using it

Setup

cd CoreConsoleApp
dotnet new sln -n BetterConsoleApp
dotnet new console -n ConsoleUI
dotnet sln BetterConsoleApp.sln add **/*.csproj

cd ConsoleUI
dotnet add package Microsoft.CodeAnalysis.FxCopAnalyzers
# NOTE: no need to add Hosting
# dotnet add package Microsoft.Extensions.Hosting
# dotnet add package Serilog.Extensions.Hosting
dotnet add package Microsoft.Extensions.Configuration.EnvironmentVariables
dotnet add package Microsoft.Extensions.Configuration.Json
dotnet add package Microsoft.Extensions.DependencyInjection
dotnet add package Serilog.Extensions.Logging
dotnet add package Serilog.Settings.Configuration
dotnet add package Serilog.Sinks.Console

touch appsettings.json
# add CopyToOutputDirectory Always in .csproj

Run

cd ConsoleUI
dotnet restore
dotnet build
dotnet run

Output

[15:00:01 INF] Application Starting
[15:00:01 INF] Greet number 0
[15:00:01 INF] Greet number 1
[15:00:01 INF] Greet number 2
[15:00:01 INF] Greet number 3
[15:00:01 INF] Greet number 4

Reference

• .NET Core Console App with Dependency Injection, Logging, and Settings
  • NOTE: this video is using generic host but it is not necessary
    • generic host is to create server/service program running in background
    • i.e. normal batch will not need generic host
  • https://www.youtube.com/watch?v=GAOCe-2nXqc
• .Net Core の Generic Host とは何か
  • https://qiita.com/kitauji/items/a7c6a7d33c9f67c79336
• Microsoft.Extensions.DependencyInjection を使った DI の基本
  • https://qiita.com/TsuyoshiUshio@github/items/20412b36fe63f05671c9