Configuration Asp.NetCore (programming.dev)

submitted 3 years ago by Fractal@programming.dev to c/csharp@programming.dev

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Hi all! Trying to work with small pet project for myself. So I use few asp net core apps + db in docker and docker compose. And I little confuse about storing configuration (like for logging or db connection etc). Where is best place to store it? Continue use app.json or move .env files (enviroments variables)

I guess .env files more easy to configure f.e. on CI\CD So whatis a better?

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[-] magbeat@programming.dev 6 points 3 years ago

As @nibblebit@programming.dev said you can use multiple configuration providers. We usually have local appsettings.json files, even per machine appsettings.<HOSTNAME>.json and then use Environment Variables that are stored in a vault for the production environment. We add the appsettings.<HOSTNAME>.json files to .gitignore so that they don't get checked in.

    var env = Environment.GetEnvironmentVariable("ASPNETCORE_ENVIRONMENT");
    configuration.AddJsonFile($"appsettings.{env}.json", optional: true, reloadOnChange: true);
    configuration.AddJsonFile($"appsettings.{Environment.MachineName}.json", optional: true, reloadOnChange: true);
    configuration.AddEnvironmentVariables();

Then you can provide the secrets as environment variables in the form of DATA__ConnectionString