Amazon Elastic Beanstalk Application Settings

AmazonConfigurationProvider.cs

using Microsoft.Extensions.Configuration;
using Newtonsoft.Json.Linq;
using System.IO;
using System.Linq;

namespace ExampleProject
{
    public class AmazonConfigurationProvider : ConfigurationProvider
    {
        private const string ConfigurationFilename = @"C:\Program Files\Amazon\ElasticBeanstalk\config\containerconfiguration";

        public override void Load()
        {
            if (!File.Exists(ConfigurationFilename))
                return;

            string configJson;
            try
            {
                configJson = File.ReadAllText(ConfigurationFilename);
            }
            catch
            {
                return;
            }

            var config = JObject.Parse(configJson);
            var env = (JArray)config["iis"]["env"];

            if (env.Count == 0)
                return;

            foreach (var item in env.Select(i => (string)i))
            {
                int eqIndex = item.IndexOf('=');
                Data[item.Substring(0, eqIndex)] = item.Substring(eqIndex + 1);
            }
        }
    }

    public class AmazonEBConfigurationSource : IConfigurationSource
    {
        public IConfigurationProvider Build(IConfigurationBuilder builder)
        {
            return new AmazonConfigurationProvider();
        }
    }

    public static class AmazonEBExtensions
    {
        public static IConfigurationBuilder AddAmazonElasticBeanstalk(this IConfigurationBuilder configurationBuilder)
        {
            configurationBuilder.Add(new AmazonEBConfigurationSource());
            return configurationBuilder;
        }
    }
}

ApplicationSettings

using Microsoft.Extensions.Configuration;
using PromoCode.Model;
using System;
using System.IO;

namespace ExampleProject
{
    public static class ApplicationSettings
    {
        public static IConfigurationRoot Configuration { get; private set; }

        public static string SolutionDirectory =
#if DEBUG
            $"{Directory.GetParent(Directory.GetParent(AppDomain.CurrentDomain.BaseDirectory.Substring(0, AppContext.BaseDirectory.LastIndexOf("bin"))).ToString())}\\PromoCode.Services\\";
#else
            AppDomain.CurrentDomain.BaseDirectory;
#endif

        static ApplicationSettings()
        {
            Build();
        }

        public static void Build()
        {
            var filePath = $"{SolutionDirectory}";
            //var environmentName = "Release";

            var builder = new ConfigurationBuilder()
                .SetBasePath(filePath)
                .AddJsonFile("appsettings.json", optional: true, reloadOnChange: true)
                //.AddJsonFile($"appsettings.{environmentName}.json", optional: true)
                .AddAmazonElasticBeanstalk()
                .AddEnvironmentVariables();

            Configuration = builder.Build();
        }
    }
}