Interacting With Azure Cache for Redis by Using NET

dotnet add package StackExchange.Redis

using System;
using System.Threading.Tasks;
using StackExchange.Redis;

class Program
{
    static async Task Main(string[] args)
    {
        // Replace with your Azure Redis Cache connection string.
        // Do not hard-code this in production—use environment variables or Azure Key Vault.
        string redisConnectionString = "az204rediscache09.redis.cache.windows.net:6380,password=pQtZsgrxbqWwwIp9uh0xHG1gEuDjImDWzAzCaIkfKZU=,ssl=True,abortConnect=False";

        // Establish an asynchronous connection to the Redis server.
        ConnectionMultiplexer redisConnection = await ConnectionMultiplexer.ConnectAsync(redisConnectionString);
        IDatabase db = redisConnection.GetDatabase();

        Console.WriteLine("Welcome to Redis Console App!");
        string key = Guid.NewGuid().ToString();

        Console.WriteLine("Enter the value to store in Redis:");
        string? value = Console.ReadLine();

        // Store the value with a 30-second TTL
        bool wasSet = await db.StringSetAsync(key, value ?? string.Empty, TimeSpan.FromSeconds(30));

        if (wasSet)
        {
            Console.WriteLine($"Value '{value}' has been stored with key: {key} and TTL of 30 seconds.");
        }
        else
        {
            Console.WriteLine("Failed to store the value.");
        }

        // Retrieve the value
        var retrievedValue = await db.StringGetAsync(key);
        Console.WriteLine($"Retrieved value: {retrievedValue}");

        Console.WriteLine("Waiting for 30 seconds to let the key expire...");
        await Task.Delay(TimeSpan.FromSeconds(30));

        // After TTL expires, the key should be gone
        var expiredValue = await db.StringGetAsync(key);
        Console.WriteLine($"Value after expiration: {expiredValue}"); // expected to be empty / nil
    }
}

az204rediscache09.redis.cache.windows.net:6380> keys *
1) "48db0c57-718a-4016-9f77-fda43ee31fbe"
az204rediscache09.redis.cache.windows.net:6380> get 48db0c57-718a-4016-9f77-fda43ee31fbe
"hello-all"
az204rediscache09.redis.cache.windows.net:6380> get 48db0c57-718a-4016-9f77-fda43ee31fbe
(nil)