wcs/WCS/Controllers/RedisController.cs

using Microsoft.AspNetCore.Mvc;
using StackExchange.Redis;
using System.Collections.Generic;
using System.Threading.Tasks;

[ApiController]
[Route("api/[controller]")]
public class RedisController : ControllerBase
{
    private readonly IConnectionMultiplexer _redis;

    public RedisController(IConnectionMultiplexer redis)
    {
        _redis = redis;
    }

    [HttpGet("{key}")]
    public async Task<ActionResult<string>> Get(string key)
    {
        var db = _redis.GetDatabase();
        var value = await db.StringGetAsync(key);
        if (value.IsNullOrEmpty)
        {
            return NotFound();
        }
        return Ok(value.ToString());
    }

    [HttpPost]
    public async Task<IActionResult> Post([FromBody] KeyValuePair<string, string> data)
    {
        var db = _redis.GetDatabase();
        await db.StringSetAsync(data.Key, data.Value);
        return Ok();
    }
}