chore: update project structure with contracts and services for CaddyManager, including configuration and Docker integration

CaddyManager.Services/Docker/DockerService.cs

@@ -0,0 +1,48 @@
+using Docker.DotNet;
+using Docker.DotNet.Models;
+using CaddyManager.Contracts.Configurations.Docker;
+using CaddyManager.Contracts.Configurations;
+using CaddyManager.Contracts.Docker;
+
+namespace CaddyManager.Services.Docker;
+
+/// <inheritdoc />
+public class DockerService(IConfigurationsService configurationsService) : IDockerService
+{
+    private DockerServiceConfiguration Configuration => configurationsService.Get<DockerServiceConfiguration>();
+
+    /// <summary>
+    /// Method to get the container id of the Caddy container by the name configured
+    /// </summary>
+    /// <returns></returns>
+    private async Task<string> GetCaddyContainerId()
+    {
+        var client = new DockerClientConfiguration(new Uri(Configuration.DockerHostWithEnvCheck)).CreateClient();
+
+        if (client == null) return string.Empty;
+        
+        var containers = await client.Containers.ListContainersAsync(new ContainersListParameters
+        {
+            All = true
+        });
+
+        return containers.FirstOrDefault(container => container.Names.Contains($"/{Configuration.CaddyContainerName}"))
+            ?.ID ?? string.Empty;
+
+    }
+    
+    /// <inheritdoc />
+    public async Task RestartCaddyContainerAsync()
+    {
+        var containerId = await GetCaddyContainerId();
+        
+        if (string.IsNullOrEmpty(containerId)) return;
+        
+        var client = new DockerClientConfiguration(new Uri(Configuration.DockerHostWithEnvCheck)).CreateClient();
+
+        if (client != null)
+        {
+            await client.Containers.RestartContainerAsync(containerId, new ContainerRestartParameters());
+        }
+    }
+}