fix(Docker): Fixed the DockerContainerPlatform to pull images by tag instead of always fetching latest

Signed-off-by: Charles d'Avernas <[email protected]>

Author: cdavernas

src/core/Synapse.Core.Infrastructure.Containers.Docker/DockerContainerPlatform.cs

@@ -83,7 +83,10 @@ public virtual async Task<IContainer> CreateAsync(ContainerProcessDefinition def
         catch (DockerApiException ex) when (ex.StatusCode == HttpStatusCode.NotFound)
         {
             var downloadProgress = new Progress<JSONMessage>();
-            await this.DockerClient.Images.CreateImageAsync(new() { FromImage = definition.Image }, new(), downloadProgress, cancellationToken).ConfigureAwait(false);
+            var imageComponents = definition.Image.Split(':');
+            var imageName = imageComponents[0];
+            var imageTag = imageComponents.Length > 1 ? imageComponents[1] : null;
+            await this.DockerClient.Images.CreateImageAsync(new() { FromImage = imageName, Tag = imageTag }, new(), downloadProgress, cancellationToken).ConfigureAwait(false);
         }
         var parameters = new CreateContainerParameters()
         {