Refine Docker Compose publishing: env file naming, log verbosity, and status messages (#12580)

* Initial plan

* Address PR feedback: Update env file naming, reduce log verbosity, and enhance success message

Co-authored-by: captainsafia <[email protected]>

* Fix log verbosity: Move completion message to Debug level instead of task creation

Co-authored-by: captainsafia <[email protected]>

---------

Co-authored-by: copilot-swe-agent[bot] <[email protected]>
Co-authored-by: captainsafia <[email protected]>

Author: Copilot

src/Aspire.Hosting.Docker/DockerComposeEnvironmentResource.cs

@@ -252,7 +252,7 @@ private async Task DockerComposeUpAsync(PipelineStepContext context)
                     }
                     else
                     {
-                        await deployTask.CompleteAsync($"Docker Compose deployment complete for **{Name}**", CompletionState.Completed, context.CancellationToken).ConfigureAwait(false);
+                        await deployTask.CompleteAsync($"Service **{Name}** is now running with Docker Compose locally", CompletionState.Completed, context.CancellationToken).ConfigureAwait(false);
                     }
                 }
             }
@@ -364,7 +364,7 @@ private string GetEnvFilePath(PipelineStepContext context)
         var outputPath = PublishingContextUtils.GetEnvironmentOutputPath(context, this);
         var hostEnvironment = context.Services.GetService<Microsoft.Extensions.Hosting.IHostEnvironment>();
         var environmentName = hostEnvironment?.EnvironmentName ?? Name;
-        var envFilePath = Path.Combine(outputPath, $"{environmentName}.env");
+        var envFilePath = Path.Combine(outputPath, $".env.{environmentName}");
         return envFilePath;
     }
 }

src/Aspire.Hosting.Docker/DockerComposePublisherLoggerExtensions.cs

@@ -25,7 +25,7 @@ internal static partial class DockerComposePublisherLoggerExtensions
     [LoggerMessage(LogLevel.Information, "No resources found in the model.")]
     internal static partial void EmptyModel(this ILogger logger);
 
-    [LoggerMessage(LogLevel.Information, "Successfully generated Compose output in '{OutputPath}'")]
+    [LoggerMessage(LogLevel.Debug, "Successfully generated Compose output in '{OutputPath}'")]
     internal static partial void FinishGeneratingDockerCompose(this ILogger logger, string outputPath);
 
     [LoggerMessage(LogLevel.Warning, "Failed to get container image for resource '{ResourceName}', it will be skipped in the output.")]

tests/Aspire.Hosting.Docker.Tests/DockerComposePublisherTests.cs

@@ -520,7 +520,7 @@ public async Task PrepareStep_GeneratesCorrectEnvFileWithDefaultEnvironmentName(
         var app = builder.Build();
         app.Run();
 
-        var envFileContent = await File.ReadAllTextAsync(Path.Combine(tempDir.Path, "Production.env"));
+        var envFileContent = await File.ReadAllTextAsync(Path.Combine(tempDir.Path, ".env.Production"));
         await Verify(envFileContent, "env")
             .UseParameters("default-environment");
     }
@@ -549,7 +549,7 @@ public async Task PrepareStep_GeneratesCorrectEnvFileWithCustomEnvironmentName()
         app.Run();
 
         // Verify that the env file is created with the custom environment name
-        var envFilePath = Path.Combine(tempDir.Path, "Staging.env");
+        var envFilePath = Path.Combine(tempDir.Path, ".env.Staging");
         Assert.True(File.Exists(envFilePath), $"Expected env file at {envFilePath}");
 
         var envFileContent = await File.ReadAllTextAsync(envFilePath);
@@ -583,7 +583,7 @@ public async Task PrepareStep_GeneratesEnvFileWithVariousParameterTypes()
         var app = builder.Build();
         app.Run();
 
-        var envFileContent = await File.ReadAllTextAsync(Path.Combine(tempDir.Path, "Production.env"));
+        var envFileContent = await File.ReadAllTextAsync(Path.Combine(tempDir.Path, ".env.Production"));
         await Verify(envFileContent, "env")
             .UseParameters("various-parameters");
     }