feat: finalise recipe lint command

cli/recipe/recipe.go

@@ -166,22 +166,31 @@ var recipeLintCommand = &cli.Command{
 		}
 
 		opts := options.Deploy{Composefiles: composeFiles}
-		config, err := loader.LoadComposefile(opts)
+		compose, err := loader.LoadComposefile(opts)
 		if err != nil {
 			logrus.Fatal(err)
 		}
 
 		expectedVersion := false
-		if config.Version == "3.8" {
+		if compose.Version == "3.8" {
 			expectedVersion = true
 		}
 
+		envSampleProvided := false
+		envSample := fmt.Sprintf("%s/%s/.env.sample", config.APPS_DIR, recipe)
+		if _, err := os.Stat(envSample); !os.IsNotExist(err) {
+			envSampleProvided = true
+		}
+		if err != nil {
+			logrus.Fatal(err)
+		}
+
 		serviceNamedApp := false
 		traefikEnabled := false
 		healthChecksForAllServices := true
 		allImagesTagged := true
 		noUnstableTags := true
-		for _, service := range config.Services {
+		for _, service := range compose.Services {
 			if service.Name == "app" {
 				serviceNamedApp = true
 			}
@@ -211,12 +220,10 @@ var recipeLintCommand = &cli.Command{
 			}
 		}
 
-		// TODO
-		// check for .env.sample
-
 		tableCol := []string{"Rule", "Satisfied"}
 		table := formatter.CreateTable(tableCol)
 		table.Append([]string{"Compose files have the expected version", strconv.FormatBool(expectedVersion)})
+		table.Append([]string{"Environment configuration is provided", strconv.FormatBool(envSampleProvided)})
 		table.Append([]string{"Recipe contains a service named 'app'", strconv.FormatBool(serviceNamedApp)})
 		table.Append([]string{"Traefik routing enabled on at least one service", strconv.FormatBool(traefikEnabled)})
 		table.Append([]string{"All services have a healthcheck enabled", strconv.FormatBool(healthChecksForAllServices)})