add log rotation to docker compose

cmd/debug.go

@@ -14,15 +14,23 @@ var debugCmd = &cobra.Command{
 	Short: "Development tools, use with caution",
 	RunE: func(cmd *cobra.Command, args []string) error {
 		logger := logging.Get()
-		logger.Debugw("Debug message", "foo", 42)
-		logger.Infow("Info message", "foo", 42)
-		logger.Warnw("Warn message", "foo", 42)
-		logger.Errorw("Error message", zap.Error(fmt.Errorf("big bad")))
+		repeat, err := cmd.Flags().GetInt("repeat")
+		if err != nil {
+			return err
+		}
+		for range repeat {
+			logger.Debugw("Debug message", "foo", 42)
+			logger.Infow("Info message", "foo", 42)
+			logger.Warnw("Warn message", "foo", 42)
+			logger.Errorw("Error message", zap.Error(fmt.Errorf("big bad")))
+		}
 		cmd.Println("Done")
 		return nil
 	},
 }
 
 func init() {
+	debugCmd.Flags().Int("repeat", 1, "")
+
 	rootCmd.AddCommand(debugCmd)
 }

compose.yaml

@@ -15,6 +15,11 @@ services:
     environment:
       # Allow insecure TLS if username is "beacon". Remove this in production.
       - BEACON_EMAIL_TLS_INSECURE=beacon
+    logging:
+      driver: "json-file"
+      options:
+        max-size: "50m"
+        max-file: "3"
 
   # SMTP server for development and testing.
   # For production configure your SMTP inside the Beacon config file instead.