added verbose logging

README.md

@@ -48,6 +48,7 @@ GLOBAL OPTIONS:
    --address value, -a value         Address of locally running lambda. Port can be set with env var _LAMBDA_SERVER_PORT. (default: "localhost:8000")
    --parse-json, -p                  Parse response values like 'body' as JSON. (default: false)
    --executionLimit value, -e value  Execution time limit for this lambda in seconds. (default: 5)
+   --verbose, -v                     Enable verbose logging for debugging. (default: false)
    --help, -h                        show help (default: false)
 ```
 

main.go

@@ -26,14 +26,7 @@ func main() {
 }
 
 func run(ctx context.Context, w io.Writer) error { //nolint:funlen,cyclop
-	logger := slog.New(
-		tint.NewHandler(
-			w, &tint.Options{
-				Level:      slog.LevelDebug,
-				TimeFormat: "15:04:05.000",
-			},
-		),
-	)
+	logLevel := slog.LevelInfo
 
 	cmd := &cli.Command{
 		Usage: "A tool for invoking AWS Lambdas locally",
@@ -56,6 +49,18 @@ func run(ctx context.Context, w io.Writer) error { //nolint:funlen,cyclop
 				Value:   5, //nolint:mnd
 				Usage:   "Execution time limit for this lambda in seconds.",
 			},
+			&cli.BoolFlag{
+				Name:    "verbose",
+				Aliases: []string{"v"},
+				Usage:   "Enable verbose logging for debugging.",
+				Action: func(_ context.Context, _ *cli.Command, b bool) error {
+					if b {
+						logLevel = slog.LevelDebug
+					}
+
+					return nil
+				},
+			},
 		},
 		Commands: []*cli.Command{
 			{
@@ -99,6 +104,16 @@ func run(ctx context.Context, w io.Writer) error { //nolint:funlen,cyclop
 					template := cmd.String("template")
 					parseJSON := cmd.Bool("parse-json")
 
+					logger := slog.New(
+						tint.NewHandler(
+							w, &tint.Options{
+								Level:      logLevel,
+								TimeFormat: "15:04:05.000",
+							},
+						),
+					)
+
+					// create lambda client
 					lambdaRPC := NewLambdaLambdaRPCClient(lambdaAddress, executionLimit)
 
 					// run local API gateway
@@ -148,9 +163,7 @@ func run(ctx context.Context, w io.Writer) error { //nolint:funlen,cyclop
 							return fmt.Errorf("[in run.event] failed to open event file: %w", err)
 						}
 						defer func() {
-							if err = file.Close(); err != nil {
-								logger.Error("Error closing file", "err", err)
-							}
+							_ = file.Close()
 						}()
 
 						bytes, err := io.ReadAll(file)
@@ -174,6 +187,16 @@ func run(ctx context.Context, w io.Writer) error { //nolint:funlen,cyclop
 					event := cmd.String("string")
 					parseJSON := cmd.Bool("parse-json")
 
+					logger := slog.New(
+						tint.NewHandler(
+							w, &tint.Options{
+								Level:      logLevel,
+								TimeFormat: "15:04:05.000",
+							},
+						),
+					)
+
+					// create lambda client
 					lambdaRPC := NewLambdaLambdaRPCClient(lambdaAddress, executionLimit)
 
 					// invoke lambda with event

makefile

@@ -10,12 +10,17 @@ test: ## run tests
 	@echo "Running tests"
 	@go test -v ./... -count=1
 
+.PHONEY: lambdalocal-help
+lambdalocal-help: ## show lambdalocal help
+	go run . --help
+
 ### Examples
 
 .PHONEY: run_event
 run_event:
 	go run . \
 		--parse-json \
+		--verbose \
 		event \
 		--file "./example/api-gateway-basic/event.json"