Basic server app with WS connection.

server/internal/application/logger.go

@@ -3,12 +3,37 @@ package application
 import (
 	"log/slog"
 	"os"
+	"strings"
+)
+
+const (
+	defaultLogLevel slog.Level = slog.LevelInfo
+
+	logLevelEnvVar = "BUNKERD_LOG_LEVEL"
 )
 
 func (a *Application) initializeLogger() {
+	logLevel := defaultLogLevel
+
+	logLevelAsString, found := os.LookupEnv(logLevelEnvVar)
+	if found {
+		switch strings.ToLower(logLevelAsString) {
+		case "debug":
+			logLevel = slog.LevelDebug
+		case "info":
+			logLevel = slog.LevelInfo
+		case "warn":
+			logLevel = slog.LevelWarn
+		case "error":
+			logLevel = slog.LevelError
+		}
+	}
+
+	slog.Warn("Setting log level.", "level", logLevel.String())
+
 	a.baseLogger = slog.New(slog.NewTextHandler(os.Stdout, &slog.HandlerOptions{
 		AddSource: true,
-		Level:     slog.LevelDebug,
+		Level:     logLevel,
 	}))
 
 	a.appLogger = a.baseLogger.With("module", "application")