Initial commit: Open sourcing all of the Maple Open Technologies code.

cloud/maplefile-backend/pkg/logger/logger.go

@@ -0,0 +1,84 @@
+// codeberg.org/mapleopentech/monorepo/cloud/maplefile-backend/pkg/logger/logger.go
+package logger
+
+import (
+	"os"
+
+	"go.uber.org/zap"
+	"go.uber.org/zap/zapcore"
+)
+
+// NewProduction creates a production-ready logger with appropriate configuration
+func NewProduction() (*zap.Logger, error) {
+	// Get log level from environment
+	logLevel := getLogLevel()
+
+	// Configure encoder for production (JSON format)
+	encoderConfig := zapcore.EncoderConfig{
+		TimeKey:        "timestamp",
+		LevelKey:       "level",
+		NameKey:        "logger",
+		CallerKey:      "caller",
+		FunctionKey:    zapcore.OmitKey,
+		MessageKey:     "message",
+		StacktraceKey:  "stacktrace",
+		LineEnding:     zapcore.DefaultLineEnding,
+		EncodeLevel:    zapcore.LowercaseLevelEncoder,
+		EncodeTime:     zapcore.RFC3339TimeEncoder,
+		EncodeDuration: zapcore.SecondsDurationEncoder,
+		EncodeCaller:   zapcore.ShortCallerEncoder,
+	}
+
+	// Create core
+	core := zapcore.NewCore(
+		zapcore.NewJSONEncoder(encoderConfig),
+		zapcore.AddSync(os.Stdout),
+		logLevel,
+	)
+
+	// Create logger with caller information
+	logger := zap.New(core, zap.AddCaller(), zap.AddStacktrace(zapcore.ErrorLevel))
+
+	// Add service information
+	logger = logger.With(
+		zap.String("service", "maplefile-backend"),
+		zap.String("version", getServiceVersion()),
+	)
+
+	return logger, nil
+}
+
+// NewDevelopment creates a development logger (for backward compatibility)
+func NewDevelopment() (*zap.Logger, error) {
+	return zap.NewDevelopment()
+}
+
+// getLogLevel determines log level from environment
+func getLogLevel() zapcore.Level {
+	levelStr := os.Getenv("LOG_LEVEL")
+	switch levelStr {
+	case "debug", "DEBUG":
+		return zapcore.DebugLevel
+	case "info", "INFO":
+		return zapcore.InfoLevel
+	case "warn", "WARN", "warning", "WARNING":
+		return zapcore.WarnLevel
+	case "error", "ERROR":
+		return zapcore.ErrorLevel
+	case "panic", "PANIC":
+		return zapcore.PanicLevel
+	case "fatal", "FATAL":
+		return zapcore.FatalLevel
+	default:
+		return zapcore.InfoLevel
+	}
+}
+
+// getServiceVersion gets the service version (could be injected at build time)
+func getServiceVersion() string {
+	version := os.Getenv("SERVICE_VERSION")
+	if version == "" {
+		return "1.0.0"
+	}
+	return version
+}

cloud/maplefile-backend/pkg/logger/provider.go

@@ -0,0 +1,15 @@
+package logger
+
+import (
+	"go.uber.org/zap"
+
+	"codeberg.org/mapleopentech/monorepo/cloud/maplefile-backend/config"
+)
+
+// ProvideLogger provides a logger instance for Wire DI
+func ProvideLogger(cfg *config.Config) (*zap.Logger, error) {
+	if cfg.App.Environment == "production" {
+		return NewProduction()
+	}
+	return NewDevelopment()
+}