8103f64db9
- Implement pkg/config package with Viper integration - Support environment variables with DLC_ prefix - Add configurable server host, port, and shutdown timeout - Update server to use configuration values - Add config.example.yaml template file - Update AGENTS.md with configuration documentation - Maintain backward compatibility with default values Configuration options: - DLC_SERVER_HOST (default: 0.0.0.0) - DLC_SERVER_PORT (default: 8080) - DLC_SHUTDOWN_TIMEOUT (default: 30s)
57 lines
1.4 KiB
Go
57 lines
1.4 KiB
Go
package config
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import (
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"fmt"
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"time"
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"github.com/rs/zerolog/log"
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"github.com/spf13/viper"
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)
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// Config represents the application configuration
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type Config struct {
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Server struct {
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Host string `mapstructure:"host"`
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Port int `mapstructure:"port"`
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}
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Shutdown struct {
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Timeout time.Duration `mapstructure:"timeout"`
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}
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}
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// LoadConfig loads configuration from environment variables and defaults
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func LoadConfig() (*Config, error) {
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v := viper.New()
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// Set default values
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v.SetDefault("server.host", "0.0.0.0")
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v.SetDefault("server.port", 8080)
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v.SetDefault("shutdown.timeout", 30*time.Second)
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// Bind environment variables
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v.AutomaticEnv()
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v.SetEnvPrefix("DLC") // DanceLessonsCoach prefix
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v.BindEnv("server.host", "DLC_SERVER_HOST")
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v.BindEnv("server.port", "DLC_SERVER_PORT")
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v.BindEnv("shutdown.timeout", "DLC_SHUTDOWN_TIMEOUT")
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// Unmarshal into Config struct
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var config Config
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if err := v.Unmarshal(&config); err != nil {
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log.Error().Err(err).Msg("Failed to unmarshal config")
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return nil, fmt.Errorf("config unmarshal error: %w", err)
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}
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log.Info().
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Str("host", config.Server.Host).
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Int("port", config.Server.Port).
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Dur("shutdown_timeout", config.Shutdown.Timeout).
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Msg("Configuration loaded")
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return &config, nil
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}
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// GetServerAddress returns the formatted server address (host:port)
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func (c *Config) GetServerAddress() string {
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return fmt.Sprintf("%s:%d", c.Server.Host, c.Server.Port)
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} |