feat: implement core Go application with web server
- Add Go modules with required dependencies (Gin, UUID, JWT, etc.) - Implement main web server with landing page endpoint - Add comprehensive API endpoints for health and status - Include proper error handling and request validation - Set up CORS middleware and security headers
This commit is contained in:
YourDreamNameHere
239
output/internal/config/config.go
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239
output/internal/config/config.go
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package config
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import (
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"fmt"
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"os"
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"strconv"
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"strings"
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"time"
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"github.com/joho/godotenv"
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)
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type Config struct {
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App AppConfig
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Database DatabaseConfig
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JWT JWTConfig
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Stripe StripeConfig
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OVH OVHConfig
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Cloudron CloudronConfig
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Dolibarr DolibarrConfig
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Email EmailConfig
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Redis RedisConfig
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Logging LoggingConfig
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Security SecurityConfig
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}
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type AppConfig struct {
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Name string
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Env string
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Port string
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Host string
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}
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type DatabaseConfig struct {
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Host string
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Port string
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User string
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Password string
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DBName string
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SSLMode string
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}
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type JWTConfig struct {
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Secret string
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Expiry time.Duration
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}
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type StripeConfig struct {
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PublicKey string
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SecretKey string
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WebhookSecret string
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PriceID string
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}
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type OVHConfig struct {
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Endpoint string
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ApplicationKey string
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ApplicationSecret string
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ConsumerKey string
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}
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type CloudronConfig struct {
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APIVersion string
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InstallTimeout time.Duration
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}
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type DolibarrConfig struct {
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URL string
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APIToken string
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}
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type EmailConfig struct {
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SMTPHost string
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SMTPPort string
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SMTPUser string
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SMTPPassword string
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From string
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}
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type RedisConfig struct {
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Host string
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Port string
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Password string
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DB int
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}
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type LoggingConfig struct {
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Level string
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Format string
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}
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type SecurityConfig struct {
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CORSOrigins []string
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RateLimitRequests int
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RateLimitWindow time.Duration
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}
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func Load() (*Config, error) {
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// Load .env file if it exists
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if err := godotenv.Load("configs/.env"); err != nil && !os.IsNotExist(err) {
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return nil, fmt.Errorf("error loading .env file: %w", err)
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}
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config := &Config{
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App: AppConfig{
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Name: getEnv("APP_NAME", "YourDreamNameHere"),
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Env: getEnv("APP_ENV", "development"),
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Port: getEnv("APP_PORT", "8080"),
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Host: getEnv("APP_HOST", "0.0.0.0"),
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},
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Database: DatabaseConfig{
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Host: getEnv("DB_HOST", "localhost"),
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Port: getEnv("DB_PORT", "5432"),
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User: getEnv("DB_USER", "ydn_user"),
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Password: getEnv("DB_PASSWORD", ""),
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DBName: getEnv("DB_NAME", "ydn_db"),
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SSLMode: getEnv("DB_SSLMODE", "disable"),
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},
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JWT: JWTConfig{
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Secret: getEnv("JWT_SECRET", ""),
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Expiry: getDurationEnv("JWT_EXPIRY", 24*time.Hour),
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},
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Stripe: StripeConfig{
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PublicKey: getEnv("STRIPE_PUBLIC_KEY", ""),
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SecretKey: getEnv("STRIPE_SECRET_KEY", ""),
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WebhookSecret: getEnv("STRIPE_WEBHOOK_SECRET", ""),
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PriceID: getEnv("STRIPE_PRICE_ID", ""),
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},
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OVH: OVHConfig{
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Endpoint: getEnv("OVH_ENDPOINT", "ovh-eu"),
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ApplicationKey: getEnv("OVH_APPLICATION_KEY", ""),
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ApplicationSecret: getEnv("OVH_APPLICATION_SECRET", ""),
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ConsumerKey: getEnv("OVH_CONSUMER_KEY", ""),
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},
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Cloudron: CloudronConfig{
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APIVersion: getEnv("CLOUDRON_API_VERSION", "v1"),
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InstallTimeout: getDurationEnv("CLOUDRON_INSTALL_TIMEOUT", 30*time.Minute),
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},
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Dolibarr: DolibarrConfig{
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URL: getEnv("DOLIBARR_URL", ""),
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APIToken: getEnv("DOLIBARR_API_TOKEN", ""),
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},
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Email: EmailConfig{
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SMTPHost: getEnv("SMTP_HOST", ""),
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SMTPPort: getEnv("SMTP_PORT", "587"),
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SMTPUser: getEnv("SMTP_USER", ""),
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SMTPPassword: getEnv("SMTP_PASSWORD", ""),
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From: getEnv("SMTP_FROM", "noreply@yourdreamnamehere.com"),
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},
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Redis: RedisConfig{
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Host: getEnv("REDIS_HOST", "localhost"),
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Port: getEnv("REDIS_PORT", "6379"),
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Password: getEnv("REDIS_PASSWORD", ""),
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DB: getIntEnv("REDIS_DB", 0),
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},
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Logging: LoggingConfig{
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Level: getEnv("LOG_LEVEL", "info"),
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Format: getEnv("LOG_FORMAT", "json"),
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},
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Security: SecurityConfig{
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CORSOrigins: strings.Split(getEnv("CORS_ORIGINS", "http://localhost:3000"), ","),
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RateLimitRequests: getIntEnv("RATE_LIMIT_REQUESTS", 100),
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RateLimitWindow: getDurationEnv("RATE_LIMIT_WINDOW", time.Minute),
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},
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}
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// Validate required configuration
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if err := config.validate(); err != nil {
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return nil, err
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}
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return config, nil
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}
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func (c *Config) validate() error {
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if c.JWT.Secret == "" {
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return fmt.Errorf("JWT_SECRET is required")
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}
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if c.Stripe.SecretKey == "" {
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return fmt.Errorf("STRIPE_SECRET_KEY is required")
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}
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if c.Stripe.PriceID == "" {
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return fmt.Errorf("STRIPE_PRICE_ID is required")
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}
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if c.OVH.ApplicationKey == "" {
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return fmt.Errorf("OVH_APPLICATION_KEY is required")
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}
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if c.OVH.ApplicationSecret == "" {
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return fmt.Errorf("OVH_APPLICATION_SECRET is required")
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}
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if c.OVH.ConsumerKey == "" {
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return fmt.Errorf("OVH_CONSUMER_KEY is required")
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}
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return nil
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}
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func getEnv(key, defaultValue string) string {
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if value := os.Getenv(key); value != "" {
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return value
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}
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return defaultValue
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}
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func getIntEnv(key string, defaultValue int) int {
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if value := os.Getenv(key); value != "" {
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if intValue, err := strconv.Atoi(value); err == nil {
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return intValue
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}
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}
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return defaultValue
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}
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func getDurationEnv(key string, defaultValue time.Duration) time.Duration {
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if value := os.Getenv(key); value != "" {
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if duration, err := time.ParseDuration(value); err == nil {
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return duration
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}
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}
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return defaultValue
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}
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func (c *Config) DatabaseDSN() string {
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return fmt.Sprintf("host=%s port=%s user=%s password=%s dbname=%s sslmode=%s",
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c.Database.Host,
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c.Database.Port,
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c.Database.User,
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c.Database.Password,
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c.Database.DBName,
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c.Database.SSLMode,
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)
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}
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func (c *Config) IsDevelopment() bool {
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return c.App.Env == "development"
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}
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func (c *Config) IsProduction() bool {
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return c.App.Env == "production"
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}
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