63 lines
1.5 KiB
Go
63 lines
1.5 KiB
Go
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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"time"
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)
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// Config centralizes runtime configuration loaded from the environment.
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type Config struct {
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AppName string
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Port string
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DatabaseURL string
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MaxOpenConns int
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MaxIdleConns int
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ConnMaxIdle time.Duration
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}
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// Load reads configuration from environment variables and applies sane defaults
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// for local development.
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func Load() Config {
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cfg := Config{
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AppName: getEnv("APP_NAME", "saveinmed-performance-core"),
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Port: getEnv("PORT", "8080"),
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DatabaseURL: getEnv("DATABASE_URL", "postgres://postgres:postgres@localhost:5432/saveinmed?sslmode=disable"),
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MaxOpenConns: getEnvInt("DB_MAX_OPEN_CONNS", 15),
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MaxIdleConns: getEnvInt("DB_MAX_IDLE_CONNS", 5),
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ConnMaxIdle: getEnvDuration("DB_CONN_MAX_IDLE", 5*time.Minute),
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}
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return cfg
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}
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// Addr returns the address binding for the HTTP server.
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func (c Config) Addr() string {
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return fmt.Sprintf(":%s", c.Port)
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}
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func getEnv(key, fallback 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 fallback
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}
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func getEnvInt(key string, fallback int) int {
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if value := os.Getenv(key); value != "" {
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if parsed, err := strconv.Atoi(value); err == nil {
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return parsed
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}
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}
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return fallback
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}
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func getEnvDuration(key string, fallback time.Duration) time.Duration {
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if value := os.Getenv(key); value != "" {
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if parsed, err := time.ParseDuration(value); err == nil {
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return parsed
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}
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}
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return fallback
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}
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