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fix: viper not unmarshalling env variables into the struct #3

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weirdcat merged 2 commits from fix-config into main 2025-06-21 16:20:46 +03:00
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1 changed files with 22 additions and 2 deletions
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24
backend/config/config.go
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@@ -28,14 +28,31 @@ func Load() (*Config, error) {
viper.SetDefault("PORT", "8080") viper.SetDefault("PORT", "8080")
viper.SetDefault("JWT_ALGORITHM", "HS256") viper.SetDefault("JWT_ALGORITHM", "HS256")
viper.SetDefault("JWT_SECRET", "default_jwt_secret_please_change") viper.SetDefault("JWT_SECRET", "default_jwt_secret_please_change")
viper.SetDefault("JWT_EXP_ACCESS", "5") viper.SetDefault("JWT_EXP_ACCESS", 5)
viper.SetDefault("JWT_EXP_REFRESH", "10080") viper.SetDefault("JWT_EXP_REFRESH", 10080)
viper.SetDefault("JWT_AUDIENCE", "easywish") viper.SetDefault("JWT_AUDIENCE", "easywish")
viper.SetDefault("JWT_ISSUER", "easywish") viper.SetDefault("JWT_ISSUER", "easywish")
viper.SetDefault("ENVIRONMENT", "production") viper.SetDefault("ENVIRONMENT", "production")
viper.AutomaticEnv() viper.AutomaticEnv()
// Viper's AutomaticEnv() expects lowercase keys for unmarshalling into structs by default,
// while the environment variables and struct tags are in uppercase.
// Here's the stupidity we have to do to fix it:
viper.SetEnvKeyReplacer(strings.NewReplacer(".", "_"))
viper.BindEnv("HOSTNAME")
viper.BindEnv("PORT")
viper.BindEnv("POSTGRES_URL")
viper.BindEnv("REDIS_URL")
viper.BindEnv("MINIO_URL")
viper.BindEnv("JWT_ALGORITHM")
viper.BindEnv("JWT_SECRET")
viper.BindEnv("JWT_ISSUER")
viper.BindEnv("JWT_AUDIENCE")
viper.BindEnv("JWT_EXP_ACCESS")
viper.BindEnv("JWT_EXP_REFRESH")
viper.BindEnv("ENVIRONMENT")
required := []string{ required := []string{
"POSTGRES_URL", "POSTGRES_URL",
"REDIS_URL", "REDIS_URL",
@@ -57,6 +74,9 @@ func Load() (*Config, error) {
} }
config = &cfg config = &cfg
fmt.Printf("The pg url is '%s'", config.DatabaseUrl)
return &cfg, nil return &cfg, nil
} }