init

config.go

@@ -0,0 +1,59 @@
+package main
+
+import (
+	"fmt"
+	"os"
+	"strings"
+
+	"github.com/joho/godotenv"
+)
+
+type Config struct {
+	Port           string
+	DatabaseURL    string
+	StorageDir     string
+	DevMode        bool
+	OIDCIssuer     string
+	OIDCAudience   string
+	OIDCJWKSURL    string
+	OIDCAuthURL    string
+	OIDCTokenURL   string
+	OIDCClientID   string
+	OIDCRedirect   string
+	OIDCLogoutURL  string
+}
+
+func LoadConfig() (Config, error) {
+	_ = godotenv.Load()
+
+	cfg := Config{
+		Port:          envOrDefault("PORT", "8080"),
+		DatabaseURL:   os.Getenv("DATABASE_URL"),
+		StorageDir:    envOrDefault("STORAGE_DIR", "uploads"),
+		DevMode:       strings.EqualFold(envOrDefault("DEV_MODE", "false"), "true"),
+		OIDCIssuer:    os.Getenv("OIDC_ISSUER"),
+		OIDCAudience:  os.Getenv("OIDC_AUDIENCE"),
+		OIDCJWKSURL:   os.Getenv("OIDC_JWKS_URL"),
+		OIDCAuthURL:   os.Getenv("OIDC_AUTH_URL"),
+		OIDCTokenURL:  os.Getenv("OIDC_TOKEN_URL"),
+		OIDCClientID:  os.Getenv("OIDC_CLIENT_ID"),
+		OIDCRedirect:  os.Getenv("OIDC_REDIRECT_URL"),
+		OIDCLogoutURL: os.Getenv("OIDC_LOGOUT_URL"),
+	}
+
+	if cfg.DatabaseURL == "" {
+		return Config{}, fmt.Errorf("DATABASE_URL is required")
+	}
+	if !cfg.DevMode && (cfg.OIDCIssuer == "" || cfg.OIDCAudience == "" || cfg.OIDCJWKSURL == "") {
+		return Config{}, fmt.Errorf("OIDC_ISSUER, OIDC_AUDIENCE, and OIDC_JWKS_URL are required")
+	}
+	return cfg, nil
+}
+
+func envOrDefault(key, fallback string) string {
+	value := os.Getenv(key)
+	if value == "" {
+		return fallback
+	}
+	return value
+}