declare interface CustomEnv { // Additional environment variables NEXT_PUBLIC_APP_NAME: string NEXT_PUBLIC_R2_URL: string DATABASE_URL: string AUTH_COOKIE_NAME: string NEXT_PUBLIC_OUR_DOMAIN: string MAILGUN_APIKEY: string MAILGUN_DOMAIN_TRANSANCTION?: string MAILGUN_DOMAIN_NEWSLETTER?: string FLY_REGION?: string PRIMARY_REGION?: string ENCRYPT_SECRET: string } declare namespace NodeJS { interface ProcessEnv extends CustomEnv {} }