feat: add environment configuration and implement cookie handling for user authentication

app/utils/token.ts

@@ -0,0 +1,21 @@
+import { decodeJwt } from 'jose'
+
+import { userTokenCookieConfig } from '~/libs/cookie.server'
+
+type TTokenCookie = {
+  token: string
+}
+
+export const generateTokenCookie = (parameters: TTokenCookie) => {
+  const { token } = parameters
+
+  const decodedToken = decodeJwt(token)
+  const decodedTokenExp = decodedToken.exp
+  const expirationDate = decodedTokenExp
+    ? new Date(decodedTokenExp * 1000)
+    : undefined
+
+  return userTokenCookieConfig.serialize(token, {
+    expires: expirationDate,
+  })
+}