Session

SessionCookie stores small string session values in a signed cookie.

app.Use(middleware.SessionCookie("sid", os.Getenv("SESSION_SECRET")))

Inside handlers:

app.Get("/profile", func(c *zinc.Context) error {
  session := middleware.MustSession(c)
  session.Set("last_path", c.Path())
  return c.String(session.Get("user_id"))
})

Use SessionWithConfig to customize cookie settings.

app.Use(middleware.SessionWithConfig(middleware.SessionConfig{
  Name:     "sid",
  Secret:   []byte(os.Getenv("SESSION_SECRET")),
  MaxAge:   86400,
  Secure:   true,
  SameSite: http.SameSiteLaxMode,
}))

This middleware is for small cookie-backed values. Store large or sensitive session state server-side and keep only an opaque ID in the cookie.