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package http |
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import ( |
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"time" |
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"github.com/ansrivas/fiberprometheus/v2" |
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"github.com/gofiber/contrib/fibernewrelic" |
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"github.com/gofiber/fiber/v2" |
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"github.com/gofiber/fiber/v2/middleware/cache" |
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"github.com/gofiber/fiber/v2/middleware/cors" |
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"github.com/gofiber/fiber/v2/middleware/favicon" |
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"github.com/gofiber/fiber/v2/middleware/pprof" |
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"github.com/gofiber/swagger" |
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influxdb2 "github.com/influxdata/influxdb-client-go/v2" |
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"github.com/memnix/memnix-rest/app/misc" |
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"github.com/memnix/memnix-rest/config" |
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_ "github.com/memnix/memnix-rest/docs" // Side effect import |
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"github.com/memnix/memnix-rest/infrastructures" |
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"github.com/rs/zerolog/log" |
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) |
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// New returns a new Fiber instance |
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func New() *fiber.App { |
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// Create new app |
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app := fiber.New( |
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fiber.Config{ |
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Prefork: false, |
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JSONDecoder: config.JSONHelper.Unmarshal, |
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JSONEncoder: config.JSONHelper.Marshal, |
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}) |
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// Register middlewares |
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registerMiddlewares(app) |
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app.Get("/", func(c *fiber.Ctx) error { |
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return c.SendString("Hello, World 👋!") |
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}) |
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// Use swagger middleware |
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app.Get("/swagger/*", swagger.HandlerDefault) // default |
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// Api group |
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v2 := app.Group("/v2") |
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v2.Get("/", func(c *fiber.Ctx) error { |
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return fiber.NewError(fiber.StatusForbidden, "This is not a valid route") // Custom error |
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}) |
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registerRoutes(&v2) // /v2 |
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return app |
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} |
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func registerMiddlewares(app *fiber.App) { |
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// Use cors middleware |
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app.Use(cors.New(cors.Config{ |
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AllowOrigins: "http://localhost, *", |
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AllowHeaders: "Origin, Content-Type, Accept, Authorization, Cache-Control", |
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AllowCredentials: true, |
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})) |
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// Provide a minimal config |
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app.Use(favicon.New(favicon.Config{ |
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File: "./favicon.ico", |
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URL: "/favicon.ico", |
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})) |
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app.Use(cache.New(cache.Config{ |
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Expiration: 5 * time.Second, |
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CacheControl: true, |
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Next: func(c *fiber.Ctx) bool { |
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// Do not cache /metrics endpoint |
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return c.Path() == "/metrics" |
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}, |
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})) |
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cfg := fibernewrelic.Config{ |
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Application: infrastructures.GetRelicApp(), |
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} |
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app.Use(fibernewrelic.New(cfg)) |
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prometheus := fiberprometheus.New("memnix") |
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prometheus.RegisterAt(app, "/metrics") |
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app.Use(prometheus.Middleware) |
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app.Use(pprof.New()) |
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app.Use(loggerMiddleware()) |
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} |
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func loggerMiddleware() fiber.Handler { |
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return func(c *fiber.Ctx) error { |
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// Continue stack |
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chainErr := c.Next() |
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if chainErr != nil { |
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if err := c.App().ErrorHandler(c, chainErr); err != nil { |
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_ = c.SendStatus(fiber.StatusInternalServerError) //nolint:errcheck // TODO: Explain why we ignore the error here |
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} |
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} |
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// Do something with response |
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p := influxdb2.NewPointWithMeasurement("fiber"). |
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AddField("ip", c.IP()). |
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AddField("method", c.Method()). |
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AddField("path", c.Path()). |
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AddField("status", c.Response().StatusCode()). |
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SetTime(time.Now()) |
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_, err := misc.LogWriter{}.Write(*p) |
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if err != nil { |
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log.Error().Err(err).Msg("Error writing to influxdb") |
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} |
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return nil |
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} |
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} |
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memnix /
memnix-rest
