feat: add prometheus metrics without external standalone exporter

README.md

@@ -165,6 +165,8 @@ You can specify configuration options either via a config file (default: `config
 | `security.password_salt`    | `WAKAPI_PASSWORD_SALT`      | -              | Pepper to use for password hashing                                  |
 | `security.insecure_cookies` | `WAKAPI_INSECURE_COOKIES`   | `false`        | Whether or not to allow cookies over HTTP                           |
 | `security.cookie_max_age`   | `WAKAPI_COOKIE_MAX_AGE`     | `172800`       | Lifetime of authentication cookies in seconds or `0` to use [Session](https://developer.mozilla.org/en-US/docs/Web/HTTP/Cookies#Define_the_lifetime_of_a_cookie) cookies |
+| `security.allow_signup`     | `WAKAPI_ALLOW_SIGNUP`       | `true`         | Whether to enable user registration                                 |
+| `security.expose_metrics`   | `WAKAPI_EXPOSE_METRICS`     | `false`        | Whether to expose Prometheus metrics under `/metrics`               |
 | `db.host`                   | `WAKAPI_DB_HOST`            | -              | Database host                                                       |
 | `db.port`                   | `WAKAPI_DB_PORT`            | -              | Database port                                                       |
 | `db.user`                   | `WAKAPI_DB_USER`            | -              | Database user                                                       |
@@ -196,13 +198,37 @@ $ swag init -o static/docs
 
 ## 🤝 Integrations
 ### Prometheus Export
-If you want to export your Wakapi statistics to Prometheus to view them in a Grafana dashboard or so please refer to an excellent tool called **[wakatime_exporter](https://github.com/MacroPower/wakatime_exporter)**.
+You can export your Wakapi statistics to Prometheus to view them in a Grafana dashboard or so. Here is how.
 
-[![](https://github-readme-stats.vercel.app/api/pin/?username=MacroPower&repo=wakatime_exporter&show_owner=true&bg_color=2D3748&title_color=2F855A&icon_color=2F855A&text_color=ffffff)](https://github.com/MacroPower/wakatime_exporter)
+```bash
+# 1. Start Wakapi with the feature enabled
+$ export WAKAPI_EXPOSE_METRICS=true
+$ ./wakapi
 
-It is a standalone webserver that connects to your Wakapi instance and exposes the data as Prometheus metrics. Although originally developed to scrape data from WakaTime, it will mostly for with Wakapi as well, as the APIs are partially compatible.
+# 2. Get your API key and hash it
+$ echo "<YOUR_API_KEY>" | base64
 
-Simply configure the exporter with `WAKA_SCRAPE_URI` to equal `"https://wakapi.your-server.com/api/compat/wakatime/v1"` and set your API key accordingly.
+# 3. Add a Prometheus scrape config to your prometheus.yml (see below)
+```
+
+#### Scrape config example
+```yml
+# prometheus.yml
+# (assuming your Wakapi instance listens at localhost, port 3000)
+
+scrape_configs:
+  - job_name: 'wakapi'
+    scrape_interval: 1m
+    metrics_path: '/api/metrics'
+    bearer_token: '<YOUR_BASE64_HASHED_TOKEN>'
+    static_configs:
+      - targets: ['localhost:3000']
+```
+
+#### Grafana 
+There is also a [nice Grafana dashboard](https://grafana.com/grafana/dashboards/12790), provided by the author of [wakatime_exporter](https://github.com/MacroPower/wakatime_exporter).
+
+![](https://grafana.com/api/dashboards/12790/images/8741/image)
 
 ### WakaTime Integration
 Wakapi plays well together with [WakaTime](https://wakatime.com). For one thing, you can **forward heartbeats** from Wakapi to WakaTime to effectively use both services simultaneously. In addition, there is the option to **import historic data** from WakaTime for consistency between both services. Both features can be enabled in the _Integrations_ section of your Wakapi instance's settings page.     

config.default.yml

@@ -30,3 +30,4 @@ security:
   insecure_cookies: false
   cookie_max_age: 172800
   allow_signup: true
+  expose_metrics: false

config/config.go

@@ -47,7 +47,6 @@ var cFlag = flag.String("config", defaultConfigPath, "config file location")
 
 type appConfig struct {
 	AggregationTime  string                       `yaml:"aggregation_time" default:"02:15" env:"WAKAPI_AGGREGATION_TIME"`
-	CountingTime     string                       `yaml:"counting_time" default:"05:15" env:"WAKAPI_COUNTING_TIME"`
 	ImportBackoffMin int                          `yaml:"import_backoff_min" default:"5" env:"WAKAPI_IMPORT_BACKOFF_MIN"`
 	ImportBatchSize  int                          `yaml:"import_batch_size" default:"100" env:"WAKAPI_IMPORT_BATCH_SIZE"`
 	CustomLanguages  map[string]string            `yaml:"custom_languages"`
@@ -56,6 +55,7 @@ type appConfig struct {
 
 type securityConfig struct {
 	AllowSignup   bool `yaml:"allow_signup" default:"true" env:"WAKAPI_ALLOW_SIGNUP"`
+	ExposeMetrics bool `yaml:"expose_metrics" default:"false" env:"WAKAPI_EXPOSE_METRICS"`
 	// this is actually a pepper (https://en.wikipedia.org/wiki/Pepper_(cryptography))
 	PasswordSalt    string                     `yaml:"password_salt" default:"" env:"WAKAPI_PASSWORD_SALT"`
 	InsecureCookies bool                       `yaml:"insecure_cookies" default:"false" env:"WAKAPI_INSECURE_COOKIES"`

main.go

@@ -149,6 +149,7 @@ func main() {
 	healthApiHandler := api.NewHealthApiHandler(db)
 	heartbeatApiHandler := api.NewHeartbeatApiHandler(userService, heartbeatService, languageMappingService)
 	summaryApiHandler := api.NewSummaryApiHandler(userService, summaryService)
+	metricsHandler := api.NewMetricsHandler(userService, summaryService, heartbeatService, keyValueService)
 
 	// Compat Handlers
 	wakatimeV1AllHandler := wtV1Routes.NewAllTimeHandler(userService, summaryService)
@@ -189,6 +190,7 @@ func main() {
 	summaryApiHandler.RegisterRoutes(apiRouter)
 	healthApiHandler.RegisterRoutes(apiRouter)
 	heartbeatApiHandler.RegisterRoutes(apiRouter)
+	metricsHandler.RegisterRoutes(apiRouter)
 	wakatimeV1AllHandler.RegisterRoutes(apiRouter)
 	wakatimeV1SummariesHandler.RegisterRoutes(apiRouter)
 	wakatimeV1StatsHandler.RegisterRoutes(apiRouter)

middlewares/authenticate.go

@@ -2,7 +2,6 @@ package middlewares
 
 import (
 	"context"
-	"fmt"
 	conf "github.com/muety/wakapi/config"
 	"github.com/muety/wakapi/models"
 	"github.com/muety/wakapi/services"
@@ -15,6 +14,7 @@ type AuthenticateMiddleware struct {
 	config           *conf.Config
 	userSrvc         services.IUserService
 	optionalForPaths []string
+	redirectTarget   string // optional
 }
 
 func NewAuthenticateMiddleware(userService services.IUserService) *AuthenticateMiddleware {
@@ -30,6 +30,11 @@ func (m *AuthenticateMiddleware) WithOptionalFor(paths []string) *AuthenticateMi
 	return m
 }
 
+func (m *AuthenticateMiddleware) WithRedirectTarget(path string) *AuthenticateMiddleware {
+	m.redirectTarget = path
+	return m
+}
+
 func (m *AuthenticateMiddleware) Handler(h http.Handler) http.Handler {
 	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
 		m.ServeHTTP(w, r, h.ServeHTTP)
@@ -50,11 +55,12 @@ func (m *AuthenticateMiddleware) ServeHTTP(w http.ResponseWriter, r *http.Reques
 			return
 		}
 
-		if strings.HasPrefix(r.URL.Path, "/api") {
+		if m.redirectTarget == "" {
 			w.WriteHeader(http.StatusUnauthorized)
+			w.Write([]byte("401 unauthorized"))
 		} else {
 			http.SetCookie(w, m.config.GetClearCookie(models.AuthCookieKey, "/"))
-			http.Redirect(w, r, fmt.Sprintf("%s/?error=unauthorized", m.config.Server.BasePath), http.StatusFound)
+			http.Redirect(w, r, m.redirectTarget, http.StatusFound)
 		}
 		return
 	}

mocks/heartbeat_service.go

@@ -20,6 +20,11 @@ func (m *HeartbeatServiceMock) InsertBatch(heartbeats []*models.Heartbeat) error
 	return args.Error(0)
 }
 
+func (m *HeartbeatServiceMock) Count() (int64, error) {
+	args := m.Called()
+	return int64(args.Int(0)), args.Error(1)
+}
+
 func (m *HeartbeatServiceMock) CountByUser(user *models.User) (int64, error) {
 	args := m.Called(user)
 	return args.Get(0).(int64), args.Error(0)

models/metrics/counter_metric.go

@@ -0,0 +1,22 @@
+package metrics
+
+import "fmt"
+
+type CounterMetric struct {
+	Name   string
+	Value  int
+	Desc   string
+	Labels Labels
+}
+
+func (c CounterMetric) Key() string {
+	return c.Name
+}
+
+func (c CounterMetric) Print() string {
+	return fmt.Sprintf("%s%s %d", c.Name, c.Labels.Print(), c.Value)
+}
+
+func (c CounterMetric) Header() string {
+	return fmt.Sprintf("# HELP %s %s\n# TYPE %s counter", c.Name, c.Desc, c.Name)
+}

models/metrics/label.go

@@ -0,0 +1,28 @@
+package metrics
+
+import (
+	"fmt"
+	"strings"
+)
+
+type Labels []Label
+
+type Label struct {
+	Key   string
+	Value string
+}
+
+func (l Labels) Print() string {
+	printedLabels := make([]string, len(l))
+	for i, e := range l {
+		printedLabels[i] = e.Print()
+	}
+	if len(l) == 0 {
+		return ""
+	}
+	return fmt.Sprintf("{%s}", strings.Join(printedLabels, ","))
+}
+
+func (l Label) Print() string {
+	return fmt.Sprintf("%s=\"%s\"", l.Key, l.Value)
+}

models/metrics/metric.go

@@ -0,0 +1,43 @@
+package metrics
+
+import (
+	"fmt"
+	"strings"
+)
+
+// Hand-crafted Prometheus metrics
+// Since we're only using very simple counters in this application,
+// we don't actually need the official client SDK as a dependency
+
+type Metrics []Metric
+
+func (m Metrics) Print() (output string) {
+	printedMetrics := make(map[string]bool)
+	for _, m := range m {
+		if _, ok := printedMetrics[m.Key()]; !ok {
+			output += fmt.Sprintf("%s\n", m.Header())
+			printedMetrics[m.Key()] = true
+		}
+		output += fmt.Sprintf("%s\n", m.Print())
+	}
+
+	return output
+}
+
+func (m Metrics) Len() int {
+	return len(m)
+}
+
+func (m Metrics) Less(i, j int) bool {
+	return strings.Compare(m[i].Key(), m[j].Key()) < 0
+}
+
+func (m Metrics) Swap(i, j int) {
+	m[i], m[j] = m[j], m[i]
+}
+
+type Metric interface {
+	Key() string
+	Header() string
+	Print() string
+}

repositories/heartbeart.go

@@ -26,6 +26,16 @@ func (r *HeartbeatRepository) InsertBatch(heartbeats []*models.Heartbeat) error
 	return nil
 }
 
+func (r *HeartbeatRepository) Count() (int64, error) {
+	var count int64
+	if err := r.db.
+		Model(&models.Heartbeat{}).
+		Count(&count).Error; err != nil {
+		return 0, err
+	}
+	return count, nil
+}
+
 func (r *HeartbeatRepository) CountByUser(user *models.User) (int64, error) {
 	var count int64
 	if err := r.db.

repositories/repositories.go

@@ -17,6 +17,7 @@ type IAliasRepository interface {
 
 type IHeartbeatRepository interface {
 	InsertBatch([]*models.Heartbeat) error
+	Count() (int64, error)
 	CountByUser(*models.User) (int64, error)
 	GetAllWithin(time.Time, time.Time, *models.User) ([]*models.Heartbeat, error)
 	GetFirstByUsers() ([]*models.TimeByUser, error)

routes/api/metrics.go

@@ -0,0 +1,208 @@
+package api
+
+import (
+	"github.com/emvi/logbuch"
+	"github.com/gorilla/mux"
+	conf "github.com/muety/wakapi/config"
+	"github.com/muety/wakapi/middlewares"
+	"github.com/muety/wakapi/models"
+	v1 "github.com/muety/wakapi/models/compat/wakatime/v1"
+	mm "github.com/muety/wakapi/models/metrics"
+	"github.com/muety/wakapi/services"
+	"github.com/muety/wakapi/utils"
+	"net/http"
+	"sort"
+	"strconv"
+	"time"
+)
+
+const (
+	MetricsPrefix = "wakatime"
+
+	DescAllTime          = "Total seconds (all time)."
+	DescTotal            = "Total seconds."
+	DescEditors          = "Total seconds for each editor."
+	DescProjects         = "Total seconds for each project."
+	DescLanguages        = "Total seconds for each language."
+	DescOperatingSystems = "Total seconds for each operating system."
+	DescMachines         = "Total seconds for each machine."
+
+	DescAdminTotalTime       = "Total seconds (all users, all time)"
+	DescAdminTotalHeartbeats = "Total number of tracked heartbeats (all users, all time)"
+	DescAdminTotalUser       = "Total number of registered users"
+)
+
+type MetricsHandler struct {
+	config        *conf.Config
+	userSrvc      services.IUserService
+	summarySrvc   services.ISummaryService
+	heartbeatSrvc services.IHeartbeatService
+	keyValueSrvc  services.IKeyValueService
+}
+
+func NewMetricsHandler(userService services.IUserService, summaryService services.ISummaryService, heartbeatService services.IHeartbeatService, keyValueService services.IKeyValueService) *MetricsHandler {
+	return &MetricsHandler{
+		userSrvc:      userService,
+		summarySrvc:   summaryService,
+		heartbeatSrvc: heartbeatService,
+		keyValueSrvc:  keyValueService,
+		config:        conf.Get(),
+	}
+}
+
+func (h *MetricsHandler) RegisterRoutes(router *mux.Router) {
+	if !h.config.Security.ExposeMetrics {
+		return
+	}
+
+	logbuch.Info("exposing prometheus metrics under /api/metrics")
+
+	r := router.PathPrefix("/metrics").Subrouter()
+	r.Use(
+		middlewares.NewAuthenticateMiddleware(h.userSrvc).Handler,
+	)
+	r.Methods(http.MethodGet).HandlerFunc(h.Get)
+}
+
+func (h *MetricsHandler) Get(w http.ResponseWriter, r *http.Request) {
+	var metrics mm.Metrics
+
+	user := r.Context().Value(models.UserKey).(*models.User)
+	if user == nil {
+		w.WriteHeader(http.StatusUnauthorized)
+		return
+	}
+
+	summaryAllTime, err := h.summarySrvc.Aliased(time.Time{}, time.Now(), user, h.summarySrvc.Retrieve)
+	if err != nil {
+		w.WriteHeader(http.StatusInternalServerError)
+		return
+	}
+
+	from, to := utils.MustResolveIntervalRaw("today")
+
+	summaryToday, err := h.summarySrvc.Aliased(from, to, user, h.summarySrvc.Retrieve)
+	if err != nil {
+		w.WriteHeader(http.StatusInternalServerError)
+		return
+	}
+
+	// User Metrics
+
+	metrics = append(metrics, &mm.CounterMetric{
+		Name:   MetricsPrefix + "_cumulative_seconds_total",
+		Desc:   DescAllTime,
+		Value:  int(v1.NewAllTimeFrom(summaryAllTime, &models.Filters{}).Data.TotalSeconds),
+		Labels: []mm.Label{},
+	})
+
+	metrics = append(metrics, &mm.CounterMetric{
+		Name:   MetricsPrefix + "_seconds_total",
+		Desc:   DescTotal,
+		Value:  int(summaryToday.TotalTime().Seconds()),
+		Labels: []mm.Label{},
+	})
+
+	for _, p := range summaryToday.Projects {
+		metrics = append(metrics, &mm.CounterMetric{
+			Name:   MetricsPrefix + "_project_seconds_total",
+			Desc:   DescProjects,
+			Value:  int(summaryToday.TotalTimeByKey(models.SummaryProject, p.Key).Seconds()),
+			Labels: []mm.Label{{Key: "name", Value: p.Key}},
+		})
+	}
+
+	for _, l := range summaryToday.Languages {
+		metrics = append(metrics, &mm.CounterMetric{
+			Name:   MetricsPrefix + "_language_seconds_total",
+			Desc:   DescLanguages,
+			Value:  int(summaryToday.TotalTimeByKey(models.SummaryLanguage, l.Key).Seconds()),
+			Labels: []mm.Label{{Key: "name", Value: l.Key}},
+		})
+	}
+
+	for _, e := range summaryToday.Editors {
+		metrics = append(metrics, &mm.CounterMetric{
+			Name:   MetricsPrefix + "_editor_seconds_total",
+			Desc:   DescEditors,
+			Value:  int(summaryToday.TotalTimeByKey(models.SummaryEditor, e.Key).Seconds()),
+			Labels: []mm.Label{{Key: "name", Value: e.Key}},
+		})
+	}
+
+	for _, o := range summaryToday.OperatingSystems {
+		metrics = append(metrics, &mm.CounterMetric{
+			Name:   MetricsPrefix + "_operating_system_seconds_total",
+			Desc:   DescOperatingSystems,
+			Value:  int(summaryToday.TotalTimeByKey(models.SummaryOS, o.Key).Seconds()),
+			Labels: []mm.Label{{Key: "name", Value: o.Key}},
+		})
+	}
+
+	for _, m := range summaryToday.Machines {
+		metrics = append(metrics, &mm.CounterMetric{
+			Name:   MetricsPrefix + "_machine_seconds_total",
+			Desc:   DescMachines,
+			Value:  int(summaryToday.TotalTimeByKey(models.SummaryMachine, m.Key).Seconds()),
+			Labels: []mm.Label{{Key: "name", Value: m.Key}},
+		})
+	}
+
+	// Admin metrics
+
+	if user.IsAdmin {
+		var (
+			totalSeconds    int
+			totalUsers      int
+			totalHeartbeats int
+		)
+
+		if t, err := h.keyValueSrvc.GetString(conf.KeyLatestTotalTime); err == nil && t != nil && t.Value != "" {
+			if d, err := time.ParseDuration(t.Value); err == nil {
+				totalSeconds = int(d.Seconds())
+			}
+		}
+
+		if t, err := h.keyValueSrvc.GetString(conf.KeyLatestTotalUsers); err == nil && t != nil && t.Value != "" {
+			if d, err := strconv.Atoi(t.Value); err == nil {
+				totalUsers = d
+			}
+		}
+
+		if t, err := h.keyValueSrvc.GetString(conf.KeyLatestTotalUsers); err == nil && t != nil && t.Value != "" {
+			if d, err := strconv.Atoi(t.Value); err == nil {
+				totalUsers = d
+			}
+		}
+
+		if t, err := h.heartbeatSrvc.Count(); err == nil {
+			totalHeartbeats = int(t)
+		}
+
+		metrics = append(metrics, &mm.CounterMetric{
+			Name:   MetricsPrefix + "_admin_seconds_total",
+			Desc:   DescAdminTotalTime,
+			Value:  totalSeconds,
+			Labels: []mm.Label{},
+		})
+
+		metrics = append(metrics, &mm.CounterMetric{
+			Name:   MetricsPrefix + "_admin_users_total",
+			Desc:   DescAdminTotalUser,
+			Value:  totalUsers,
+			Labels: []mm.Label{},
+		})
+
+		metrics = append(metrics, &mm.CounterMetric{
+			Name:   MetricsPrefix + "_admin_heartbeats_total",
+			Desc:   DescAdminTotalHeartbeats,
+			Value:  totalHeartbeats,
+			Labels: []mm.Label{},
+		})
+	}
+
+	sort.Sort(metrics)
+
+	w.Header().Set("content-type", "text/plain; charset=utf-8")
+	w.Write([]byte(metrics.Print()))
+}

routes/routes.go

@@ -102,3 +102,7 @@ func typeName(t uint8) string {
 	}
 	return "unknown"
 }
+
+func defaultErrorRedirectTarget() string {
+	return fmt.Sprintf("%s/?error=unauthorized", config.Get().Server.BasePath)
+}

routes/settings.go

@@ -57,7 +57,7 @@ func NewSettingsHandler(
 func (h *SettingsHandler) RegisterRoutes(router *mux.Router) {
 	r := router.PathPrefix("/settings").Subrouter()
 	r.Use(
-		middlewares.NewAuthenticateMiddleware(h.userSrvc).Handler,
+		middlewares.NewAuthenticateMiddleware(h.userSrvc).WithRedirectTarget(defaultErrorRedirectTarget()).Handler,
 	)
 	r.Methods(http.MethodGet).HandlerFunc(h.GetIndex)
 	r.Methods(http.MethodPost).HandlerFunc(h.PostIndex)

routes/summary.go

@@ -29,7 +29,7 @@ func NewSummaryHandler(summaryService services.ISummaryService, userService serv
 func (h *SummaryHandler) RegisterRoutes(router *mux.Router) {
 	r := router.PathPrefix("/summary").Subrouter()
 	r.Use(
-		middlewares.NewAuthenticateMiddleware(h.userSrvc).Handler,
+		middlewares.NewAuthenticateMiddleware(h.userSrvc).WithRedirectTarget(defaultErrorRedirectTarget()).Handler,
 	)
 	r.Methods(http.MethodGet).HandlerFunc(h.GetIndex)
 }

services/heartbeat.go

@@ -30,6 +30,10 @@ func (srv *HeartbeatService) InsertBatch(heartbeats []*models.Heartbeat) error {
 	return srv.repository.InsertBatch(heartbeats)
 }
 
+func (srv *HeartbeatService) Count() (int64, error) {
+	return srv.repository.Count()
+}
+
 func (srv *HeartbeatService) CountByUser(user *models.User) (int64, error) {
 	return srv.repository.CountByUser(user)
 }

services/misc.go

@@ -46,7 +46,7 @@ func (srv *MiscService) ScheduleCountTotalTime() {
 	}
 
 	s := gocron.NewScheduler(time.Local)
-	s.Every(1).Day().At(srv.config.App.CountingTime).Do(srv.runCountTotalTime)
+	s.Every(1).Hour().Do(srv.runCountTotalTime)
 	s.StartBlocking()
 }
 

services/services.go

@@ -29,6 +29,7 @@ type IHeartbeatService interface {
 	Insert(*models.Heartbeat) error
 	InsertBatch([]*models.Heartbeat) error
 	CountByUser(*models.User) (int64, error)
+	Count() (int64, error)
 	GetAllWithin(time.Time, time.Time, *models.User) ([]*models.Heartbeat, error)
 	GetFirstByUsers() ([]*models.TimeByUser, error)
 	GetLatestByOriginAndUser(string, *models.User) (*models.Heartbeat, error)

utils/summary.go

@@ -16,6 +16,11 @@ func ParseInterval(interval string) (*models.IntervalKey, error) {
 	return nil, errors.New("not a valid interval")
 }
 
+func MustResolveIntervalRaw(interval string) (from, to time.Time) {
+	_, from, to = ResolveIntervalRaw(interval)
+	return from, to
+}
+
 func ResolveIntervalRaw(interval string) (err error, from, to time.Time) {
 	parsed, err := ParseInterval(interval)
 	if err != nil {
@@ -74,6 +79,8 @@ func ParseSummaryParams(r *http.Request) (*models.SummaryParams, error) {
 
 	if interval := params.Get("interval"); interval != "" {
 		err, from, to = ResolveIntervalRaw(interval)
+	} else if start := params.Get("start"); start != "" {
+		err, from, to = ResolveIntervalRaw(start)
 	} else {
 		from, err = ParseDate(params.Get("from"))
 		if err != nil {

version.txt

@@ -1 +1 @@
-1.23.7
+1.24.0

views/index.tpl.html

@@ -27,11 +27,11 @@
         <p class="text-center text-gray-500 text-xl my-4">
             <span class="mr-1">💡 The system has tracked a total of </span>
             {{ range $d := .TotalHours | printf "%d" | toRunes }}
-            <span class="bg-gray-900 rounded-sm p-1 border border-gray-700 font-mono" style="margin: auto -2px;" title="{{ $.TotalHours }} hours (updated once a day)">{{ $d }}</span>
+            <span class="bg-gray-900 rounded-sm p-1 border border-gray-700 font-mono" style="margin: auto -2px;" title="{{ $.TotalHours }} hours (updated every hour)">{{ $d }}</span>
             {{ end }}
             <span class="mx-1">hours of coding from</span>
             {{ range $d := .TotalUsers | printf "%d" | toRunes }}
-            <span class="bg-gray-900 rounded-sm p-1 border border-gray-700 font-mono" style="margin: auto -2px;" title="{{ $.TotalUsers }} users (updated once a day)">{{ $d }}</span>
+            <span class="bg-gray-900 rounded-sm p-1 border border-gray-700 font-mono" style="margin: auto -2px;" title="{{ $.TotalUsers }} users (updated every hour)">{{ $d }}</span>
             {{ end }}
             <span class="ml-1">users.</span>
         </p>