fix(insights): check if running in a container

Signed-off-by: Deluan <deluan@navidrome.org>

Dockerfile

@@ -134,6 +134,7 @@ ENV ND_MUSICFOLDER=/music
 ENV ND_DATAFOLDER=/data
 ENV ND_PORT=4533
 ENV GODEBUG="asyncpreemptoff=1"
+RUN touch /.nddockerenv
 
 EXPOSE ${ND_PORT}
 HEALTHCHECK CMD wget -O- http://localhost:${ND_PORT}/ping || exit 1

consts/consts.go

@@ -3,6 +3,7 @@ package consts
 import (
 	"crypto/md5"
 	"fmt"
+	"os"
 	"path/filepath"
 	"strings"
 	"time"
@@ -134,3 +135,11 @@ var (
 
 	ServerStart = time.Now()
 )
+
+var InContainer = func() bool {
+	// Check if the /.nddockerenv file exists
+	if _, err := os.Stat("/.nddockerenv"); err == nil {
+		return true
+	}
+	return false
+}()

core/metrics/insights.go

@@ -151,6 +151,7 @@ var staticData = sync.OnceValue(func() insights.Data {
 
 	// Build info
 	data.Build.Settings, data.Build.GoVersion = buildInfo()
+	data.OS.Containerized = consts.InContainer
 
 	// OS info
 	data.OS.Type = runtime.GOOS

core/metrics/insights/data.go

@@ -10,11 +10,12 @@ type Data struct {
 		GoVersion string            `json:"goVersion"`
 	} `json:"build"`
 	OS struct {
-		Type    string `json:"type"`
-		Distro  string `json:"distro,omitempty"`
-		Version string `json:"version,omitempty"`
-		Arch    string `json:"arch"`
-		NumCPU  int    `json:"numCPU"`
+		Type          string `json:"type"`
+		Distro        string `json:"distro,omitempty"`
+		Version       string `json:"version,omitempty"`
+		Containerized bool   `json:"containerized"`
+		Arch          string `json:"arch"`
+		NumCPU        int    `json:"numCPU"`
 	} `json:"os"`
 	Mem struct {
 		Alloc      uint64 `json:"alloc"`