add logger

.env

@@ -1,5 +1,6 @@
-ENV=            #empty|development
+ENV=            #empty|development|debug
 PHOTO_DIR=images
 HOST=0.0.0.0
 PORT=8080
 INTERVAL_DEFAULT=10
+LOG_PATH= #path for logger files default .

env/enviroment.go

@@ -13,6 +13,7 @@ const (
 	Host            EnvKey = "HOST"
 	Port            EnvKey = "PORT"
 	IntervalDefault EnvKey = "INTERVAL_DEFAULT"
+	LogPath         EnvKey = "LOG_PATH"
 )
 
 type EnvKey string

go.mod

@@ -3,7 +3,14 @@ module slideshowApp
 go 1.25.4
 
 require (
+	gitea.tecamino.com/paadi/tecamino-logger v1.0.0
 	github.com/gorilla/mux v1.8.1
 	github.com/gorilla/websocket v1.5.3
 	github.com/joho/godotenv v1.5.1
 )
+
+require (
+	go.uber.org/multierr v1.10.0 // indirect
+	go.uber.org/zap v1.27.0 // indirect
+	gopkg.in/natefinch/lumberjack.v2 v2.2.1 // indirect
+)

go.sum

@@ -1,6 +1,24 @@
+gitea.tecamino.com/paadi/tecamino-logger v1.0.0 h1:Quk0UJerOCy7xbHWYOuBXk0FQIgx4arjVDMt2ahvaO0=
+gitea.tecamino.com/paadi/tecamino-logger v1.0.0/go.mod h1:FkzRTldUBBOd/iy2upycArDftSZ5trbsX5Ira5OzJgM=
+github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/gorilla/mux v1.8.1 h1:TuBL49tXwgrFYWhqrNgrUNEY92u81SPhu7sTdzQEiWY=
 github.com/gorilla/mux v1.8.1/go.mod h1:AKf9I4AEqPTmMytcMc0KkNouC66V3BtZ4qD5fmWSiMQ=
 github.com/gorilla/websocket v1.5.3 h1:saDtZ6Pbx/0u+bgYQ3q96pZgCzfhKXGPqt7kZ72aNNg=
 github.com/gorilla/websocket v1.5.3/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
 github.com/joho/godotenv v1.5.1 h1:7eLL/+HRGLY0ldzfGMeQkb7vMd0as4CfYvUVzLqw0N0=
 github.com/joho/godotenv v1.5.1/go.mod h1:f4LDr5Voq0i2e/R5DDNOoa2zzDfwtkZa6DnEwAbqwq4=
+github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
+github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/stretchr/testify v1.8.1 h1:w7B6lhMri9wdJUVmEZPGGhZzrYTPvgJArz7wNPgYKsk=
+github.com/stretchr/testify v1.8.1/go.mod h1:w2LPCIKwWwSfY2zedu0+kehJoqGctiVI29o6fzry7u4=
+go.uber.org/goleak v1.3.0 h1:2K3zAYmnTNqV73imy9J1T3WC+gmCePx2hEGkimedGto=
+go.uber.org/goleak v1.3.0/go.mod h1:CoHD4mav9JJNrW/WLlf7HGZPjdw8EucARQHekz1X6bE=
+go.uber.org/multierr v1.10.0 h1:S0h4aNzvfcFsC3dRF1jLoaov7oRaKqRGC/pUEJ2yvPQ=
+go.uber.org/multierr v1.10.0/go.mod h1:20+QtiLqy0Nd6FdQB9TLXag12DsQkrbs3htMFfDN80Y=
+go.uber.org/zap v1.27.0 h1:aJMhYGrd5QSmlpLMr2MftRKl7t8J8PTZPA732ud/XR8=
+go.uber.org/zap v1.27.0/go.mod h1:GB2qFLM7cTU87MWRP2mPIjqfIDnGu+VIO4V/SdhGo2E=
+gopkg.in/natefinch/lumberjack.v2 v2.2.1 h1:bBRl1b0OH9s/DuPhuXpNl+VtCaJXFZ5/uEFST95x9zc=
+gopkg.in/natefinch/lumberjack.v2 v2.2.1/go.mod h1:YD8tP3GAjkrDg1eZH7EGmyESg/lsYskCTPBJVb9jqSc=
+gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
+gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

main.go

@@ -10,6 +10,7 @@ import (
 	"slideshowApp/utils"
 	"time"
 
+	"gitea.tecamino.com/paadi/tecamino-logger/logging"
 	"github.com/gorilla/mux"
 )
 
@@ -17,16 +18,28 @@ var staticFolder = "./web/static/"
 
 func main() {
 
+	logConfig := logging.DefaultConfig()
+	logConfig.Debug = env.Env.GetValue() == "debug"
+
+	logger, err := logging.NewLogger(env.LogPath.GetValue(), logConfig)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	logger.Debug("main", "load enviroment variable")
 	env.Load(".env")
 
 	r := mux.NewRouter()
 
 	uploadFolder := env.PhotoDir.GetValue()
+	logger.Debug("main", "uploadfolder: "+uploadFolder)
 
 	if _, err := os.Stat(uploadFolder); err != nil {
 		fmt.Println("upload folder for images not found: ", uploadFolder)
+		logger.Error("main", "upload folder for images not found: "+uploadFolder)
 		fmt.Println("use fallback folder")
 		uploadFolder = "./images"
+		logger.Info("main", "use fallback uploadfolder: "+uploadFolder)
 		env.PhotoDir.SetValue(uploadFolder)
 
 	}
@@ -60,11 +73,15 @@ func main() {
 	port := env.Port.GetValue()
 	url := fmt.Sprintf("%s:%s", host, port)
 	go func() {
+		logger.Debug("main", "start go routine with a 3 second wait")
 		time.Sleep(3 * time.Second)
-		if err := utils.OpenBrowser(fmt.Sprintf("%s:%s/slideshow", handlers.GetLocalIP(), port)); err != nil {
-			fmt.Println(err)
+		if err := utils.OpenBrowser(logger, fmt.Sprintf("%s:%s/slideshow", handlers.GetLocalIP(), port)); err != nil {
+			logger.Error("main", err)
 		}
 	}()
 	fmt.Println("Server running at", url)
-	log.Fatal(http.ListenAndServe(url, r))
+	logger.Info("main", "Server running at: "+url)
+	if err := http.ListenAndServe(url, r); err != nil {
+		logger.Error("main", err)
+	}
 }

utils/utils.go

@@ -5,13 +5,17 @@ import (
 	"os"
 	"os/exec"
 	"runtime"
+	"strings"
+
+	"gitea.tecamino.com/paadi/tecamino-logger/logging"
 )
 
-func OpenBrowser(url string) error {
+func OpenBrowser(logger *logging.Logger, url string) error {
 	var commands [][]string
 
 	switch runtime.GOOS {
 	case "windows":
+		logger.Debug("OpenBrowser", "os: windows")
 		commands = [][]string{
 			// Chrome (most common)
 			{`C:\Program Files\Google\Chrome\Application\chrome.exe`, "--kiosk", url},
@@ -30,6 +34,7 @@ func OpenBrowser(url string) error {
 		}
 
 	case "darwin":
+		logger.Debug("OpenBrowser", "os: windows")
 		commands = [][]string{
 			// Chrome
 			{"/Applications/Google Chrome.app/Contents/MacOS/Google Chrome", "--kiosk", url},
@@ -48,6 +53,7 @@ func OpenBrowser(url string) error {
 		}
 
 	default: // Linux
+		logger.Debug("OpenBrowser", "os: linux")
 		if os.Getenv("DISPLAY") == "" &&
 			os.Getenv("WAYLAND_DISPLAY") == "" &&
 			os.Getenv("XDG_SESSION_TYPE") != "wayland" {
@@ -71,6 +77,7 @@ func OpenBrowser(url string) error {
 	for _, cmd := range commands {
 		execCmd := exec.Command(cmd[0], cmd[1:]...)
 		if err := execCmd.Start(); err == nil {
+			logger.Debug("OpenBrowser", "browser started with command: "+strings.Join(cmd, ", "))
 			return nil
 		} else {
 			return err