change logging format

.gitignore

@@ -1 +1,2 @@
 fes
+*.tar.gz

Dockerfile

@@ -4,24 +4,17 @@ WORKDIR /src
 
 RUN apk add --no-cache git build-base
 
-COPY go.mod go.sum ./
-RUN go mod download
-
 COPY . .
 
-ENV CGO_ENABLED=0
-ENV GOOS=linux
-ENV GOARCH=amd64
+RUN make
 
-RUN go build -ldflags="-X fes/modules/version.gitCommit=$(git rev-parse --short HEAD) -s -w" -o fes
+FROM alpine:3.19
 
-FROM scratch
-
-COPY --from=builder /src/fes /fes
+COPY --from=builder /src/fes /usr/local/bin/fes
 
 WORKDIR /app
 
-EXPOSE 8080
+EXPOSE 3000
 
-ENTRYPOINT ["/fes"]
+ENTRYPOINT ["/usr/local/bin/fes"]
 CMD ["run", "/app"]

main.go

@@ -6,6 +6,7 @@ import (
 	"flag"
 	"fmt"
 	"os"
+	"runtime"
 
 	"github.com/fatih/color"
 
@@ -13,6 +14,7 @@ import (
 	"fes/modules/doc"
 	"fes/modules/new"
 	"fes/modules/server"
+	"fes/modules/ui"
 	"fes/modules/version"
 )
 
@@ -29,18 +31,21 @@ func init() {
 	config.Docker = flag.Bool("docker", false, "Create a docker project")
 	config.Lib = lib
 	config.Doc = documentation
+	config.Verbose = flag.Bool("verbose", false, "Enable verbose logging")
 }
 
 func main() {
+	var m runtime.MemStats
+
 	flag.Usage = func() {
 		fmt.Fprintf(flag.CommandLine.Output(), "Usage: %s [options] <command> <project_dir>\n", os.Args[0])
-		fmt.Fprintf(os.Stderr, "Commands:")
-		fmt.Fprintf(os.Stderr, "  new <project_dir>   Create a new project")
-		fmt.Fprintf(os.Stderr, "  doc                 Open documentation")
-		fmt.Fprintf(os.Stderr, "  run <project_dir>   Start the server")
-		fmt.Fprintf(os.Stderr, "Options:")
+		fmt.Fprintln(flag.CommandLine.Output(), "Commands:")
+		fmt.Fprintln(flag.CommandLine.Output(), "  new <project_dir>   Create a new project")
+		fmt.Fprintln(flag.CommandLine.Output(), "  doc                 Open documentation")
+		fmt.Fprintln(flag.CommandLine.Output(), "  run <project_dir>   Start the server")
+		fmt.Fprintln(flag.CommandLine.Output(), "Options:")
 		flag.PrintDefaults()
-		fmt.Fprintf(os.Stderr, "For bug reports, contact a developer and describe the issue. Provide the output of the `-V1` flag.")
+		fmt.Fprintln(flag.CommandLine.Output(), "For bug reports, contact a developer and describe the issue. Provide the output of the `-V1` flag.")
 	}
 
 	showVersion := flag.Bool("version", false, "Show version and exit")
@@ -60,6 +65,10 @@ func main() {
 		color.NoColor = true
 	}
 
+	if *config.Port == 3000 {
+		ui.WARNING("Using default port, this may lead to conflicts with other services")
+	}
+
 	args := flag.Args()
 	if len(args) < 1 {
 		flag.Usage()
@@ -89,6 +98,12 @@ func main() {
 			os.Exit(1)
 		}
 	case "run":
+		ui.Log("Fes is starting")
+		ui.Log("Fes version=%s, commit=%s, just started", version.VERSION, version.GetCommit())
+
+		runtime.ReadMemStats(&m)
+		ui.Log("FRE memory usage when created %v Mb", m.TotalAlloc/1024/1024)
+
 		if err := server.Start(dir); err != nil {
 			if errors.Is(err, os.ErrNotExist) {
 				fmt.Fprintf(os.Stderr, "%s does not exist\n", dir)

modules/config/config.go

@@ -11,6 +11,7 @@ var Port *int
 var Color *bool
 var Static *bool
 var Docker *bool
+var Verbose *bool
 
 type AppConfig struct {
 	App struct {

modules/server/server.go

@@ -1,11 +1,10 @@
 package server
 
 import (
+	"errors"
 	"fes/modules/config"
 	"fes/modules/ui"
 	"fmt"
-	"github.com/pelletier/go-toml/v2"
-	lua "github.com/yuin/gopher-lua"
 	"html/template"
 	"io/fs"
 	"net/http"
@@ -15,6 +14,9 @@ import (
 	"sort"
 	"strings"
 	"time"
+
+	"github.com/pelletier/go-toml/v2"
+	lua "github.com/yuin/gopher-lua"
 )
 
 /* this is the request data we pass over the bus to the application, via the fes.bus interface */
@@ -378,18 +380,26 @@ func loadDirs() map[string]string {
 
 /* helper to parse the Fes.toml and generate config */
 func parseConfig() config.AppConfig {
+	defaultCfg := config.AppConfig{}
+	defaultCfg.App.Authors = []string{"unknown"}
+	defaultCfg.App.Name = "unknown"
+	defaultCfg.App.Version = "unknown"
+
 	tomlDocument, err := os.ReadFile("Fes.toml")
 	if err != nil {
-		ui.Error("failed to read Fes.toml", err)
-		os.Exit(1)
+		if errors.Is(err, os.ErrNotExist) {
+			ui.WARN("no config file found, using the default config. In order to specify a config file write to Fes.toml")
+			return defaultCfg
+		} else {
+			ui.Error("failed to read Fes.toml", err)
+			os.Exit(1)
+		}
 	}
 	docStr := fixMalformedToml(string(tomlDocument))
 	var cfg config.AppConfig
 	if err := toml.Unmarshal([]byte(docStr), &cfg); err != nil {
 		ui.Warning("failed to parse Fes.toml", err)
-		cfg.App.Authors = []string{"unknown"}
-		cfg.App.Name = "unknown"
-		cfg.App.Version = "unknown"
+		cfg = defaultCfg
 	}
 	return cfg
 }
@@ -414,6 +424,8 @@ func Start(dir string) error {
 		return ui.Error(fmt.Sprintf("failed to change directory to %s", dir), err)
 	}
 
+	ui.Log("Running root=%s, port=%d.", filepath.Clean(dir), *config.Port)
+
 	cfg := parseConfig()
 	notFoundData := generateNotFoundData(&cfg)
 	routes := loadDirs()
@@ -465,7 +477,8 @@ func Start(dir string) error {
 
 		w.Write(data)
 	})
+	ui.Log("Server initialized")
 
-	fmt.Printf("Server is running on http://localhost:%d\n", *config.Port)
+	ui.Log("Ready to accept connections tcp")
 	return http.ListenAndServe(fmt.Sprintf("0.0.0.0:%d", *config.Port), nil)
 }

modules/ui/ui.go

@@ -4,75 +4,114 @@ import (
 	"errors"
 	"fmt"
 	"strings"
+	"time"
 
 	"fes/modules/config"
-	"fes/modules/version"
 
 	"github.com/fatih/color"
 )
 
 const (
-	hint_color = 0xbda02a
+	hintColor = 0xbda02a
 )
 
-/* print out the current path (route) and relevant error */
-func Path(path string, err error) {
-	path = strings.TrimPrefix(path, "/")
+func formatTimestamp() string {
+	return time.Now().Format("02 Jan 2006 15:04")
+}
 
-	if path == "" {
-		path = "(null)"
-	}
-
-	fmt.Printf(" > %s ", path)
-	if err == nil {
-		OK("ok")
-		return
-	} else if errors.Is(err, config.ErrRouteMiss) {
-		WARN(config.ErrRouteMiss.Error())
+func logMessage(prefix string, msg string, args ...any) {
+	formatted := fmt.Sprintf(msg, args...)
+	if prefix == "" {
+		fmt.Printf("%s * %s\n", formatTimestamp(), formatted)
 	} else {
-		ERROR("bad")
+		fmt.Printf("%s * %s: %s\n", formatTimestamp(), prefix, formatted)
 	}
 }
 
-/* print general system warning */
-func Warning(msg string, err error) error {
-	fmt.Printf("%s: %s: %v\n", version.PROGRAM_NAME, color.MagentaString("warning"), err)
-	return err
+// Generic log
+func Log(msg string, args ...any) {
+	logMessage("", msg, args...)
 }
 
-/* print general system error */
-func Error(msg string, err error) error {
-	fmt.Printf("%s: %s: %v\n", version.PROGRAM_NAME, color.RedString("error"), err)
-	return err
+// OK message (green)
+func OK(msg string, args ...any) {
+	formatted := fmt.Sprintf(msg, args...)
+	color.Green("%s * %s\n", formatTimestamp(), formatted)
 }
 
-/* print fatality and panic */
-func Fatal(msg string, err error) error {
-	fmt.Printf("%s: %s: %v\n", version.PROGRAM_NAME, color.RedString("fatal"), err)
-	panic(err)
+// Warning message (magenta)
+func WARN(msg string, args ...any) {
+	formatted := fmt.Sprintf(msg, args...)
+	color.Magenta("%s # %s\n", formatTimestamp(), formatted)
 }
 
-/* print a useful hint to the user */
-func Hint(format string, args ...any) {
+// Warning message (magenta)
+func WARNING(msg string, args ...any) {
+	formatted := fmt.Sprintf(msg, args...)
+	color.Magenta("%s # WARNING %s\n", formatTimestamp(), formatted)
+}
+
+// Error message (red)
+func ERROR(msg string, args ...any) {
+	formatted := fmt.Sprintf(msg, args...)
+	color.Red("%s ! %s\n", formatTimestamp(), formatted)
+}
+
+// Fatal message and panic
+func FATAL(msg string, args ...any) {
+	formatted := fmt.Sprintf(msg, args...)
+	color.Red("%s % %s\n", formatTimestamp(), formatted)
+	panic(formatted)
+}
+
+// Hint message (custom color)
+func Hint(msg string, args ...any) {
+	formatted := fmt.Sprintf(msg, args...)
 	color.RGB(func(hex int) (r, g, b int) {
 		r = (hex >> 16) & 0xFF
 		g = (hex >> 8) & 0xFF
 		b = hex & 0xFF
 		return
-	}(hint_color)).Printf("hint: %s\n", fmt.Sprintf(format, args...))
+	}(hintColor)).Printf("%s * hint: %s\n", formatTimestamp(), formatted)
 }
 
-/* print message using the ok status color */
-func OK(msg string) {
-	color.Green(msg)
+// Path logging: prints route and status
+func Path(path string, err error) {
+	path = strings.TrimPrefix(path, "/")
+	if path == "" {
+		path = "(null)"
+	}
+
+	if err == nil {
+		OK("Route: %s - ok", path)
+	} else if errors.Is(err, config.ErrRouteMiss) {
+		WARN("Route: %s - %s", path, config.ErrRouteMiss.Error())
+	} else {
+		ERROR("Route: %s - bad", path)
+	}
 }
 
-/* print message using the warning status color */
-func WARN(msg string) {
-	color.Magenta(msg)
+// System warning with prefix
+func Warning(msg string, err error) error {
+	WARN("%s: %v", msg, err)
+	return err
 }
 
-/* print message using the error status color */
-func ERROR(msg string) {
-	color.Red(msg)
+// System error with prefix
+func Error(msg string, err error) error {
+	ERROR("%s: %v", msg, err)
+	return err
+}
+
+// Fatal system error
+func Fatal(msg string, err error) error {
+	FATAL("%s: %v", msg, err)
+	return err
+}
+
+// Log on Verbose
+func LogVerbose(msg string, args ...any) {
+	if *config.Verbose {
+		Log(msg, args...)
+	}
 }

modules/version/version.go

@@ -9,7 +9,7 @@ var gitCommit string = "devel"
 
 const PROGRAM_NAME string = "fes"
 const PROGRAM_NAME_LONG string = "fes/fSD"
-const VERSION string = "beta"
+const VERSION string = "0.2.0"
 
 func Version() {
 	fmt.Printf("%s version %s\n", PROGRAM_NAME_LONG, VERSION)
@@ -20,3 +20,7 @@ func FullVersion() {
 	fmt.Printf("%s+%s\n", VERSION, gitCommit)
 	os.Exit(0)
 }
+
+func GetCommit() string {
+	return gitCommit
+}