inserted env root path variable

README.md

@@ -240,19 +240,17 @@ theme:
   custom_css: "/path/to/custom.css"
 ```
 
-
 <p align="justify">
 Keep in mind, even if you provide a custom css file, the background and foreground colors will still be applied as long as you provide the correct templating keys in your custom css file like so:
 </p>
 
-```css
+```
 body {
   background: {{.Background}};
   color: {{.Foreground}};
 }
 ```
 
-
 ### Groups
 
 <p align="justify">
@@ -370,3 +368,4 @@ A note entry is used to define a simple text note which has a title and a conten
 
 - **EASY_GATE_CONFIG_PATH:** Easy Gate configuration file path can be provided by this environment variable. The value will have precedence over the configuration file path provided in the command line.
 - **EASY_GATE_CONFIG:** Insted of providing a configuration file, it is possible to provide the entire configuration as a JSON or YAML string in this environment variable. The content of this variable will have precedence over the configuration file.
+- **EASY_GATE_ROOT_PATH:** This environment variable lets you specify a custom root directory for the Easy Gate application.

internal/config/config.go

@@ -9,12 +9,6 @@ import (
 	"gopkg.in/yaml.v3"
 )
 
-// Easy Gate environment variable names
-const (
-	cfgPathEnv = "EASY_GATE_CONFIG_PATH"
-	cfgEnv     = "EASY_GATE_CONFIG"
-)
-
 // Service - Easy Gate service configuration struct
 type Service struct {
 	Icon     string   `json:"icon" yaml:"icon"`

internal/config/config_test.go

@@ -135,6 +135,28 @@ func TestGetPath(t *testing.T) {
 	}
 }
 
+func TestRootPath(t *testing.T) {
+	os.Setenv(rootPathEnv, "")
+	path := GetRootPath()
+	if path != "/" {
+		t.Fatal()
+	}
+
+	os.Setenv(rootPathEnv, "aa")
+	path = GetRootPath()
+	if path != "/aa" {
+		t.Fatal()
+	}
+
+	os.Setenv(rootPathEnv, "../../../abc")
+	path = GetRootPath()
+	if path != "/abc" {
+		t.Fatal()
+	}
+
+	os.Unsetenv(rootPathEnv)
+}
+
 func TestValidate(t *testing.T) {
 	cfg := Config{}
 	err := validateConfig(&cfg)

internal/config/load.go

@@ -7,6 +7,8 @@ import (
 	"os"
 )
 
+const cfgEnv = "EASY_GATE_CONFIG"
+
 // Load - Load configuration from environment or file
 func Load(filePath string) (*Config, string, error) {
 	envCfg := os.Getenv(cfgEnv)

internal/config/path.go

@@ -2,9 +2,22 @@ package config
 
 import (
 	"fmt"
+	"net/url"
 	"os"
 )
 
+const (
+	cfgPathEnv  = "EASY_GATE_CONFIG_PATH"
+	rootPathEnv = "EASY_GATE_ROOT_PATH"
+)
+
+// GetRootPath - Get root directory path from env
+// or return the default value "/"
+func GetRootPath() string {
+	rootPath := os.Getenv(rootPathEnv)
+	return JoinUrlPath("/", rootPath)
+}
+
 // GetConfigPath - Get the path to the configuration file
 func GetConfigPath(args []string) (string, error) {
 	cfgFilePath := os.Getenv(cfgPathEnv)
@@ -18,3 +31,12 @@ func GetConfigPath(args []string) (string, error) {
 
 	return args[1], nil
 }
+
+// JoinUrlPath - Wrapper around url.JoinPath
+func JoinUrlPath(base string, elem ...string) string {
+	path, err := url.JoinPath(base, elem...)
+	if err != nil {
+		url.JoinPath("/", elem...)
+	}
+	return path
+}

internal/engine/engine.go

@@ -8,6 +8,7 @@ import (
 	"github.com/gofiber/fiber/v2"
 	"github.com/gofiber/fiber/v2/middleware/logger"
 	"github.com/gofiber/template/html/v2"
+	"github.com/r7wx/easy-gate/internal/config"
 	"github.com/r7wx/easy-gate/internal/engine/static"
 	"github.com/r7wx/easy-gate/internal/engine/template"
 	"github.com/r7wx/easy-gate/internal/routine"
@@ -39,7 +40,9 @@ func (e Engine) Serve() {
 		TimeFormat: "2006/01/02 15:04:05",
 	}))
 
-	app.Get("/favicon.ico", func(c *fiber.Ctx) error {
+	rootPath := config.GetRootPath()
+
+	app.Get(config.JoinUrlPath(rootPath, "favicon.ico"), func(c *fiber.Ctx) error {
 		data, err := static.StaticFS.ReadFile("public/favicon.ico")
 		if err != nil {
 			return c.SendStatus(http.StatusNotFound)
@@ -49,7 +52,7 @@ func (e Engine) Serve() {
 		return c.Send(data)
 	})
 
-	app.Get("/roboto-regular.ttf", func(c *fiber.Ctx) error {
+	app.Get(config.JoinUrlPath(rootPath, "roboto-regular.ttf"), func(c *fiber.Ctx) error {
 		data, err := static.StaticFS.ReadFile("public/font/roboto-regular.ttf")
 		if err != nil {
 			return c.SendStatus(http.StatusNotFound)
@@ -59,7 +62,7 @@ func (e Engine) Serve() {
 		return c.Send(data)
 	})
 
-	app.Get("/style.css", func(c *fiber.Ctx) error {
+	app.Get(config.JoinUrlPath(rootPath, "style.css"), func(c *fiber.Ctx) error {
 		status, err := e.Routine.GetStatus()
 		if err != nil {
 			c.Status(http.StatusInternalServerError)
@@ -75,10 +78,11 @@ func (e Engine) Serve() {
 		return tmpl.Execute(c, fiber.Map{
 			"Background": status.Theme.Background,
 			"Foreground": status.Theme.Foreground,
+			"FontURL":    config.JoinUrlPath(rootPath, "roboto-regular.ttf"),
 		})
 	})
 
-	app.Get("/", func(c *fiber.Ctx) error {
+	app.Get(rootPath, func(c *fiber.Ctx) error {
 		status, err := e.Routine.GetStatus()
 		if err != nil {
 			c.Status(http.StatusInternalServerError)
@@ -89,13 +93,15 @@ func (e Engine) Serve() {
 		data := getData(status, addr)
 
 		return c.Render("views/index", fiber.Map{
-			"Title": status.Title,
-			"Data":  data,
+			"Title":       status.Title,
+			"Data":        data,
+			"FaviconPath": config.JoinUrlPath(rootPath, "favicon.ico"),
+			"StylePath":   config.JoinUrlPath(rootPath, "style.css"),
 		})
 	})
 
 	app.Use(func(c *fiber.Ctx) error {
-		return c.Redirect("/")
+		return c.Redirect(rootPath)
 	})
 
 	if status.UseTLS {