feat: add base-url env variable to specify where to listen to

closes #4

.env.example

@@ -1,3 +1,6 @@
+# Base url to listen for requests
+GENESIS_BASE_URL=/
+
 # Database location
 GENESIS_DB_PATH=.data
 

README.md

@@ -41,6 +41,9 @@ docker run -p 8080:8080 -v "$(pwd)/.data:/app/.data" --env-file .env ghcr.io/sim
 
 Genesis should then be accessible under port `8080`.
 
+> [!NOTE]
+> You can specify the base-url via the env variable `GENESIS_BASE_URL`.
+
 ### API
 
 The API is kept as simple as possible, there is nothing more than user, data and account management.

core/config.go

@@ -16,6 +16,7 @@ import (
 
 type AppConfig struct {
 	DbPath             string
+	BaseUrl            string
 	JWTSecret          []byte
 	JWTExpiration      time.Duration
 	JWTCookieAllowHTTP bool
@@ -45,6 +46,7 @@ var Config = func() AppConfig {
 
 	config := AppConfig{
 		DbPath:             resolvePath(os.Getenv("GENESIS_DB_PATH")),
+		BaseUrl:            os.Getenv("GENESIS_BASE_URL"),
 		JWTSecret:          []byte(os.Getenv("GENESIS_JWT_SECRET")),
 		JWTExpiration:      time.Duration(parseInt(os.Getenv("GENESIS_JWT_TOKEN_EXPIRATION"))) * time.Minute,
 		JWTCookieAllowHTTP: os.Getenv("GENESIS_JWT_COOKIE_ALLOW_HTTP") == "true",

routes/setup.go

@@ -12,10 +12,13 @@ func SetupRoutes() *gin.Engine {
 	gin.SetMode(core.Config.AppGinMode)
 
 	// Create router
-	router := gin.New()
+	root := gin.New()
 
 	// Middleware
-	router.Use(gin.Recovery())
+	root.Use(gin.Recovery())
+
+	// Wrap routes under common path
+	router := root.Group(core.Config.BaseUrl)
 
 	// Auth and account endpoints
 	router.POST("/login", Login)
@@ -37,5 +40,5 @@ func SetupRoutes() *gin.Engine {
 	// Heal check endpoints
 	router.GET("/health", Health)
 
-	return router
+	return root
 }