diff --git a/Tag_test.go b/Tag_test.go
index cd547a89..f94cb4ad 100644
--- a/Tag_test.go
+++ b/Tag_test.go
@@ -17,7 +17,7 @@ package main
 import (
 	"testing"
 
-	"github.com/astaxie/beego"
+	"github.com/casbin/casnode/conf"
 	"github.com/casbin/casnode/object"
 	"github.com/casbin/casnode/service"
 )
@@ -26,7 +26,7 @@ var adapter *object.Adapter
 
 func TestTopicTag(t *testing.T) {
 	topics := []*object.Topic{}
-	adapter = object.NewAdapter(beego.AppConfig.String("driverName"), beego.AppConfig.String("dataSourceName"), beego.AppConfig.String("dbName"))
+	adapter = object.NewAdapter(conf.GetConfigString("driverName"), conf.GetConfigString("dataSourceName"), conf.GetConfigString("dbName"))
 	err := adapter.Engine.Table("topic").Find(&topics)
 	if err != nil {
 		panic(err)
diff --git a/casdoor/adapter.go b/casdoor/adapter.go
index 3345c884..a75339ba 100644
--- a/casdoor/adapter.go
+++ b/casdoor/adapter.go
@@ -17,7 +17,7 @@ package casdoor
 import (
 	"runtime"
 
-	"github.com/astaxie/beego"
+	"github.com/casbin/casnode/conf"
 	_ "github.com/go-sql-driver/mysql"
 	"xorm.io/xorm"
 )
@@ -34,14 +34,14 @@ type Session struct {
 }
 
 func InitCasdoorAdapter() {
-	casdoorDbName := beego.AppConfig.String("casdoorDbName")
+	casdoorDbName := conf.GetConfigString("casdoorDbName")
 	if casdoorDbName == "" {
 		return
 	}
 
-	adapter = NewAdapter(beego.AppConfig.String("driverName"), beego.AppConfig.String("dataSourceName"), beego.AppConfig.String("casdoorDbName"))
+	adapter = NewAdapter(conf.GetConfigString("driverName"), conf.GetConfigDataSourceName(), conf.GetConfigString("casdoorDbName"))
 
-	CasdoorOrganization = beego.AppConfig.String("casdoorOrganization")
+	CasdoorOrganization = conf.GetConfigString("casdoorOrganization")
 }
 
 // Adapter represents the MySQL adapter for policy storage.
diff --git a/conf/conf.go b/conf/conf.go
new file mode 100644
index 00000000..a18fec1c
--- /dev/null
+++ b/conf/conf.go
@@ -0,0 +1,106 @@
+// Copyright 2023 The Casbin Authors. All Rights Reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package conf
+
+import (
+	"fmt"
+	"os"
+	"runtime"
+	"strconv"
+	"strings"
+
+	"github.com/astaxie/beego"
+)
+
+func GetConfigString(key string) string {
+	if value, ok := os.LookupEnv(key); ok {
+		return value
+	}
+
+	res := beego.AppConfig.String(key)
+	if res == "" {
+		if key == "staticBaseUrl" {
+			res = "https://cdn.casbin.org"
+		}
+	}
+
+	return res
+}
+
+func GetConfigBool(key string) (bool, error) {
+	value := GetConfigString(key)
+	if value == "true" {
+		return true, nil
+	} else if value == "false" {
+		return false, nil
+	}
+	return false, fmt.Errorf("value %s cannot be converted into bool", value)
+}
+
+func GetConfigInt64(key string) (int64, error) {
+	value := GetConfigString(key)
+	num, err := strconv.ParseInt(value, 10, 64)
+	return num, err
+}
+
+func GetConfigDataSourceName() string {
+	dataSourceName := GetConfigString("dataSourceName")
+
+	runningInDocker := os.Getenv("RUNNING_IN_DOCKER")
+	if runningInDocker == "true" {
+		// https://stackoverflow.com/questions/48546124/what-is-linux-equivalent-of-host-docker-internal
+		if runtime.GOOS == "linux" {
+			dataSourceName = strings.ReplaceAll(dataSourceName, "localhost", "172.17.0.1")
+		} else {
+			dataSourceName = strings.ReplaceAll(dataSourceName, "localhost", "host.docker.internal")
+		}
+	}
+
+	return dataSourceName
+}
+
+func GetLanguage(language string) string {
+	if language == "" || language == "*" {
+		return "en"
+	}
+
+	if len(language) < 2 {
+		return "en"
+	} else {
+		return language[0:2]
+	}
+}
+
+func IsDemoMode() bool {
+	return strings.ToLower(GetConfigString("isDemoMode")) == "true"
+}
+
+func GetConfigBatchSize() int {
+	res, err := strconv.Atoi(GetConfigString("batchSize"))
+	if err != nil {
+		res = 100
+	}
+	return res
+}
+
+func GetConfigRealDataSourceName(driverName string) string {
+	var dataSourceName string
+	if driverName != "mysql" {
+		dataSourceName = GetConfigDataSourceName()
+	} else {
+		dataSourceName = GetConfigDataSourceName() + GetConfigString("dbName")
+	}
+	return dataSourceName
+}
diff --git a/controllers/account.go b/controllers/account.go
index 8b51a2b7..cf02b4ec 100644
--- a/controllers/account.go
+++ b/controllers/account.go
@@ -18,7 +18,7 @@ import (
 	_ "embed"
 	"strings"
 
-	"github.com/astaxie/beego"
+	"github.com/casbin/casnode/conf"
 	"github.com/casbin/casnode/object"
 	"github.com/casbin/casnode/util"
 	"github.com/casdoor/casdoor-go-sdk/casdoorsdk"
@@ -32,11 +32,11 @@ func init() {
 }
 
 func InitAuthConfig() {
-	casdoorEndpoint := strings.TrimRight(beego.AppConfig.String("casdoorEndpoint"), "/")
-	clientId := beego.AppConfig.String("clientId")
-	clientSecret := beego.AppConfig.String("clientSecret")
-	casdoorOrganization := beego.AppConfig.String("casdoorOrganization")
-	casdoorApplication := beego.AppConfig.String("casdoorApplication")
+	casdoorEndpoint := strings.TrimRight(conf.GetConfigString("casdoorEndpoint"), "/")
+	clientId := conf.GetConfigString("clientId")
+	clientSecret := conf.GetConfigString("clientSecret")
+	casdoorOrganization := conf.GetConfigString("casdoorOrganization")
+	casdoorApplication := conf.GetConfigString("casdoorApplication")
 
 	casdoorsdk.InitConfig(casdoorEndpoint, clientId, clientSecret, JwtPublicKey, casdoorOrganization, casdoorApplication)
 }
diff --git a/discuzx/adapter.go b/discuzx/adapter.go
index 0d219883..60d0bf1b 100644
--- a/discuzx/adapter.go
+++ b/discuzx/adapter.go
@@ -17,7 +17,7 @@ package discuzx
 import (
 	"runtime"
 
-	"github.com/astaxie/beego"
+	"github.com/casbin/casnode/conf"
 	_ "github.com/go-sql-driver/mysql"
 	"xorm.io/xorm"
 )
@@ -25,7 +25,7 @@ import (
 var adapter *Adapter
 
 func InitAdapter() {
-	adapter = NewAdapter(beego.AppConfig.String("driverName"), beego.AppConfig.String("dataSourceName"), dbName)
+	adapter = NewAdapter(conf.GetConfigString("driverName"), conf.GetConfigString("dataSourceName"), dbName)
 }
 
 // Adapter represents the MySQL adapter for policy storage.
diff --git a/discuzx/casdoor_init.go b/discuzx/casdoor_init.go
index bea3ccb7..83758f48 100644
--- a/discuzx/casdoor_init.go
+++ b/discuzx/casdoor_init.go
@@ -15,7 +15,6 @@
 package discuzx
 
 import (
-	"github.com/astaxie/beego"
 	"github.com/casbin/casnode/object"
 )
 
@@ -27,6 +26,6 @@ var (
 func init() {
 	object.InitConfig()
 
-	CasdoorOrganization = beego.AppConfig.String("casdoorOrganization")
-	CasdoorApplication = beego.AppConfig.String("casdoorApplication")
+	CasdoorOrganization = conf.GetConfigString("casdoorOrganization")
+	CasdoorApplication = conf.GetConfigString("casdoorApplication")
 }
diff --git a/main.go b/main.go
index 974da00f..ff349377 100644
--- a/main.go
+++ b/main.go
@@ -19,6 +19,7 @@ import (
 	"github.com/astaxie/beego/plugins/cors"
 	_ "github.com/astaxie/beego/session/redis"
 	"github.com/casbin/casnode/casdoor"
+	"github.com/casbin/casnode/conf"
 	"github.com/casbin/casnode/object"
 	"github.com/casbin/casnode/routers"
 	"github.com/casbin/casnode/service"
@@ -53,12 +54,12 @@ func main() {
 	beego.InsertFilter("*", beego.BeforeRouter, routers.Static)
 	beego.InsertFilter("*", beego.BeforeRouter, routers.AutoSigninFilter)
 
-	if beego.AppConfig.String("redisEndpoint") == "" {
+	if conf.GetConfigString("redisEndpoint") == "" {
 		beego.BConfig.WebConfig.Session.SessionProvider = "file"
 		beego.BConfig.WebConfig.Session.SessionProviderConfig = "./tmp"
 	} else {
 		beego.BConfig.WebConfig.Session.SessionProvider = "redis"
-		beego.BConfig.WebConfig.Session.SessionProviderConfig = beego.AppConfig.String("redisEndpoint")
+		beego.BConfig.WebConfig.Session.SessionProviderConfig = conf.GetConfigString("redisEndpoint")
 	}
 	beego.BConfig.WebConfig.Session.SessionGCMaxLifetime = 3600 * 24 * 30
 
diff --git a/object/adapter.go b/object/adapter.go
index 24c7c8bf..f43790db 100644
--- a/object/adapter.go
+++ b/object/adapter.go
@@ -19,6 +19,7 @@ import (
 	"runtime"
 
 	"github.com/astaxie/beego"
+	"github.com/casbin/casnode/conf"
 	_ "github.com/go-sql-driver/mysql"
 	"xorm.io/xorm"
 )
@@ -43,11 +44,11 @@ func InitConfig() {
 }
 
 func InitAdapter() {
-	adapter = NewAdapter(beego.AppConfig.String("driverName"), beego.AppConfig.String("dataSourceName"), beego.AppConfig.String("dbName"))
+	adapter = NewAdapter(conf.GetConfigString("driverName"), conf.GetConfigDataSourceName(), conf.GetConfigString("dbName"))
 	adapter.createTable()
 
-	CasdoorOrganization = beego.AppConfig.String("casdoorOrganization")
-	CasdoorApplication = beego.AppConfig.String("casdoorApplication")
+	CasdoorOrganization = conf.GetConfigString("casdoorOrganization")
+	CasdoorApplication = conf.GetConfigString("casdoorApplication")
 }
 
 // Adapter represents the MySQL adapter for policy storage.
diff --git a/object/avatar.go b/object/avatar.go
index 4e446524..de656856 100644
--- a/object/avatar.go
+++ b/object/avatar.go
@@ -17,10 +17,10 @@ package object
 import (
 	"fmt"
 
-	"github.com/astaxie/beego"
+	"github.com/casbin/casnode/conf"
 )
 
-var CasdoorStorageEndpoint = beego.AppConfig.String("casdoorStorageEndpoint")
+var CasdoorStorageEndpoint = conf.GetConfigString("casdoorStorageEndpoint")
 
 func getUserAvatar(username string) string {
 	return fmt.Sprintf("%scasdoor/avatar/%s/%s.png", CasdoorStorageEndpoint, CasdoorOrganization, username)
diff --git a/object/conf.go b/object/conf.go
index 6d9da469..8c462692 100644
--- a/object/conf.go
+++ b/object/conf.go
@@ -14,7 +14,7 @@
 
 package object
 
-import "github.com/astaxie/beego"
+import "github.com/casbin/casnode/conf"
 
 var (
 	DefaultPageNum             = 20
@@ -45,8 +45,8 @@ var (
 	DefaultTopTopicTime        = 10   // minutes
 	OnlineMemberExpiedTime     = 10   // minutes
 	DefaultUploadFileQuota     = 50
-	Domain                     = beego.AppConfig.String("domain") // domain
-	AutoSyncPeriodSecond       = -1                               // auto sync is disabled if < 30
+	Domain                     = conf.GetConfigString("domain") // domain
+	AutoSyncPeriodSecond       = -1                             // auto sync is disabled if < 30
 
 	DefaultCronJobs = []*CronJob{
 		{
diff --git a/object/notification.go b/object/notification.go
index 15833e2f..8e954409 100644
--- a/object/notification.go
+++ b/object/notification.go
@@ -19,7 +19,7 @@ import (
 	"strconv"
 	"sync"
 
-	"github.com/astaxie/beego"
+	"github.com/casbin/casnode/conf"
 	"github.com/casbin/casnode/service"
 	"github.com/casbin/casnode/util"
 )
@@ -308,12 +308,12 @@ func AddTopicNotification(objectId int, author, content string) {
 
 func sendRemindMail(title string, content string, topicId string, sender string, receiver string, domain string) error {
 	fromName := ""
-	conf := GetFrontConfById("forumName")
-	if conf != nil {
-		fromName = conf.Value
+	frontConfig := GetFrontConfById("forumName")
+	if frontConfig != nil {
+		fromName = frontConfig.Value
 	}
 	if fromName == "" {
-		fromName = beego.AppConfig.String("appname")
+		fromName = conf.GetConfigString("appname")
 	}
 
 	return service.SendRemindMail(fromName, title, content, topicId, sender, receiver, domain)
diff --git a/object/proxy.go b/object/proxy.go
index 55c147b0..3e24d5c9 100644
--- a/object/proxy.go
+++ b/object/proxy.go
@@ -20,7 +20,7 @@ import (
 	"net/http"
 	"time"
 
-	"github.com/astaxie/beego"
+	"github.com/casbin/casnode/conf"
 	"golang.org/x/net/proxy"
 )
 
@@ -48,7 +48,7 @@ func isAddressOpen(address string) bool {
 }
 
 func getProxyHttpClient() *http.Client {
-	httpProxy := beego.AppConfig.String("httpProxy")
+	httpProxy := conf.GetConfigString("httpProxy")
 	if httpProxy == "" {
 		return &http.Client{}
 	}
diff --git a/object/reply.go b/object/reply.go
index 71314605..07a93d83 100644
--- a/object/reply.go
+++ b/object/reply.go
@@ -18,7 +18,7 @@ import (
 	"fmt"
 	"time"
 
-	"github.com/astaxie/beego"
+	"github.com/casbin/casnode/conf"
 	"github.com/casdoor/casdoor-go-sdk/casdoorsdk"
 )
 
@@ -39,7 +39,7 @@ type Reply struct {
 	GitterMessageId string   `xorm:"varchar(100)" json:"gitterMessageId"`
 }
 
-var enableNestedReply, _ = beego.AppConfig.Bool("enableNestedReply")
+var enableNestedReply, _ = conf.GetConfigBool("enableNestedReply")
 
 // GetReplyCount returns all replies num so far, both deleted and not deleted.
 func GetReplyCount() int {
diff --git a/object/util.go b/object/util.go
index 1261ed32..c2360b60 100644
--- a/object/util.go
+++ b/object/util.go
@@ -17,7 +17,7 @@ package object
 import (
 	"strconv"
 
-	"github.com/astaxie/beego"
+	"github.com/casbin/casnode/conf"
 	"github.com/casdoor/casdoor-go-sdk/casdoorsdk"
 )
 
@@ -42,7 +42,7 @@ func SetUserField(user *casdoorsdk.User, field string, value string) {
 }
 
 func getInitScore() int {
-	score, err := strconv.Atoi(beego.AppConfig.String("initScore"))
+	score, err := strconv.Atoi(conf.GetConfigString("initScore"))
 	if err != nil {
 		panic(err)
 	}
diff --git a/routers/filter_ssr.go b/routers/filter_ssr.go
index a3e7351e..347e5bc9 100644
--- a/routers/filter_ssr.go
+++ b/routers/filter_ssr.go
@@ -10,8 +10,8 @@ import (
 	"sync"
 	"time"
 
-	"github.com/astaxie/beego"
 	"github.com/astaxie/beego/context"
+	"github.com/casbin/casnode/conf"
 )
 
 // var chromeCtx ctx.Context
@@ -69,11 +69,11 @@ func InitChromeDp() {
 	isChromeInit = true
 	isChromeInstalled = isChromeFound()
 	if isChromeInstalled {
-		chromeCtxNum, _ := beego.AppConfig.Int("chromeCtxNum")
+		chromeCtxNum, _ := conf.GetConfigInt64("chromeCtxNum")
 		if chromeCtxNum <= 0 {
 			chromeCtxNum = 1 // default
 		}
-		chromeCtxPool = NewSsrPool(chromeCtxNum)
+		chromeCtxPool = NewSsrPool(int(chromeCtxNum))
 	}
 	go chromeCtxPool.Run() // start ssr_pool
 }
diff --git a/routers/ssr_pool.go b/routers/ssr_pool.go
index f1591b20..c415e23c 100644
--- a/routers/ssr_pool.go
+++ b/routers/ssr_pool.go
@@ -8,9 +8,9 @@ import (
 	"sync"
 	"time"
 
-	"github.com/astaxie/beego"
 	"github.com/astaxie/beego/context"
 	"github.com/astaxie/beego/logs"
+	"github.com/casbin/casnode/conf"
 	"github.com/chromedp/chromedp"
 )
 
@@ -49,7 +49,7 @@ func NewSsrPool(cap int) *SsrPool {
 }
 
 func render(chromeCtx ctx.Context, url string) (string, error) {
-	cacheExpireSeconds, err := beego.AppConfig.Int64("cacheExpireSeconds")
+	cacheExpireSeconds, err := conf.GetConfigInt64("cacheExpireSeconds")
 	if err != nil {
 		return "", err
 	}