chore: import upstream snapshot with attribution

cmd/main.go

@@ -0,0 +1,104 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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 answercmd
+
+import (
+	"context"
+	"fmt"
+	"os"
+	"time"
+
+	"github.com/apache/answer/internal/base/conf"
+	"github.com/apache/answer/internal/base/constant"
+	"github.com/apache/answer/internal/base/cron"
+	"github.com/apache/answer/internal/base/path"
+	"github.com/apache/answer/internal/schema"
+	"github.com/gin-gonic/gin"
+	"github.com/joho/godotenv"
+	"github.com/segmentfault/pacman"
+	"github.com/segmentfault/pacman/contrib/log/zap"
+	"github.com/segmentfault/pacman/contrib/server/http"
+	"github.com/segmentfault/pacman/log"
+)
+
+func init() {
+	// Load .env if present, ignore error to keep backward compatibility
+	_ = godotenv.Load()
+}
+
+// go build -ldflags "-X github.com/apache/answer/cmd.Version=x.y.z"
+var (
+	// Name is the name of the project
+	Name = "answer"
+	// Version is the version of the project
+	Version = "0.0.0"
+	// Revision is the git short commit revision number
+	// If built without a Git repository, this field will be empty.
+	Revision = ""
+	// Time is the build time of the project
+	Time = ""
+	// GoVersion is the go version of the project
+	GoVersion = "1.23"
+	// log level
+	logLevel = os.Getenv("LOG_LEVEL")
+	// log path
+	logPath = os.Getenv("LOG_PATH")
+)
+
+// Main
+// @securityDefinitions.apikey ApiKeyAuth
+// @in header
+// @name Authorization
+func Main() {
+	log.SetLogger(zap.NewLogger(
+		log.ParseLevel(logLevel), zap.WithName("answer"), zap.WithPath(logPath)))
+	Execute()
+}
+
+func runApp() {
+	c, err := conf.ReadConfig(path.GetConfigFilePath())
+	if err != nil {
+		panic(err)
+	}
+	app, cleanup, err := initApplication(
+		c.Debug, c.Server, c.Data.Database, c.Data.Cache, c.I18n, c.Swaggerui, c.ServiceConfig, c.UI, log.GetLogger())
+	if err != nil {
+		panic(err)
+	}
+	constant.Version = Version
+	constant.Revision = Revision
+	constant.GoVersion = GoVersion
+	schema.AppStartTime = time.Now()
+	fmt.Println("answer Version:", constant.Version, " Revision:", constant.Revision)
+
+	defer cleanup()
+	if err := app.Run(context.Background()); err != nil {
+		panic(err)
+	}
+}
+
+func newApplication(serverConf *conf.Server, server *gin.Engine, manager *cron.ScheduledTaskManager) *pacman.Application {
+	manager.Run()
+	return pacman.NewApp(
+		pacman.WithName(Name),
+		pacman.WithVersion(Version),
+		pacman.WithServer(http.NewServer(server, serverConf.HTTP.Addr)),
+	)
+}