feat: Remove outdated Swagger documentation files and update database configuration handling

.env

@@ -0,0 +1,6 @@
+DB_HOST=localhost
+DB_PORT=5432
+DB_USER=timetracker
+DB_PASSWORD=password
+DB_NAME=timetracker
+DB_SSLMODE=disable

backend/cmd/api/docs/docs.go

@@ -1,62 +0,0 @@
-// Package docs Code generated by swaggo/swag. DO NOT EDIT
-package docs
-
-import "github.com/swaggo/swag"
-
-const docTemplate = `{
-    "schemes": {{ marshal .Schemes }},
-    "swagger": "2.0",
-    "info": {
-        "description": "{{escape .Description}}",
-        "title": "{{.Title}}",
-        "contact": {},
-        "version": "{{.Version}}"
-    },
-    "host": "{{.Host}}",
-    "basePath": "{{.BasePath}}",
-    "paths": {
-        "/": {
-            "get": {
-                "description": "Get a hello message",
-                "produces": [
-                    "text/plain"
-                ],
-                "summary": "Say hello",
-                "operationId": "hello",
-                "responses": {
-                    "200": {
-                        "description": "Hello from the Time Tracker Backend!",
-                        "schema": {
-                            "type": "string"
-                        }
-                    }
-                }
-            }
-        }
-    },
-    "securityDefinitions": {
-        "BearerAuth": {
-            "type": "apiKey",
-            "name": "Authorization",
-            "in": "header"
-        }
-    }
-}`
-
-// SwaggerInfo holds exported Swagger Info so clients can modify it
-var SwaggerInfo = &swag.Spec{
-	Version:          "1.0",
-	Host:             "localhost:8080",
-	BasePath:         "/api",
-	Schemes:          []string{},
-	Title:            "Time Tracker API",
-	Description:      "This is a simple time tracker API.",
-	InfoInstanceName: "swagger",
-	SwaggerTemplate:  docTemplate,
-	LeftDelim:        "{{",
-	RightDelim:       "}}",
-}
-
-func init() {
-	swag.Register(SwaggerInfo.InstanceName(), SwaggerInfo)
-}

backend/cmd/api/docs/swagger.json

@@ -1,38 +0,0 @@
-{
-    "swagger": "2.0",
-    "info": {
-        "description": "This is a simple time tracker API.",
-        "title": "Time Tracker API",
-        "contact": {},
-        "version": "1.0"
-    },
-    "host": "localhost:8080",
-    "basePath": "/api",
-    "paths": {
-        "/": {
-            "get": {
-                "description": "Get a hello message",
-                "produces": [
-                    "text/plain"
-                ],
-                "summary": "Say hello",
-                "operationId": "hello",
-                "responses": {
-                    "200": {
-                        "description": "Hello from the Time Tracker Backend!",
-                        "schema": {
-                            "type": "string"
-                        }
-                    }
-                }
-            }
-        }
-    },
-    "securityDefinitions": {
-        "BearerAuth": {
-            "type": "apiKey",
-            "name": "Authorization",
-            "in": "header"
-        }
-    }
-}

backend/cmd/api/docs/swagger.yaml

@@ -1,26 +0,0 @@
-basePath: /api
-host: localhost:8080
-info:
-  contact: {}
-  description: This is a simple time tracker API.
-  title: Time Tracker API
-  version: "1.0"
-paths:
-  /:
-    get:
-      description: Get a hello message
-      operationId: hello
-      produces:
-      - text/plain
-      responses:
-        "200":
-          description: Hello from the Time Tracker Backend!
-          schema:
-            type: string
-      summary: Say hello
-securityDefinitions:
-  BearerAuth:
-    in: header
-    name: Authorization
-    type: apiKey
-swagger: "2.0"

backend/cmd/api/main.go

@@ -7,6 +7,7 @@ import (
 	"net/http"
 	"os"
 	"os/signal"
+	"strconv"
 	"syscall"
 	"time"
 
@@ -41,30 +42,26 @@ func helloHandler(c *gin.Context) {
 }
 
 func main() {
-	// Get database configuration with sensible defaults
-	dbConfig := models.DefaultDatabaseConfig()
-
-	// Override with environment variables if provided
-	if host := os.Getenv("DB_HOST"); host != "" {
-		dbConfig.Host = host
+	// Get database configuration from environment variables
+	dbConfig := models.DatabaseConfig{
+		Host:     os.Getenv("DB_HOST"),
+		Port:     5432, // Default PostgreSQL port
+		User:     os.Getenv("DB_USER"),
+		Password: os.Getenv("DB_PASSWORD"),
+		DBName:   os.Getenv("DB_NAME"),
+		SSLMode:  os.Getenv("DB_SSLMODE"),
 	}
+
+	// Parse port if provided
 	if port := os.Getenv("DB_PORT"); port != "" {
-		var portInt int
-		if _, err := fmt.Sscanf(port, "%d", &portInt); err == nil && portInt > 0 {
+		if portInt, err := strconv.Atoi(port); err == nil && portInt > 0 {
 			dbConfig.Port = portInt
 		}
 	}
-	if user := os.Getenv("DB_USER"); user != "" {
-		dbConfig.User = user
-	}
-	if password := os.Getenv("DB_PASSWORD"); password != "" {
-		dbConfig.Password = password
-	}
-	if dbName := os.Getenv("DB_NAME"); dbName != "" {
-		dbConfig.DBName = dbName
-	}
-	if sslMode := os.Getenv("DB_SSLMODE"); sslMode != "" {
-		dbConfig.SSLMode = sslMode
+
+	// Validate required configuration
+	if dbConfig.Host == "" || dbConfig.User == "" || dbConfig.Password == "" || dbConfig.DBName == "" {
+		log.Fatal("Missing required database configuration. Please set DB_HOST, DB_USER, DB_PASSWORD, and DB_NAME environment variables")
 	}
 
 	// Set log level based on environment