[docs] Swagger에서 JWT 토큰 입력 가능하도록 수정

Author: chanwoo7

src/main/java/com/book/backend/global/SwaggerConfig.java

@@ -1,9 +1,32 @@
 package com.book.backend.global;
 
 import io.swagger.v3.oas.annotations.info.Info;
+import io.swagger.v3.oas.models.Components;
+import io.swagger.v3.oas.models.OpenAPI;
+import io.swagger.v3.oas.models.security.SecurityRequirement;
+import io.swagger.v3.oas.models.security.SecurityScheme;
+import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import io.swagger.v3.oas.annotations.OpenAPIDefinition;
 
 @OpenAPIDefinition(info = @Info(title = "북토크 서버 API", description = "설명", version = "1.0")) // 상단 제목 커스텀
 @Configuration
-public class SwaggerConfig { }
+public class SwaggerConfig {
+
+    @Bean
+    public OpenAPI api() {
+        SecurityScheme apiKey = new SecurityScheme()
+                .type(SecurityScheme.Type.HTTP)
+                .in(SecurityScheme.In.HEADER)
+                .name("Authorization")
+                .scheme("bearer")
+                .bearerFormat("JWT");
+
+        SecurityRequirement securityRequirement = new SecurityRequirement()
+                .addList("Bearer Token");
+
+        return new OpenAPI()
+                .components(new Components().addSecuritySchemes("Bearer Token", apiKey))
+                .addSecurityItem(securityRequirement);
+    }
+}