[BE] 입장 10분 전 푸시 알림 전송 기능 구현 (#483)

backend/src/main/java/com/festago/config/AsyncConfig.java

@@ -1,10 +1,22 @@
 package com.festago.config;
 
+import java.util.concurrent.Executor;
+import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.scheduling.annotation.EnableAsync;
+import org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor;
 
 @EnableAsync
 @Configuration
 public class AsyncConfig {
 
+    @Bean
+    public Executor taskExecutor() {
+        ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
+        executor.setCorePoolSize(8);
+        executor.setWaitForTasksToCompleteOnShutdown(true);
+        executor.setAwaitTerminationSeconds(60);
+        executor.initialize();
+        return executor;
+    }
 }

backend/src/main/resources/application-local.yml

@@ -27,6 +27,9 @@ logging:
           jdbc:
             bind: trace
 
+server:
+  shutdown: graceful
+
 festago:
   qr-secret-key: festagofestagofestagofestagofestagofestagofestagofestagofestagofestagofestagofestagofestagofestago
   auth-secret-key: festagofestagofestagofestagofestagofestagofestagofestagofestagofestagofestagofestagofestagofestago