chore(ci): enhance test workflow and improve Postgres test container config

Author: YuSunjo

.github/workflows/run-tests.yml

@@ -21,8 +21,20 @@ jobs:
         distribution: 'temurin'
         cache: gradle
 
+    - name: Check Docker availability
+      run: |
+        docker --version
+        docker info
+        
+    - name: Make gradlew executable
+      run: chmod +x ./gradlew
+        
     - name: Run memory-api tests with coverage
-      run: ./gradlew :memory-api:test :memory-api:jacocoTestReport
+      run: ./gradlew :memory-api:test :memory-api:jacocoTestReport --info --stacktrace
+      env:
+        SPRING_PROFILES_ACTIVE: test
+        TESTCONTAINERS_RYUK_DISABLED: true
+        TESTCONTAINERS_DOCKER_SOCKET_OVERRIDE: /var/run/docker.sock
 
     - name: Upload coverage reports to Codecov
       uses: codecov/codecov-action@v3

memory-api/src/test/java/com/memory/controller/PostgresTC.java

@@ -1,8 +1,11 @@
 package com.memory.controller;
 
 import org.testcontainers.containers.PostgreSQLContainer;
+import org.testcontainers.containers.wait.strategy.Wait;
 import org.testcontainers.utility.DockerImageName;
 
+import java.time.Duration;
+
 public class PostgresTC extends PostgreSQLContainer<PostgresTC> {
     private static final DockerImageName IMG = DockerImageName.parse("postgis/postgis:15-3.3")
             .asCompatibleSubstituteFor("postgres");
@@ -13,10 +16,16 @@ private PostgresTC() {
         withDatabaseName("memory_test");
         withUsername("test");
         withPassword("test");
-        // 필요하면 .waitingFor(Wait.forListeningPort());
+        withStartupTimeout(Duration.ofMinutes(5));
+        waitingFor(Wait.forListeningPort())
+        .withReuse(false);
     }
+    
     public static synchronized PostgresTC getInstance() {
-        if (INSTANCE == null) { INSTANCE = new PostgresTC(); INSTANCE.start(); }
+        if (INSTANCE == null) { 
+            INSTANCE = new PostgresTC(); 
+            INSTANCE.start(); 
+        }
         return INSTANCE;
     }
 }