diff --git a/build.gradle b/build.gradle
index 976019c..598ea7d 100644
--- a/build.gradle
+++ b/build.gradle
@@ -37,7 +37,10 @@ subprojects {
         implementation 'io.jsonwebtoken:jjwt-jackson:0.12.3'
         compileOnly 'org.projectlombok:lombok'
         annotationProcessor 'org.projectlombok:lombok'
-        runtimeOnly 'com.mysql:mysql-connector-j'
+
+        // PostgreSQL (운영용)
+        runtimeOnly 'org.postgresql:postgresql:42.7.1'
+
         testImplementation 'org.springframework.boot:spring-boot-starter-test'
         testImplementation 'org.springframework.security:spring-security-test'
     }
diff --git a/member/src/main/java/com/won/smarketing/member/config/RedisConfig.java b/member/src/main/java/com/won/smarketing/member/config/RedisConfig.java
deleted file mode 100644
index 045285b..0000000
--- a/member/src/main/java/com/won/smarketing/member/config/RedisConfig.java
+++ /dev/null
@@ -1,53 +0,0 @@
-package com.won.smarketing.member.config;
-
-import org.springframework.beans.factory.annotation.Value;
-import org.springframework.context.annotation.Bean;
-import org.springframework.context.annotation.Configuration;
-import org.springframework.data.redis.connection.RedisConnectionFactory;
-import org.springframework.data.redis.connection.lettuce.LettuceConnectionFactory;
-import org.springframework.data.redis.core.RedisTemplate;
-import org.springframework.data.redis.serializer.StringRedisSerializer;
-
-/**
- * Redis 설정 클래스
- * Redis 연결 및 RedisTemplate 설정
- */
-@Configuration
-public class RedisConfig {
-
-    @Value("${spring.data.redis.host}")
-    private String redisHost;
-
-    @Value("${spring.data.redis.port}")
-    private int redisPort;
-
-    /**
-     * Redis 연결 팩토리 설정
-     * 
-     * @return RedisConnectionFactory
-     */
-    @Bean
-    public RedisConnectionFactory redisConnectionFactory() {
-        return new LettuceConnectionFactory(redisHost, redisPort);
-    }
-
-    /**
-     * RedisTemplate 설정
-     * 
-     * @return RedisTemplate<String, String>
-     */
-    @Bean
-    public RedisTemplate<String, String> redisTemplate() {
-        RedisTemplate<String, String> redisTemplate = new RedisTemplate<>();
-        redisTemplate.setConnectionFactory(redisConnectionFactory());
-        
-        // 직렬화 설정
-        redisTemplate.setKeySerializer(new StringRedisSerializer());
-        redisTemplate.setValueSerializer(new StringRedisSerializer());
-        redisTemplate.setHashKeySerializer(new StringRedisSerializer());
-        redisTemplate.setHashValueSerializer(new StringRedisSerializer());
-        
-        return redisTemplate;
-    }
-}
-
diff --git a/member/src/main/resources/application.yml b/member/src/main/resources/application.yml
index 83ad594..c93fb60 100644
--- a/member/src/main/resources/application.yml
+++ b/member/src/main/resources/application.yml
@@ -5,17 +5,17 @@ spring:
   application:
     name: member-service
   datasource:
-    url: ${DB_URL:jdbc:mysql://localhost:3306/smarketing_member}
-    username: ${DB_USERNAME:root}
-    password: ${DB_PASSWORD:password}
-    driver-class-name: com.mysql.cj.jdbc.Driver
+    url: jdbc:postgresql://${POSTGRES_HOST:localhost}:${POSTGRES_PORT:5432}/${POSTGRES_DB:MemberDB}
+    username: ${POSTGRES_USER:postgres}
+    password: ${POSTGRES_PASSWORD:postgres}
+    driver-class-name: org.postgresql.Driver
   jpa:
     hibernate:
       ddl-auto: ${DDL_AUTO:update}
     show-sql: ${SHOW_SQL:true}
     properties:
       hibernate:
-        dialect: org.hibernate.dialect.MySQLDialect
+        dialect: org.hibernate.dialect.PostgreSQLDialect
         format_sql: true
   data:
     redis: