diff --git a/docker-compose.db.yml b/docker-compose.db.yml
index f950e05..b93b61a 100644
--- a/docker-compose.db.yml
+++ b/docker-compose.db.yml
@@ -92,17 +92,21 @@ services:
       retries: 3
 
   fems-mqtt:
-    image: eclipse-mosquitto:latest
+    build:
+      context: ./fems-mqtt
+      dockerfile: Dockerfile
+      args:
+        - MQTT_USERNAME=${MQTT_USERNAME}
+        - MQTT_PASSWORD=${MQTT_PASSWORD}
     container_name: fems-mqtt
     restart: unless-stopped
     ports:
-      - "${MQTT_PORT}:1883" # MQTT
-      - "${MQTT_WSS_PORT}:8883" # WebSocket
+      - "${MQTT_PORT}:1883"
+      - "${MQTT_WSS_PORT}:8883"
     volumes:
-      - ./fems-mqtt/config:/mosquitto/config:ro
       - ./fems-mqtt/data:/mosquitto/data
       - ./fems-mqtt/log:/mosquitto/log
-      - ./fems-mqtt/certs:/mosquitto/certs:ro
+      - ./fems-mqtt/certs:/mosquitto/certs
     environment:
       - TZ=Asia/Seoul
       - MQTT_USERNAME=${MQTT_USERNAME}
diff --git a/fems-mqtt/Dockerfile b/fems-mqtt/Dockerfile
new file mode 100644
index 0000000..ca2b5d6
--- /dev/null
+++ b/fems-mqtt/Dockerfile
@@ -0,0 +1,20 @@
+# fems-mqtt/Dockerfile
+FROM eclipse-mosquitto:latest
+
+# 환경 변수 설정
+ARG MQTT_USERNAME
+ARG MQTT_PASSWORD
+
+# 설정 파일 복사
+COPY ./config/mosquitto.conf /mosquitto/config/mosquitto.conf
+
+# 권한 설정 및 비밀번호 파일 생성
+RUN touch /mosquitto/config/passwd && \
+    mosquitto_passwd -b /mosquitto/config/passwd ${MQTT_USERNAME:-fems} ${MQTT_PASSWORD:-fems123!} && \
+    chmod -R 755 /mosquitto/config && \
+    chmod -R 777 /mosquitto/log && \
+    chmod 600 /mosquitto/config/passwd
+
+EXPOSE 1883 8883
+
+CMD ["/usr/sbin/mosquitto", "-c", "/mosquitto/config/mosquitto.conf"]
\ No newline at end of file
diff --git a/fems-mqtt/log/mosquitto.log b/fems-mqtt/log/mosquitto.log
index 4951ef6..2618bf9 100644
--- a/fems-mqtt/log/mosquitto.log
+++ b/fems-mqtt/log/mosquitto.log
@@ -1726,3 +1726,59 @@ To fix this, use `chmod 0700 /mosquitto/config/passwd`.
 1732087507: Client auto-A1AFCD04-8E34-6264-F1F4-02B742A2B49D disconnected, not authorised.
 1732087529: mosquitto version 2.0.20 terminating
 1732087529: Saving in-memory database to /mosquitto/data//mosquitto.db.
+1732087977: mosquitto version 2.0.20 starting
+1732087977: Config loaded from /mosquitto/config/mosquitto.conf.
+1732087977: Error: Unable to open pwfile "/mosquitto/config/passwd".
+1732087977: Error opening password file "/mosquitto/config/passwd".
+1732087978: mosquitto version 2.0.20 starting
+1732087978: Config loaded from /mosquitto/config/mosquitto.conf.
+1732087978: Error: Unable to open pwfile "/mosquitto/config/passwd".
+1732087978: Error opening password file "/mosquitto/config/passwd".
+1732087978: mosquitto version 2.0.20 starting
+1732087978: Config loaded from /mosquitto/config/mosquitto.conf.
+1732087978: Error: Unable to open pwfile "/mosquitto/config/passwd".
+1732087978: Error opening password file "/mosquitto/config/passwd".
+1732087979: mosquitto version 2.0.20 starting
+1732087979: Config loaded from /mosquitto/config/mosquitto.conf.
+1732087979: Error: Unable to open pwfile "/mosquitto/config/passwd".
+1732087979: Error opening password file "/mosquitto/config/passwd".
+1732087980: mosquitto version 2.0.20 starting
+1732087980: Config loaded from /mosquitto/config/mosquitto.conf.
+1732087980: Error: Unable to open pwfile "/mosquitto/config/passwd".
+1732087980: Error opening password file "/mosquitto/config/passwd".
+1732087982: mosquitto version 2.0.20 starting
+1732087982: Config loaded from /mosquitto/config/mosquitto.conf.
+1732087982: Error: Unable to open pwfile "/mosquitto/config/passwd".
+1732087982: Error opening password file "/mosquitto/config/passwd".
+1732087985: mosquitto version 2.0.20 starting
+1732087985: Config loaded from /mosquitto/config/mosquitto.conf.
+1732087985: Error: Unable to open pwfile "/mosquitto/config/passwd".
+1732087985: Error opening password file "/mosquitto/config/passwd".
+1732087992: mosquitto version 2.0.20 starting
+1732087992: Config loaded from /mosquitto/config/mosquitto.conf.
+1732087992: Error: Unable to open pwfile "/mosquitto/config/passwd".
+1732087992: Error opening password file "/mosquitto/config/passwd".
+1732088005: mosquitto version 2.0.20 starting
+1732088005: Config loaded from /mosquitto/config/mosquitto.conf.
+1732088005: Error: Unable to open pwfile "/mosquitto/config/passwd".
+1732088005: Error opening password file "/mosquitto/config/passwd".
+1732088031: mosquitto version 2.0.20 starting
+1732088031: Config loaded from /mosquitto/config/mosquitto.conf.
+1732088031: Error: Unable to open pwfile "/mosquitto/config/passwd".
+1732088031: Error opening password file "/mosquitto/config/passwd".
+1732088083: mosquitto version 2.0.20 starting
+1732088083: Config loaded from /mosquitto/config/mosquitto.conf.
+1732088083: Error: Unable to open pwfile "/mosquitto/config/passwd".
+1732088083: Error opening password file "/mosquitto/config/passwd".
+1732088144: mosquitto version 2.0.20 starting
+1732088144: Config loaded from /mosquitto/config/mosquitto.conf.
+1732088144: Error: Unable to open pwfile "/mosquitto/config/passwd".
+1732088144: Error opening password file "/mosquitto/config/passwd".
+1732088205: mosquitto version 2.0.20 starting
+1732088205: Config loaded from /mosquitto/config/mosquitto.conf.
+1732088205: Error: Unable to open pwfile "/mosquitto/config/passwd".
+1732088205: Error opening password file "/mosquitto/config/passwd".
+1732088265: mosquitto version 2.0.20 starting
+1732088265: Config loaded from /mosquitto/config/mosquitto.conf.
+1732088265: Error: Unable to open pwfile "/mosquitto/config/passwd".
+1732088265: Error opening password file "/mosquitto/config/passwd".