diff --git a/.env.save b/.env.save
index 77727d3..91f97be 100644
--- a/.env.save
+++ b/.env.save
@@ -21,7 +21,7 @@ LOG_DEPRECATIONS_CHANNEL=null
 LOG_LEVEL=debug
 
 DB_CONNECTION=mysql
-DB_HOST=127.0.0.1
+DB_HOST=db
 DB_PORT=3306
 DB_DATABASE=humicpro_cetaksuratkp
 DB_USERNAME=humicpro_cetaksuratkp
diff --git a/docker-compose.yml b/docker-compose.yml
index 7e611ec..e67fc75 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -14,9 +14,9 @@ services:
       APP_DEBUG: ${APP_DEBUG:-false}
       APP_URL: ${APP_URL}
 
-      DB_CONNECTION: pgsql
+      DB_CONNECTION: mariadb
       DB_HOST: db
-      DB_PORT: 5432
+      DB_PORT: 3306
 
       DB_DATABASE: ${DB_DATABASE}
       DB_USERNAME: ${DB_USERNAME}
@@ -45,19 +45,20 @@ services:
       - app
 
   # ==========================================
-  # 3. Database (Custom PostgreSQL)
+  # 3. Database (MariaDB)
   # ==========================================
   db:
     build:
       context: .
-      dockerfile: docker/postgres.Dockerfile
+      dockerfile: docker/mariadb.Dockerfile
     restart: unless-stopped
     environment:
-      POSTGRES_DB: ${DB_DATABASE}
-      POSTGRES_USER: ${DB_USERNAME}
-      POSTGRES_PASSWORD: ${DB_PASSWORD}
+      MYSQL_DATABASE: ${DB_DATABASE}
+      MYSQL_USER: ${DB_USERNAME}
+      MYSQL_PASSWORD: ${DB_PASSWORD}
+      MYSQL_ROOT_PASSWORD: ${DB_PASSWORD}
     volumes:
-      - db_data:/var/lib/postgresql/data
+      - db_data:/var/lib/mysql
 
 volumes:
   db_data:
diff --git a/docker/Dockerfile b/docker/Dockerfile
index 0124c0a..e19924b 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -28,10 +28,9 @@ RUN apk add --no-cache \
     unzip \
     git \
     oniguruma-dev \
-    postgresql-dev \
     $PHPIZE_DEPS \
     && docker-php-ext-configure gd --with-freetype --with-jpeg \
-    && docker-php-ext-install pdo pdo_pgsql mbstring zip exif pcntl gd opcache
+    && docker-php-ext-install pdo pdo_mysql mbstring zip exif pcntl gd opcache
 
 COPY docker/opcache.ini /usr/local/etc/php/conf.d/opcache.ini
 
diff --git a/docker/postgres.Dockerfile b/docker/mariadb.Dockerfile
similarity index 73%
rename from docker/postgres.Dockerfile
rename to docker/mariadb.Dockerfile
index faf8d3e..ab5693d 100644
--- a/docker/postgres.Dockerfile
+++ b/docker/mariadb.Dockerfile
@@ -1,3 +1,3 @@
-FROM postgres:15-alpine
+FROM mariadb:10.6
 
 COPY docker/humicpro_cetaksuratkp.sql /docker-entrypoint-initdb.d/