chore: hardcode database credentials in docker-compose.yml

docker-compose.yml

@@ -9,9 +9,9 @@ services:
     restart: always
     environment:
       - DB_HOST=db
-      - DB_USER=${DB_USER:-root}
-      - DB_PASS=${DB_PASS:-secret}
-      - DB_NAME=${DB_NAME:-poverty_map}
+      - DB_USER=root
+      - DB_PASS=secret123
+      - DB_NAME=poverty_map
       - BASE_URL=${BASE_URL:-http://localhost}
     ports:
       - "80:80"
@@ -23,8 +23,8 @@ services:
     container_name: poverty_map_db
     restart: always
     environment:
-      - MARIADB_ROOT_PASSWORD=${DB_PASS:-secret}
-      - MARIADB_DATABASE=${DB_NAME:-poverty_map}
+      - MARIADB_ROOT_PASSWORD=secret123
+      - MARIADB_DATABASE=poverty_map
     volumes:
       - db_data:/var/lib/mysql
       - ./database.sql:/docker-entrypoint-initdb.d/init.sql:ro