fix: set timezone to Asia/Kuala_Lumpur on all containers

Add TZ=Asia/Kuala_Lumpur and PGTZ to all services, mount
/etc/localtime read-only so log timestamps match local time.

docker-compose.yml

@@ -10,6 +10,7 @@ services:
       dockerfile: Dockerfile
     volumes:
       - ./src:/var/www/html
+      - /etc/localtime:/etc/localtime:ro
     depends_on:
       postgres:
         condition: service_healthy
@@ -17,6 +18,7 @@ services:
       - tckdev_net
     restart: unless-stopped
     environment:
+      - TZ=Asia/Kuala_Lumpur
       - RUN_MIGRATIONS=true
       - RUN_SEEDER=true
       - ADMIN_EMAIL=${ADMIN_EMAIL:-admin@example.com}
@@ -28,7 +30,10 @@ services:
     restart: always
     volumes:
       - pgdata:/var/lib/postgresql/data
+      - /etc/localtime:/etc/localtime:ro
     environment:
+      - TZ=Asia/Kuala_Lumpur
+      - PGTZ=Asia/Kuala_Lumpur
       - POSTGRES_DB=${POSTGRES_DB}
       - POSTGRES_USER=${POSTGRES_USER}
       - POSTGRES_PASSWORD=${POSTGRES_PASSWORD}
@@ -51,20 +56,25 @@ services:
     volumes:
       - ./src:/var/www/html
       - ./docker/nginx/default.conf:/etc/nginx/conf.d/default.conf
+      - /etc/localtime:/etc/localtime:ro
     depends_on:
       - app
     networks:
       - tckdev_net
+    environment:
+      - TZ=Asia/Kuala_Lumpur
 
   pgadmin:
     image: dpage/pgadmin4
     container_name: tckdev-pgAdmin
     environment:
+      - TZ=Asia/Kuala_Lumpur
       - PGADMIN_DEFAULT_EMAIL=${PGADMIN_EMAIL}
       - PGADMIN_DEFAULT_PASSWORD=${PGADMIN_PASSWORD}
     volumes:
       - pgadmin_data:/var/lib/pgadmin
       - ./backup:/backups
+      - /etc/localtime:/etc/localtime:ro
     ports:
       - "5050:80"
     depends_on: