Convert landing-page and database services to custom Dockerfile builds to avoid host volume mounting errors

db.Dockerfile

@@ -0,0 +1,4 @@
+FROM mysql:8.0
+
+# Copy the initialization SQL script into the container
+COPY ./init-db.sql /docker-entrypoint-initdb.d/init-db.sql

docker-compose.yml

@@ -1,10 +1,9 @@
 services:
   # 1. Reverse Proxy & Landing Page
   landing-page:
-    image: nginx:alpine
-    volumes:
-      - ./landing-page:/usr/share/nginx/html:ro
-      - ./nginx.conf:/etc/nginx/conf.d/default.conf:ro
+    build:
+      context: .
+      dockerfile: landing-page.Dockerfile
     depends_on:
       - poverty-mapping
       - tugas-spbu
@@ -57,7 +56,9 @@ services:
 
   # 4. Database MySQL
   db:
-    image: mysql:8.0
+    build:
+      context: .
+      dockerfile: db.Dockerfile
     command: --default-authentication-plugin=mysql_native_password
     environment:
       - MYSQL_ROOT_PASSWORD=${DB_ROOT_PASSWORD:-root_password}
@@ -66,7 +67,6 @@ services:
       - MYSQL_PASSWORD=${DB_PASSWORD:-webgis_password}
     volumes:
       - mysql_data:/var/lib/mysql
-      - ./init-db.sql:/docker-entrypoint-initdb.d/init-db.sql
     restart: always
 
 volumes:

landing-page.Dockerfile

@@ -0,0 +1,9 @@
+FROM nginx:alpine
+
+# Copy landing page static files
+COPY ./landing-page /usr/share/nginx/html
+
+# Copy custom nginx configuration
+COPY ./nginx.conf /etc/nginx/conf.d/default.conf
+
+EXPOSE 80