Use separate MariaDB container

Dockerfile

@@ -9,13 +9,16 @@ RUN npm ci
 COPY . .
 RUN npm run build
 
-# Stage 2: Full stack with MariaDB
+# Stage 2: App only (no MariaDB)
 FROM node:20-alpine
 
 WORKDIR /app
 
-# Install dependencies
-RUN apk add --no-cache mariadb mariadb-client mariadb-server-utils nginx bash
+# Install nginx
+RUN apk add --no-cache nginx bash
+
+# Copy built frontend to nginx
+COPY --from=builder /build/dist /usr/share/nginx/html
 
 # Copy server files
 COPY server/package*.json ./server/
@@ -27,15 +30,15 @@ COPY server/ ./server/
 COPY nginx.conf /etc/nginx/http.d/default.conf
 
 # Create directories
-RUN mkdir -p /run/nginx /run/mysqld /var/lib/mysql
+RUN mkdir -p /run/nginx
 
 # Copy entrypoint
 COPY docker-entrypoint.sh /docker-entrypoint.sh
 RUN chmod +x /docker-entrypoint.sh
 
-EXPOSE 80 4000 3306
+EXPOSE 80 4000
 
-ENV DB_HOST=localhost
+ENV DB_HOST=db
 ENV DB_PORT=3306
 ENV DB_USER=hospital
 ENV DB_PASSWORD=hospital123