nginx working fine in localhost but show 404 on server

i have a laravel based project that i have to host on digital ocean using docker. docker is working fine on localhost but shows 404 on server but phpmyadmin working fine on server as well which is running on 8080 port. i'm new to docker so i am unable to figure out what's wrong in my code.

Here's my docker-compose.yml

 version: '3'

networks:
  laravel:


services:
  nginx:
    image: nginx:stable-alpine
    container_name: nginx
    ports:
      - "8088:80"
    volumes:
      - ./src:/var/www/html
      - ./nginx/default.conf:/etc/nginx/conf.d/default.conf
    depends_on:
      - php
      - mysql
    networks:
      - laravel

  mysql:
    image: mysql:5.7.22
    restart: unless-stopped
    tty: true
    ports:
      - "4306:3306"
    volumes:
      - ./mysql:/var/lib/mysql
    environment:
      MYSQL_ROOT_PASSWORD: "root"
      MYSQL_DATABASE: "laravel_test"
      MYSQL_USER: "root"
      MYSQL_PASSWORD: "root"
      SERVICE_TAGS: "dev"
      SERVICE_NAME: "mysql"
    networks:
      - laravel

  php:
    build:
      context: .
      dockerfile: Dockerfile
    container_name: php
    volumes:
      - ./src:/var/www/html
    ports:
      - "9000:9000"
    restart: unless-stopped

    networks:
      - laravel

  phpmyadmin:
    image: phpmyadmin
    restart: always
    ports:
      - 8080:80
    environment:
      - PMA_ARBITRARY=1
    links:
      - mysql
    networks:
      - laravel

  npm:
    image: node:18-alpine3.14
    container_name: npm
    volumes:
      - ./src:/var/www/html
    working_dir: /var/www/html
    entrypoint: [ 'npm', '--no-bin-links' ]
    networks:
      - laravel

  composer:
    image: composer:latest
    container_name: composer
    volumes:
      - ./src:/var/www/html
    working_dir: /var/www/html
    depends_on:
      - php
    networks:
      - laravel

Dockerfile

FROM php:8.1.0-fpm

RUN docker-php-ext-install pdo pdo_mysql

default.conf

server{
    listen 80;
    index index.php index.html;
    server_name localhost;
    error_log /var/log/nginx/error.log;
    access_log /var/log/nginx/access.log;
    root /var/www/html/public;
    location / {
        try_files $uri $uri/ /index.php?$query_string;
    }
    location ~ \.php$ {
        try_files $uri =404;
        fastcgi_split_path_info ^(.+\.php)(/.+)$;
        fastcgi_pass php:9000;
        fastcgi_index index.php;
        include fastcgi_params;
        fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
        fastcgi_param PATH_INFO $fastcgi_path_info;
    }
}

my php file is in ./src/public/