Simple, no bullsh*t nginx+php+mariadb (lnmp) with docker-compose

default.conf

server {
    listen       80;
    server_name  localhost;

    access_log  /var/log/nginx/host.access.log  main;

    location / {
        root   /var/www/html;
        index  index.html index.htm index.php;
    }

    # redirect server error pages to the static page /50x.html
    #
    error_page   500 502 503 504  /50x.html;
    location = /50x.html {
        root   /usr/share/nginx/html;
    }

    # pass the PHP scripts to FastCGI server listening on engine:9000
    #
    location ~ \.php$ {
        root           /var/www/html;
        fastcgi_pass   engine:9000;
        fastcgi_index  index.php;
        fastcgi_param  SCRIPT_FILENAME  $document_root$fastcgi_script_name;
        include        fastcgi_params;
    }
}

docker-compose.yml

services:
  webserver:
    image: nginx
    volumes:
      - ./conf.d:/etc/nginx/conf.d
      - ./www:/var/www/html
    ports:
      - "8000:80"
  engine:
    # uncomment to use official image
    #image: php:7.4-fpm
    build:
      context: .
      dockerfile: ./php.dockerfile
    # or custom build to add exts
    volumes:
      - ./www:/var/www/html
  database:
    image: mariadb
    restart: always
    volumes:
      - ./import.sql:/docker-entrypoint-initdb.d/import.sql
    environment:
      - MYSQL_ROOT_PASSWORD=p4ssw0rd
      - MYSQL_DATABASE=dbname

php.dockerfile

FROM php:7.4-fpm

RUN docker-php-ext-install mysqli