custom.php.ini

file_uploads = On
memory_limit = 100M
upload_max_filesize = 100M
post_max_size = 50M
max_execution_time = 600

docker-compose.yml

version: '3.2'

services:
  laravel:
    image: onecom 
    build: 
      context: .
    ports:
      - 9000:9000
    environment:
      DB_NAME: laravel_db
      DB_HOST: mysql
      DB_USER: user
      DB_PASS: something
    volumes:
      - ./onecom_api:/var/www/html
      - ./custom.php.ini:/usr/local/etc/php/conf.d/uploads.ini

  mysql:
    image: mysql:5.7
    restart: always
    environment:
      MYSQL_DATABASE: laravel_db
      MYSQL_USER: user
      MYSQL_PASSWORD: something
      MYSQL_ROOT_PASSWORD: root_password
    volumes:
      - ./db:/var/lib/mysql


  webserver:
    image: nginx:1.17-alpine
    restart: unless-stopped
    ports:
      - "5956:80"
    volumes:
      - ./onecom_api:/var/www/html
      - ./nginx.conf:/etc/nginx/conf.d/default.conf

Dockerfile

FROM php:7.4-fpm-alpine

WORKDIR /var/www/html

RUN curl -sS https://getcomposer.org/installer | php -- --install-dir=/usr/local/bin --filename=composer

COPY ./onecom_api /var/www/html

nginx.conf

server {
    listen 80;
    index index.php index.html;
    root /var/www/html/public;
    client_max_body_size 32M;

    location / {
        try_files $uri /index.php?$args;
    }

    location ~ \.php$ {
        fastcgi_split_path_info ^(.+\.php)(/.+)$;
        fastcgi_pass laravel:9000;
        fastcgi_index index.php;
        include fastcgi_params;
        fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
        fastcgi_param PATH_INFO $fastcgi_path_info;
    }
}