Docker Magento 1 w/ Xdebug

docker-compose.yml

version: '2'
services:
  nginx:
    image: nginx:latest
    ports:
     - "8880:80"
    volumes:
     - ./:/source
     - ./nginx.conf:/etc/nginx/conf.d/default.conf
  php:
    build: ./php
    volumes:
     - ./:/source
  db:
    image: mariadb:latest
    ports:
      - "3306:3306"
    environment:
      MYSQL_DATABASE: 'magento'
      MYSQL_USER: 'magento'
      MYSQL_PASSWORD: 'magento'
      MYSQL_ALLOW_EMPTY_PASSWORD: 'yes'
  magerun:
    image: meanbee/magerun
    environment:
      MAGE_ROOT_DIR: /source
    links:
      - db
    volumes:
      - ./:/source

Dockerfile

FROM php:7.2-fpm
RUN apt-get -qq update && apt-get -qq install libxml++2.6-dev > /dev/null
RUN apt-get update && apt-get install -y \
        libfreetype6-dev \
        libjpeg62-turbo-dev \
        libpng-dev \
        zlib1g-dev \
        libicu-dev \
        g++ \
    && docker-php-ext-configure gd --with-freetype-dir=/usr/include/ --with-jpeg-dir=/usr/include/ \
    && docker-php-ext-install -j$(nproc) gd mbstring mysqli pdo pdo_mysql soap
    
RUN apt-get install -y libmcrypt-dev
RUN apt-get install -y libicu-dev
RUN docker-php-ext-configure intl
RUN docker-php-ext-install intl

RUN apt-get install --no-install-recommends --assume-yes --quiet ca-certificates curl git &&\
        rm -rf /var/lib/apt/lists/*
RUN curl -Lsf 'https://storage.googleapis.com/golang/go1.8.3.linux-amd64.tar.gz' | tar -C '/usr/local' -xvzf -
ENV PATH /usr/local/go/bin:$PATH
RUN go get github.com/mailhog/mhsendmail
RUN cp /root/go/bin/mhsendmail /usr/bin/mhsendmail
RUN echo 'sendmail_path = /usr/bin/mhsendmail --smtp-addr mailhog:1025' > /usr/local/etc/php/php.ini

RUN pecl install xdebug-2.6.0 && docker-php-ext-enable xdebug
RUN echo 'zend_extension="/usr/local/lib/php/extensions/no-debug-non-zts-20170718/xdebug.so"' >> /usr/local/etc/php/php.ini
RUN echo 'xdebug.remote_port=9000' >> /usr/local/etc/php/php.ini
RUN echo 'xdebug.remote_enable=1' >> /usr/local/etc/php/php.ini
RUN echo 'xdebug.remote_connect_back=1' >> /usr/local/etc/php/php.ini

nginx.conf

server {
    index index.php index.html;
    server_name localhost;
    error_log  /var/log/nginx/error.log warn;
    access_log /var/log/nginx/access.log;
    root /source;
    location / {
        try_files $uri $uri/ @handler;
    }
    location @handler {
        rewrite / /index.php;
    }

    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;
        fastcgi_param PHP_VALUE "memory_limit = 1000M";
    }
}