Add local environment with Docker Compose

tools/docker/Dockerfile

@@ -0,0 +1,35 @@
+fROM php:7.3-fpm-buster AS base
+
+RUN apt update -yqq && apt install -yqq \
+    git \
+    libpng-dev \
+    mariadb-client \
+    zip \
+    zlib1g-dev \
+  && docker-php-ext-install \
+    exif \
+    gd \
+    pdo_mysql
+
+###
+
+FROM base AS dev
+
+WORKDIR /app
+
+ENV PATH="./bin:./vendor/bin:$PATH"
+
+RUN apt update -yqq \
+  && apt install -yqq \
+    pv \
+    vim \
+  && pecl install xdebug-2.9.0 \
+  && docker-php-ext-enable xdebug
+
+COPY --from=composer:1 /usr/bin/composer /usr/bin/composer
+
+COPY composer.json composer.lock /app/
+COPY assets /app/assets
+RUN composer install
+
+COPY tools/docker/images/php/configs/php.ini /usr/local/etc/php/conf.d/php.ini