Dockerfile

FROM php:fpm-alpine

WORKDIR "/app"

COPY .. .

RUN set -ex \
  && apk --no-cache add \
    postgresql-dev

RUN docker-php-ext-install pdo pdo_pgsql

ENV COMPOSER_ALLOW_SUPERUSER=1

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

RUN composer install

CMD ["php-fpm"]