[backend] support postgres

compose.yaml

@@ -6,6 +6,8 @@ services:
       MARIADB_ROOT_PASSWORD: root
       MARIADB_DATABASE: app
       MARIADB_ALLOW_EMPTY_ROOT_PASSWORD: 'no'
+    ports:
+      - "3306:3306"
     volumes:
       - ./var/volumes/mariadb:/var/lib/mysql:rw
       - ./var/volumes/backend-var:/var/www/var

docker/php/Dockerfile

@@ -11,6 +11,7 @@ RUN install-php-extensions opcache iconv soap
 RUN install-php-extensions zip intl fileinfo
 RUN install-php-extensions pdo redis mysqli pdo_mysql
 RUN install-php-extensions gd
+RUN install-php-extensions pgsql pdo_pgsql
 
 # Composer
 RUN curl -sS https://getcomposer.org/installer | php -- --install-dir=/usr/bin/ --filename=composer