diff --git a/contrib/docker/Dockerfile.fpm b/contrib/docker/Dockerfile.fpm
index fc7524429..d297cc654 100644
--- a/contrib/docker/Dockerfile.fpm
+++ b/contrib/docker/Dockerfile.fpm
@@ -5,16 +5,18 @@ ARG COMPOSER_CHECKSUM="67bebe9df9866a795078bb2cf21798d8b0214f2e0b2fd81f2e907a8ef
 
 RUN apt-get update \
  && apt-get install -y --no-install-recommends git \
-      optipng pngquant jpegoptim gifsicle \
+      optipng pngquant jpegoptim gifsicle libpq-dev locales \
       libfreetype6 libjpeg62-turbo libpng16-16 libxpm4 libvpx4 libmagickwand-6.q16-3 \
       libfreetype6-dev libjpeg62-turbo-dev libpng-dev libxpm-dev libvpx-dev libmagickwand-dev \
+ && sed -i '/en_US/s/^#//g' /etc/locale.gen \
+ && locale-gen && update-locale \
  && docker-php-source extract \
  && docker-php-ext-configure gd \
       --with-freetype-dir=/usr/lib/x86_64-linux-gnu/ \
       --with-jpeg-dir=/usr/lib/x86_64-linux-gnu/ \
       --with-xpm-dir=/usr/lib/x86_64-linux-gnu/ \
       --with-vpx-dir=/usr/lib/x86_64-linux-gnu/ \
- && docker-php-ext-install pdo_mysql pcntl gd exif bcmath \
+ && docker-php-ext-install pdo_mysql pdo_pgsql pdo_sqlite pcntl gd exif bcmath \
  && pecl install imagick \
  && docker-php-ext-enable imagick pcntl imagick gd exif \
  && curl -LsS https://getcomposer.org/download/${COMPOSER_VERSION}/composer.phar -o /usr/bin/composer \