Minor Dockerfile package cleanup

Dockerfile

@@ -11,25 +11,64 @@ RUN \
         alpine-base \
         bzip2 \
         curl \
+        fbida-exiftran \
+        ffmpeg \
         git \
         gzip \
         imagemagick \
+        jq \
         libxml2 \
         libzip \
         libzip-dev \
         libzip-doc \
         libzip-tools \
+        memcached \
         php7 \
+        php7-apcu \
+        php7-bcmath \
         php7-bz2 \
+        php7-ctype \
         php7-curl \
+        php7-dba \
+        php7-dom \
+        php7-exif \
+        php7-fileinfo \
+        php7-fpm \
+        php7-gd \
+        php7-gettext \
+        php7-gmp \
         php7-iconv \
         php7-imagick \
+        php7-imap \
+        php7-intl \
         php7-json \
+        php7-mcrypt \
+        php7-memcached \
+        php7-mysqli \
+        php7-mysqlnd \
+        php7-opcache \
+        php7-pcntl \
+        php7-pdo_mysql \
+        php7-pdo_pgsql \
+        php7-pdo_sqlite \
+        php7-pear \
         php7-pecl-imagick \
+        php7-pgsql \
+        php7-phar \
+        php7-posix \
+        php7-pspell \
+        php7-redis \
+        php7-snmp \
+        php7-sodium \
+        php7-sqlite3 \
+        php7-ssh2 \
+        php7-tokenizer \
         php7-xml \
         php7-xmlreader \
         php7-xmlrpc \
         php7-zip \
+        re2c \
+        sqlite \
         subversion \
         sudo \
         tar \