Install Php 7 with MongoDB driver on Docker from Ubuntu trusty base image.

Dockerfile

FROM ubuntu:trusty

ENV HOME /root
ENV LC_ALL          C.UTF-8
ENV LANG            en_US.UTF-8
ENV LANGUAGE        en_US.UTF-8

RUN add-apt-repository ppa:ondrej/php  && \
	apt-get update

RUN	apt-get -y install php7.0-fpm php7.0-mysql php7.0-curl php7.0-mcrypt php7.0-cli php7.0-dev php-pear libsasl2-dev

RUN mkdir -p /usr/local/openssl/include/openssl/ && \
    ln -s /usr/include/openssl/evp.h /usr/local/openssl/include/openssl/evp.h && \
    mkdir -p /usr/local/openssl/lib/ && \
    ln -s /usr/lib/x86_64-linux-gnu/libssl.a /usr/local/openssl/lib/libssl.a && \
    ln -s /usr/lib/x86_64-linux-gnu/libssl.so /usr/local/openssl/lib/

RUN 	pecl install mongodb

RUN echo "extension=mongodb.so" > /etc/php/7.0/fpm/conf.d/20-mongodb.ini && \
	echo "extension=mongodb.so" > /etc/php/7.0/cli/conf.d/20-mongodb.ini && \
	echo "extension=mongodb.so" > /etc/php/7.0/mods-available/mongodb.ini