如何将yaml添加到php服务器docker安装

Question

I am having problems installing yaml support on my php docker configuraiton. Here is my dockerbuild file:

FROM php:7.2.2-apache
RUN docker-php-ext-install mysqli
# Install YAML extension
RUN  pecl install yaml && echo "extension=yaml.so" > /usr/local/etc/php/conf.d/ext-yaml.ini && docker-php-ext-enable yaml

But I am getting error:

configure: error: Please install libyaml

I googled, but haven`t found working solution yet. Any ideas how should I do it?

Note:

RUN apt-get install libyaml

Havent worked, got message E: Unable to locate package libyaml

And also this command havent worked:

yum install libyaml-devel

error: yum install libyaml-devel

Answer 1

First you need to run the update and then install the required package that is libyaml-dev .

FROM php:7.2.2-apache
RUN docker-php-ext-install mysqli
# Install YAML extension
RUN apt-get update -y
RUN apt-get install libyaml-dev -y
RUN  pecl install yaml && echo "extension=yaml.so" > /usr/local/etc/php/conf.d/ext-yaml.ini && docker-php-ext-enable yaml

How do I install the yaml package for Python?

Answer 2

I found also different way, maybe for someone easier because adding php extension is really simple. https://github.com/mlocati/docker-php-extension-installer

And here is my final Dockerfile

   FROM php:7.2.2-apache
    ADD https://raw.githubusercontent.com/mlocati/docker-php-extension-installer/master/install-php-extensions /usr/local/bin/
    RUN chmod uga+x /usr/local/bin/install-php-extensions && sync && \
        install-php-extensions mysqli yaml