I am setting up very basic Docker container for a PHP and Zend framework project. I am using official Docker image php:fpm-alpine. Container is running successfully and I am able to see my application. In order for Zend to work I need PHP intl extention. When I add RUN docker-php-ext-install intl command in DockerFile extention is not installed successfully.
DockerFile code
FROM php:fpm-alpine
WORKDIR /usr/share/nginx/html
RUN docker-php-ext-install mysqli pdo pdo_mysql intl
Any help or recommendation is much appreciated. Thanks in advance.