Hi, try to install phalcon on standard image.
FROM php:7.2-fpm RUN apt-get update -yqq RUN apt-get install -y zlib1g-dev libpng-dev libjpeg-dev RUN docker-php-ext-install -j$(nproc) gettext pdo_mysql \ && docker-php-ext-configure gd --with-jpeg-dir=/usr/include/ \ && docker-php-ext-install -j$(nproc) gd RUN curl -s "https://packagecloud.io/install/repositories/phalcon/stable/script.deb.sh" | bash \ && apt-get clean \ && apt-get update -yqq RUN phpize -v RUN apt-get install -y php7.2-phalcon=3.4.1-1+php7.2
logs during build
Step 6/7 : RUN phpize -v ---> Running in 98c506d23ea9 Configuring for: PHP Api Version: 20170718 Zend Module Api No: 20170718 Zend Extension Api No: 320170718 Removing intermediate container 98c506d23ea9 ---> dacc93586b31 Step 7/7 : RUN apt-get install -y php7.2-phalcon=3.4.1-1+php7.2 ---> Running in dc466ffb0a12 Reading package lists... Building dependency tree... Reading state information... Some packages could not be installed. This may mean that you have requested an impossible situation or if you are using the unstable distribution that some required packages have not yet been created or been moved out of Incoming. The following information may help to resolve the situation: The following packages have unmet dependencies: php7.2-phalcon : Depends: phpapi-20170718 but it is not installable E: Unable to correct problems, you have held broken packages. ERROR: Service 'php' failed to build: The command '/bin/sh -c apt-get install -y php7.2-phalcon=3.4.1-1+php7.2' returned a non-zero code: 100
please help my, I don't have any idea how fix this.