Solved - PHP 8.2 Docker Alpine - No releases available for package "pecl.php.net/apcu"

You should build it from source code FROM php:8.2-fpm-alpine AS ext-apcu ENV EXT_APCU_VERSION=master RUN curl -vvv https://github.com/krakjoe/apcu.git RUN docker-php-source extract \ && apk -Uu add git \ && git clone --branch $EXT_APCU_VERSION --depth 1 https://github.com/krakjoe/