CircleCI 2.0 に移行するために自作したコンテナの定義をメモ。
FROM alpine:3.7
RUN apk update && apk upgrade
RUN apk add \
php7-curl \
php7-dom \
php7-fileinfo \
php7-gd \
php7-iconv \
php7-json \
php7-mbstring \
php7-pcntl \
php7-pdo_mysql \
php7-phar \
php7-posix \
php7-session \
php7-simplexml \
php7-tokenizer \
php7-xml \
php7-xmlwriter \
php7-zip \
php7-zlib
RUN php -r "copy('https://getcomposer.org/installer', 'composer-setup.php');" \
&& php -r "if (hash_file('SHA384', 'composer-setup.php') === '544e09ee996cdf60ece3804abc52599c22b1f40f4323403c44d44fdfdd586475ca9813a858088ffbc1f233e9b180f061') { echo 'Installer verified'; } else { echo 'Installer corrupt'; unlink('composer-setup.php'); } echo PHP_EOL;" \
&& php composer-setup.php \
&& php -r "unlink('composer-setup.php');" \
&& mv composer.phar /usr/local/bin/composer