tweak docker build

.dockerignore

@@ -1,9 +1,10 @@
 *
-!bin
-!docs
-!res
-!src
-!views
-!composer.json
-!composer.lock
-!LICENSE
+!/bin/
+!/docs/
+!/res/
+!/src/
+!/views/
+!/composer.json
+!/composer.lock
+!/LICENSE
+!/php-cli.ini

Dockerfile

@@ -1,46 +1,36 @@
-FROM php:7-alpine
+FROM php:7-cli-alpine
 
 MAINTAINER https://github.com/composer/satis
 
-RUN apk --no-cache add curl git subversion mercurial openssh openssl tini zlib-dev
-
-RUN docker-php-ext-install zip \
- && echo "memory_limit=-1" > "$PHP_INI_DIR/conf.d/memory-limit.ini" \
- && echo "date.timezone=${PHP_TIMEZONE:-UTC}" > "$PHP_INI_DIR/conf.d/date_timezone.ini"
+RUN apk --no-cache add curl git subversion mercurial openssh openssl tini \
+ && apk add --update --no-cache --virtual .build-deps zlib-dev \
+ && docker-php-ext-install -j$(getconf _NPROCESSORS_ONLN) zip \
+ && runDeps="$( \
+    scanelf --needed --nobanner --format '%n#p' --recursive /usr/local/lib/php/extensions \
+    | tr ',' '\n' \
+    | sort -u \
+    | awk 'system("[ -e /usr/local/lib/" $1 " ]") == 0 { next } { print "so:" $1 }' \
+    )" \
+ && apk add --virtual .phpext-rundeps $runDeps \
+ && apk del .build-deps
 
 ENV COMPOSER_HOME /composer
 ENV PATH "/composer/vendor/bin:$PATH"
 ENV COMPOSER_ALLOW_SUPERUSER 1
 
-RUN mkdir /build \
- && mkdir /composer \
- && chmod -R 777 /composer \
- && curl -sfLo /tmp/composer-setup.php https://getcomposer.org/installer \
- && curl -sfLo /tmp/composer-setup.sig https://composer.github.io/installer.sig \
- && php -r " \
-    \$hash = hash('SHA384', file_get_contents('/tmp/composer-setup.php')); \
-    \$signature = trim(file_get_contents('/tmp/composer-setup.sig')); \
-    if (!hash_equals(\$signature, \$hash)) { \
-        unlink('/tmp/composer-setup.php'); \
-        echo 'Integrity check failed, installer is either corrupt or worse.' . PHP_EOL; \
-        exit(1); \
-    }" \
- && php /tmp/composer-setup.php --no-ansi --install-dir=/usr/bin --filename=composer \
- && composer --no-interaction --no-ansi --version \
- && rm /tmp/composer-setup.php
+COPY php-cli.ini /usr/local/etc/php/
+COPY --from=composer:latest /usr/bin/composer /usr/bin/composer
 
 WORKDIR /satis
 
 COPY ["composer.json", "composer.lock", "/satis/"]
-
-RUN composer install --no-interaction --no-ansi --no-autoloader --no-scripts --no-plugins --no-dev
-
 COPY bin /satis/bin/
 COPY res /satis/res/
-COPY views /satis/views/
 COPY src /satis/src/
+COPY views /satis/views/
 
-RUN composer dump-autoload --no-interaction --no-ansi --optimize --no-dev
+RUN composer install --no-interaction --no-ansi --no-scripts --no-plugins --no-dev --optimize-autoloader \
+ && rm -rf /composer/cache/files/* /composer/cache/repo/*
 
 ENTRYPOINT ["/sbin/tini", "-g", "--", "/satis/bin/docker-entrypoint.sh"]
 

php-cli.ini

@@ -0,0 +1,38 @@
+; Maximum amount of memory a script may consume
+memory_limit = -1
+
+; This directive informs PHP of which errors, warnings and notices you would like
+; it to take action for. The recommended way of setting values for this
+; directive is through the use of the error level constants and bitwise
+; operators.
+error_reporting = -1
+
+; This directive controls whether or not and where PHP will output errors,
+; notices and warnings too. Error output is very useful during development, but
+; it could be very dangerous in production environments. Depending on the code
+; which is triggering the error, sensitive information could potentially leak
+; out of your application such as database usernames and passwords or worse.
+; For production environments, we recommend logging errors rather than
+; sending them to STDOUT.
+display_errors = on
+
+; The display of errors which occur during PHP's startup sequence are handled
+; separately from display_errors. PHP's default behavior is to suppress those
+; errors from clients. Turning the display of startup errors on can be useful in
+; debugging configuration problems. We strongly recommend you
+; set this to 'off' for production servers.
+display_startup_errors = on
+
+; Besides displaying errors, PHP can also log errors to locations such as a
+; server-specific log, STDERR, or a location specified by the error_log
+; directive found below. While errors should not be displayed on productions
+; servers they should still be monitored and logging is a great way to do that.
+log_errors = on
+
+; Log errors to specified file. PHP's default behavior is to leave this value
+; empty.
+error_log = /tmp/php.log
+
+; Set maximum length of log_errors. In error_log information about the source is
+; added. The default is 1024 and 0 allows to not apply any maximum length at all.
+log_errors_max_len = 0