Make blackfire.ini configurable from file

images/php/8.1/Dockerfile

@@ -78,14 +78,14 @@ RUN version=$(php -r "echo PHP_MAJOR_VERSION.PHP_MINOR_VERSION;") \
     && mkdir -p /tmp/blackfire \
     && tar zxpf /tmp/blackfire-probe.tar.gz -C /tmp/blackfire \
     && mv /tmp/blackfire/blackfire-*.so $(php -r "echo ini_get ('extension_dir');")/blackfire.so \
-    && printf "extension=blackfire.so\nblackfire.agent_socket=tcp://blackfire:8307\n" > $PHP_INI_DIR/conf.d/blackfire.ini \
     && rm -rf /tmp/blackfire /tmp/blackfire-probe.tar.gz
 
 RUN curl -sS https://getcomposer.org/installer | \
   php -- --install-dir=/usr/local/bin --filename=composer
 
+COPY conf/blackfire.ini $PHP_INI_DIR/conf.d/blackfire.ini
 COPY conf/msmtprc /etc/msmtprc
-COPY conf/php.ini /usr/local/etc/php/
+COPY conf/php.ini $PHP_INI_DIR
 COPY conf/php-fpm.conf /usr/local/etc/
 COPY conf/www.conf /usr/local/etc/php-fpm.d/
 

images/php/8.1/conf/blackfire.ini

@@ -0,0 +1,2 @@
+extension=blackfire.so
+blackfire.agent_socket=tcp://blackfire:8307