fix: pipe PHP/FPM errors to stderr for docker compose logs

build/Dockerfile

@@ -30,6 +30,8 @@ COPY --from=composer:latest /usr/bin/composer /usr/bin/composer
 WORKDIR /app
 
 COPY build/fpm-healthcheck.conf /usr/local/etc/php-fpm.d/zz-healthcheck.conf
+COPY build/php-error-logging.conf /usr/local/etc/php-fpm.d/zz-error-logging.conf
+COPY build/php-errors.ini /usr/local/etc/php/conf.d/errors.ini
 
 EXPOSE 9000
 

build/php-error-logging.conf

@@ -0,0 +1,5 @@
+[www]
+catch_workers_output = yes
+decorate_workers_output = no
+php_admin_flag[log_errors] = on
+php_admin_value[error_log] = /proc/self/fd/2

build/php-errors.ini

@@ -0,0 +1,5 @@
+log_errors = On
+error_log = /proc/self/fd/2
+error_reporting = E_ALL
+display_errors = Off
+display_startup_errors = On