Refactored Docker setup: migrated to PHP-FPM and NGINX, optimized build process, removed unnecessary Unit files.

app/docker/php/conf/app-fpm.conf

@@ -0,0 +1,28 @@
+[www]
+php_admin_value[upload_tmp_dir] = "/tmp/php/upload"
+php_admin_value[sys_temp_dir] = "/tmp/php/sys"
+php_admin_value[session.save_path] = "/tmp/php/session"
+php_admin_value[open_basedir] = "/var/www/html:/tmp/php:."
+php_admin_value[expose_php] = 0
+php_admin_value[memory_limit] = ${PHP_FPM_MEMORY_LIMIT}
+php_admin_value[upload_max_filesize] = ${PHP_FPM_UPLOAD_MAX_FILESIZE}
+php_admin_value[post_max_size] = ${PHP_FPM_POST_MAX_SIZE}
+php_admin_value[display_errors] = ${PHP_FPM_DISPLAY_ERRORS}
+php_admin_value[opcache.enable] = ${PHP_FPM_OPCACHE_ENABLE}
+php_admin_value[opcache.validate_timestamps] = ${PHP_FPM_OPCACHE_VALIDATE_TIMESTAMPS}
+php_admin_value[session.upload_progress.enabled] = ${PHP_FPM_SESSION_UPLOAD_PROGRESS_ENABLED}
+php_admin_value[fatal_error_backtraces] = ${PHP_FPM_FATAL_ERROR_BACKTRACES}
+
+pm = dynamic
+pm.max_children = ${PHP_FPM_PM_MAX_CHILDREN}
+pm.start_servers = ${PHP_FPM_PM_START_SERVERS}
+pm.min_spare_servers = ${PHP_FPM_PM_MIN_SPARE_SERVERS}
+pm.max_spare_servers = ${PHP_FPM_PM_MAX_SPARE_SERVERS}
+pm.max_requests = ${PHP_FPM_PM_MAX_REQUESTS}
+
+
+listen = 127.0.0.1:9000
+listen.mode = 0660
+listen.owner = www-data
+listen.group = www-data
+security.limit_extensions = .php