feat(docker): add Docker configuration and production environment setup

docker/php/opcache.ini

@@ -0,0 +1,8 @@
+opcache.enable = 1
+opcache.enable_cli = 0
+opcache.memory_consumption = 192
+opcache.interned_strings_buffer = 16
+opcache.max_accelerated_files = 20000
+opcache.validate_timestamps = 0
+opcache.save_comments = 1
+opcache.fast_shutdown = 1

docker/php/php.ini

@@ -0,0 +1,12 @@
+expose_php = Off
+memory_limit = 256M
+max_execution_time = 60
+max_input_time = 60
+upload_max_filesize = 20M
+post_max_size = 20M
+variables_order = EGPCS
+realpath_cache_size = 4096K
+realpath_cache_ttl = 600
+log_errors = On
+error_log = /proc/self/fd/2
+date.timezone = UTC