add docker for local and production

docker/mysql.cnf

@@ -0,0 +1,30 @@
+[mysqld]
+# General settings
+default-authentication-plugin = mysql_native_password
+character-set-server = utf8mb4
+collation-server = utf8mb4_unicode_ci
+
+# Connection settings
+max_connections = 200
+connect_timeout = 60
+wait_timeout = 600
+interactive_timeout = 600
+
+# Buffer settings
+innodb_buffer_pool_size = 256M
+innodb_log_file_size = 64M
+innodb_log_buffer_size = 16M
+innodb_flush_log_at_trx_commit = 1
+
+# Query cache
+query_cache_type = 1
+query_cache_size = 32M
+query_cache_limit = 2M
+
+# Logging
+slow_query_log = 1
+slow_query_log_file = /var/log/mysql/slow.log
+long_query_time = 2
+
+# Security
+local_infile = 0