Add docker config files for db

Author: relliv

percona/.env-example

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+# MySQL
+MYSQL_DB=any_db_name
+MYSQL_USER=any_user
+MYSQL_PASSWORD=secret
+MYSQL_ROOT_PASSWORD=root_secret
+MYSQL_PORT=33307
+
+# Percona
+MYSQL_ALLOW_EMPTY_PASSWORD=no
+MYSQL_INITDB_SKIP_TZINFO=no
+INIT_TOKUDB=no
+INIT_ROCKSDB=no

percona/.gitignore

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+.env
+*.sql
+*.sql.gz
+data/mysql-backup/backups/*
+data/mysql-workbench/config/*

percona/docker-compose.yml

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+version: "3.8"
+
+services:
+  # Percona for MySQL
+  percona_1_db:
+    image: percona:latest
+    container_name: percona_1_db
+    restart: unless-stopped
+    ports:
+      - ${MYSQL_PORT}:3306
+    environment:
+      MYSQL_DATABASE: ${MYSQL_DB}
+      MYSQL_USER: ${MYSQL_USER}
+      MYSQL_PASSWORD: ${MYSQL_PASSWORD}
+      MYSQL_ROOT_PASSWORD: ${MYSQL_ROOT_PASSWORD}
+      MYSQL_ALLOW_EMPTY_PASSWORD: ${MYSQL_ALLOW_EMPTY_PASSWORD}
+    networks:
+      - percona_net
+
+networks:
+  percona_net:
+    driver: bridge