feat: mysql-bkup v2 on bkupkit

MysQL backup and restore built on the shared bkupkit core:
streaming end to end, with no dump held in memory or written to
local disk.

examples/docker-compose.s3.yaml

@@ -6,21 +6,21 @@ services:
     # for a list of available releases.
     image: jkaninda/mysql-bkup
     container_name: mysql-bkup
-    command: backup --storage s3 -d my-database"
+    command: backup --storage s3 -d my-database
     environment:
       - DB_PORT=3306
       - DB_HOST=mysql
       - DB_NAME=database
-      - DB_USERNAME=username
+      - DB_USER=username
       - DB_PASSWORD=password
       ## AWS configurations
       - AWS_S3_ENDPOINT=https://s3.amazonaws.com
       - AWS_S3_BUCKET_NAME=backup
-      - AWS_REGION="us-west-2"
+      - AWS_REGION=us-west-2
       - AWS_ACCESS_KEY=xxxx
       - AWS_SECRET_KEY=xxxxx
       ## In case you are using S3 alternative such as Minio and your Minio instance is not secured, you change it to true
-      - AWS_DISABLE_SSL="false"
+      - AWS_DISABLE_SSL=false
       - AWS_FORCE_PATH_STYLE=true # true for S3 alternative such as Minio
       # mysql-bkup container must be connected to the same network with your database
     networks: