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 # DumpSync
-MySQL dump auto sync tool
+
+A simple tool for dump and restore a MySQL database. It can be used for backup and restore purposes, or for transferring a database from one server to another.
+
+## Overview
+
+This tool allows for automatic dumps of a MySQL database at configurable time intervals, saving the files in a specified directory. Configuration can be done via environment variables or command-line arguments, providing flexibility for different usage contexts.
+
+## Installation
+
+To install the tool, you can use the following command:
+
+```bash
+cargo install dumpsync
+```
+
+### Parameters
+
+The tool uses three main parameters, which can be configured via arguments or environment variables.
+
+1. **Database Name (`dbname`)**The name of the database to be dumped. This parameter is required for the dump to execute successfully.
+
+   - **Command-Line Argument**: `--database`
+   - **Environment Variable**: `DB_NAME`
+   - **Behavior**: If the `--database` argument is provided, it will be used. Otherwise, the `DB_NAME` environment variable will be used.
+2. **Dump Interval (`interval`)**Time interval, in seconds, between each database dump. This parameter defines the frequency of automatic backups.
+
+   - **Command-Line Argument**: `--interval`
+   - **Environment Variable**: `DS_DUMP_INTERVAL`
+   - **Behavior**: If the `--interval` argument is provided, it will be used. Otherwise, the `DS_DUMP_INTERVAL` environment variable will be used.
+3. **Backup Path (`backup_path`)**Directory where dump files will be saved. You can specify a local or remote folder as needed.
+
+   - **Command-Line Argument**: `--folder`
+   - **Environment Variable**: `DS_DUMP_PATH`
+   - **Behavior**: If the `--folder` argument is provided, it will be used. Otherwise, the `DS_DUMP_PATH` environment variable will be used.
+
+#### Usage Example
+
+**Command-Line Arguments**:
+
+```bash
+dumpsync -d my_database -i 3600 -f /backups/mysql
+```
+
+**Environment Variables**:
+
+```bash
+DB_USER="YOUR_USERNAME"
+DB_PASSWORD="YOUR_PASSWORD"
+DB_NAME="YOUR_DATABASE"
+
+DS_DUMP_INTERVAL="3600"
+DS_DUMP_PATH="/path/to/"
+```
+
+#### Notes
+
+- The tool requires read and write permissions in the directory set for `backup_path`.
+- The MySQL database must be accessible for the dump to proceed.
+- It is recommended to test the initial configuration to ensure that parameters are correct and the backup executes as expected.