---
title: "Deploy Mongodb Data Migration"
description: "Migrate data of mongodb between services on railway"
category: "Storage"
url: https://railway.com/deploy/mongo-migration-railway
---

# Deploy Mongodb Data Migration

Migrate data of mongodb between services on railway

**[Deploy Mongodb Data Migration on Railway](https://railway.com/template/mongo-migration-railway)**

- **Creator:** Muhammad Bilal
- **Category:** Storage
- **Total deploys:** 3

## Template content

### mongo-migration-railway

- **Source:** iqbalexperience/mongo-backup-tool-railway

## Documentation

# Deploy and Host mongo-migration-railway on Railway

**mongo-migration-railway** is a robust shell-based utility designed to migrate MongoDB databases using compressed archive files. By leveraging `mongodump` and `mongorestore` with Gzip compression and wildcard namespace mapping, it ensures that data is safely backed up to an intermediate file before being projected into a target destination, regardless of database naming differences.

## About Hosting mongo-migration-railway

Hosting this utility on Railway involves deploying a container that executes a multi-step Bash script. Unlike a simple stream, this implementation captures a point-in-time snapshot in a `/data` directory before initiating the restore. This is particularly useful for Railway users who need to move data between databases with different names, as the script uses `--nsFrom='*'` and `--nsTo='*'` to force the data into the target's specific schema. When deploying, ensure the Railway service has sufficient **ephemeral disk space** to hold the compressed archive. Most importantly, set the **Restart Policy** to **"Never"** to prevent the script from re-running and overwriting your data once the migration is successful.

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## Common Use Cases

  - **Database Renaming:** Moving data from a source named `prod_db` to a target named `railway_db` without manual collection mapping.
  - **Resilient Migrations:** Scenarios where a local compressed backup is preferred for validation before the data is sent to the destination server.
  - **Bandwidth Optimization:** Using `--gzip` to compress data during both the dump and restore phases, which is ideal for cross-region migrations where network costs or speeds are a factor.

## Dependencies for mongo-migration-railway Hosting

  - **Source & Destination URLs:** Environment variables (`SOURCE_URL`, `DESTINATION_URL`) containing full MongoDB connection strings.
  - **MongoDB Database Tools:** The `mongodump` and `mongorestore` binaries must be present in the container at the defined `./mongodb-database-tools/bin/` path.
  - **Write Permissions:** The container must have permission to write to the `/data` directory for creating the archive.

### Deployment Dependencies

  - [Railway Documentation: Using Ephemeral Storage](https://docs.railway.app/guides/volumes)
  - [MongoDB Documentation: mongorestore Namespace Options](https://www.google.com/search?q=https://www.mongodb.com/docs/database-tools/mongorestore/%23std-option-mongorestore.--nsFrom)
  - [Official MongoDB Database Tools Download](https://www.mongodb.com/try/download/database-tools)

## Why Deploy mongo-migration-railway on Railway?


Railway is a singular platform to deploy your infrastructure stack. Railway will host your infrastructure so you don't have to deal with configuration, while allowing you to vertically and horizontally scale it.

By deploying mongo-migration-railway on Railway, you are one step closer to supporting a complete full-stack application with minimal burden. Host your servers, databases, AI agents, and more on Railway.


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