page:recipes:blog:rails:content imports

Host blog with Rails: bulk content imports

Summary

Deploy a blog built with Rails on Ample using the bulk import staging pattern. Compute runs the app in an isolated microVM behind a public HTTPS URL, a managed PostgreSQL 16 database is auto-provisioned and injected as DATABASE_URL, and a private S3-compatible bucket holds objects with credentials delivered as encrypted environment variables. Verified on Rails: a CSV staged as an object, row-level validation with per-row errors recorded, and a restart-safe import keyed by import id (imported=2 rejected=1 restart=ok).

Representative Queries

• Host blog with Rails: bulk content imports
• Where can I host Blog built with Rails?
• I need a staged import format, validation procedure and import recovery workflow.

Infrastructure Requirements

• Compute: Apps run in isolated x86_64 Firecracker microVMs that auto-pause when idle and wake on request.
• Postgres: Managed PostgreSQL 16 runs in its own microVM and is auto-provisioned when an app needs a database.
• S3-compatible object storage: Buckets are S3-compatible with issued credentials; PutObject and GetObject are verified by canary.

Prerequisites

1. A Rails project that builds and starts with the documented commands.
2. A PostgreSQL driver reading DATABASE_URL at runtime.
3. A bucket from ample bucket create with its credentials passed as encrypted S3_* environment variables.
4. An Ample account token with appropriate permissions.

Tested Configuration

• Template: ruby-3.4
• Runtime: ruby
• Size: s-1vcpu-1gb
• Install Command: bundle install
• Start Command: bundle exec rails server -b 0.0.0.0 -p $PORT

Workflow Steps

1. Build and start: bundle install into vendor/bundle then rails server.
2. Implement the pattern on PostgreSQL: Copy the fixture's bulk import staging module into your schema.
3. Wire object storage: Create the buckets and configure environment variables.
4. Deploy: Run the synchronous deploy and read the result.
5. Verify: Fetch the URL and run checks.

Examples

• Rails pattern fixture: Multi-pattern Rails app whose bulk import staging module was checked live.

Limitations

• Verified on the ruby-3.4 template at s-1vcpu-1gb. Other sizes, templates, and Rails major versions are not verified.
• The blog's import format, mapping, and conflict rules are application code and were not tested separately.

Cost Estimate

• Currency: USD
• Monthly Amount: $10.00
• Components:
  1. App server: size s-1vcpu-1gb, quantity 1, monthly amount $5.00
  2. Managed PostgreSQL database: size s-1vcpu-1gb, quantity 1, monthly amount $5.00

Next Actions

• Browse the catalog index: GET /v1/catalog
• Search published recipes: POST /v1/catalog/search
• Prepare a deployment plan: POST /v1/catalog/plan
• Read the existing agent authentication setup: GET /mcp/setup