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EFS Volume Demonstration with Multiple Services on Convox V2 ECS Racks

This repository demonstrates a Python application configured to run as multiple services on Convox V2 (ECS) racks, showcasing the use of a shared Amazon EFS volume. Each service writes unique data to the same files within the EFS volume, illustrating how multiple containerized services can interact with shared persistent storage.

Note for V2 Racks: This example highlights the capability of V2 ECS racks on Convox to support shared EFS volumes across multiple services for persistent data storage needs.

Structure

  • convox.yml: Defines multiple services that share a single EFS volume mounted at /data. Each service is configured with a unique SERVICE_NAME environment variable to demonstrate shared volume access.
  • Dockerfile: Sets up the Python environment and copies the application script into the Docker image.
  • app.py: Modified to write and append files with unique service identifiers, proving that multiple services are accessing and modifying the same files on the shared EFS volume.

Functionality

  • Unique Timestamped Files: Each service creates timestamped files at one-minute intervals, appending their unique SERVICE_NAME to the filename and contents.
  • Shared Persistent File Updates: Both services append entries to a common persistent file every 1.5 minutes, showcasing their concurrent access to shared volume storage.