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trails/openspec/specs/infrastructure/spec.md
Ullrich Schäfer e530492753
Archive phase-1-mvp, sync specs to main 
All 85 tasks complete. Archive change to openspec/changes/archive/ and
sync 9 capability specs to openspec/specs/ for future reference.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-03-25 02:55:28 +01:00

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ADDED Requirements

Requirement: Terraform Hetzner provisioning

Infrastructure SHALL be provisioned on Hetzner Cloud using Terraform with the Hetzner provider.

Scenario: Provision server

  • WHEN terraform apply is run
  • THEN a Hetzner CX21 server (2 vCPU, 4 GB RAM, 40 GB SSD) is created with Docker installed

Requirement: Docker Compose deployment

All services SHALL be deployed via Docker Compose on the Hetzner server.

Scenario: Start all services

  • WHEN docker compose up -d is run on the server
  • THEN the Journal, Planner, BRouter, PostgreSQL, and Garage containers start and are reachable

Requirement: Service configuration

Each service SHALL be configured via environment variables defined in Docker Compose.

Scenario: Journal configuration

  • WHEN the Journal container starts
  • THEN it reads DOMAIN, DATABASE_URL, PLANNER_URL, S3_ENDPOINT, and S3_BUCKET from environment variables

Scenario: Planner configuration

  • WHEN the Planner container starts
  • THEN it reads BROUTER_URL and DATABASE_URL from environment variables

Requirement: PostgreSQL with PostGIS

The database SHALL be PostgreSQL with the PostGIS extension for spatial queries.

Scenario: PostGIS available

  • WHEN the PostgreSQL container starts
  • THEN the PostGIS extension is available and can be enabled with CREATE EXTENSION postgis

Requirement: BRouter segment management

The infrastructure SHALL support downloading and updating Germany RD5 segments from brouter.de.

Scenario: Download segments

  • WHEN the segment download script is run
  • THEN Germany RD5 files (E5_N45, E5_N50, E10_N45, E10_N50) are downloaded to the segments volume

Scenario: Weekly segment update

  • WHEN the weekly cron job runs
  • THEN RD5 segments are updated from brouter.de and the BRouter container is restarted

Requirement: CI/CD pipeline

GitHub Actions SHALL build and deploy both apps on push to main.

Scenario: Push triggers deployment

  • WHEN code is pushed to the main branch
  • THEN GitHub Actions builds Docker images, pushes to ghcr.io/trails-cool/, and deploys to the Hetzner server

Requirement: Backup strategy

The infrastructure SHALL include daily backups of the PostgreSQL database.

Scenario: Daily backup

  • WHEN the daily backup cron runs
  • THEN a PostgreSQL dump is uploaded to the Hetzner Storage Box

Requirement: Domain and TLS

The infrastructure SHALL configure DNS and TLS for trails.cool and planner.trails.cool.

Scenario: HTTPS access

  • WHEN a user navigates to https://trails.cool
  • THEN the connection is secured with a valid TLS certificate