Deployment

Deployment is automated via Forgejo action. See .forgejo directory. Deployment actions are always executed by the deploy user on the VPS.

The application resides at /var/www/eolas-api on the VPS. The SQLite database file that the API reads from is stored at /data/sqlite/eolas.

Automated pipeline

On pushes to main:

• Bump version depending on commit keyword, create Git tag (if necessary) and automatically update package.json:

• Install rsync on the ubuntu-latest runner

• rysnc over SSH to copy changed files from this repository to VPS deployment directory, excluding.env.

• Restart running instance of eolas-api on VPS.

Commit keywords

In accordance with SemVer:

• Major: major: <commit description>,
• Minor: feat: <commit description>,
• Patch: fix: <commit description>

Ignored keywords: chore, test, refactor, and anything else.

systemd service

On the VPS, eolas-api runs as a systemd service. This service is restarted as part of the deployment. See copy of this file at systemd/eolas-api.service.

Logs

journalctl -u eolas-api.service --no-pager

API

Entries

Get all entries

Return all entries. Optionally limit by length and/or date.

GET /entries?limit=2&sort=date

{
  "count": 5,
  "data": [
    {
      "title": "SSH",
      "last_modified": "2025-07-10 14:26:04"
    },
    {
      "title": "List_largest_files_bash",
      "last_modified": "2025-07-07 16:49:12"
    }
  ]
}

Get specific entry

GET /entries/Memory_versus_processor

{
  "title": "Memory_versus_processor",
  "last_modified": "2024-10-18 19:17:01",
  "size": 270,
  "body": "# Memory versus processor\n\n Would a more powerful processor with average or reduced memory capacity..."
}

Get backlinks for an entry

Defaults to alphabetic list.

GET /entries/backlinks/The_kernel

{
  "count": 3,
  "data": ["Boot_process", "Containerization", "CPU_architecture"]
}

Get outlinks for an entry

Defaults to alphabetic list.

GET /entries/outlinks/The_kernel

{
  "count": 3,
  "data": ["Basic_model_of_the_operating_system", "Processes", "User_Space"]
}

Get entries associated with a specified tag

Optionally sort chronologically.

GET /entries/tag/memory?sort=date

{
  "count": 3,
  "data": [
    {
      "entry_title": "Memory_addresses"
    },
    {
      "entry_title": "Call_stack"
    },
    {
      "entry_title": "The_memory_hierarchy"
    }
  ]
}

Tags

Get all tags

Sorted alphabetically.

GET /tags

{
  "count": 119,
  "data": ["algebra", "algorithms", "analogue", "android", "..."]
}

Get tags for specified entry

GET /tags/The_kernel

{
  "count": 4,
  "data": [
    "computer-architecture",
    "memory",
    "operating-systems",
    "systems-programming"
  ]
}