docs: topic notes 2026-07-09 (keys-wire, ipv6, castopod, …)

2026/2026-07-09--bonfire-ground-zero.md

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+# Bonfire ground zero + FOSS posts + gitbot (2026-07-09)
+
+## Stack
+
+| Item | Value |
+|------|--------|
+| Path | `/home/hernani/koopa-bonfire/` |
+| Containers | `koopa-bonfire`, `koopa-bonfire-db` |
+| Port | **9021** → Caddy `bonfire.hacktivism.ch` |
+| Image | `bonfirenetworks/bonfire:1.0.5-social-amd64` |
+| Env | secrets **64** chars; `DB_MIGRATE_INDEXES_CONCURRENTLY=false` |
+
+Ground zero: wiped volume + dir, clean migrate (import_me `20200828094944` applied, ~109 migrations, identity tables present).
+
+## Accounts
+
+| Login | Role |
+|-------|------|
+| `foss` / `foss@bonfire.hacktivism.ch` | FOSS posts |
+| character `gitbot` | same account (multi-profile) |
+
+Passwords: `/home/hernani/koopa-bonfire/users.env` (mode 600).
+
+Public: https://bonfire.hacktivism.ch/
+
+## FOSS posts (as @foss)
+
+Topics: NGI0 dossiers, SM dossier, Castopod pilot, git.ngi-0.eu, four freedoms — linking **https://dossiers.ngi-0.eu/** and **https://git.ngi-0.eu/**.
+
+## Commit mirror bot
+
+- Script: `~/koopa-bonfire/bin/gitbot-mirror.py`
+- State: `~/koopa-bonfire/gitbot-state.json` (seen SHAs)
+- Loop: every **300s**, pidfile `~/koopa-bonfire/gitbot.pid`, log `~/koopa-bonfire/gitbot.log`
+- Source: Forgejo API `https://git.ngi-0.eu/api/v1/repos/search` + `…/commits`
+
+```bash
+# status
+ps -p "$(cat ~/koopa-bonfire/gitbot.pid)" -o pid,cmd
+tail -20 ~/koopa-bonfire/gitbot.log
+
+# one-shot
+python3 ~/koopa-bonfire/bin/gitbot-mirror.py
+
+# restart loop
+kill "$(cat ~/koopa-bonfire/gitbot.pid)"; \
+  nohup python3 ~/koopa-bonfire/bin/gitbot-mirror.py --loop >>~/koopa-bonfire/gitbot.log 2>&1 & \
+  echo $! >~/koopa-bonfire/gitbot.pid
+```
+
+Note: occasional `URI.parse/1` errors on some commit messages (special chars / URLs); bot skips and retries later.
+
+## Lessons
+
+- First boot needs **≥64-byte** `SECRET_KEY_BASE`.
+- Migrations: **`DB_MIGRATE_INDEXES_CONCURRENTLY=false`** on empty DB (avoids concurrent index in txn).
+- Partial DB → wipe volume and ground zero rather than patch half-migrated state.