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image pinning: eliminate :latest from all 5 unpinned templates + standing gate

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bentopdf :latest -> v2.8.6; calibre-web :latest -> v4.0.6 (== running digest on
demo 9201, c31a738b - pin is a no-op); papra :latest -> 26.6.1-rootless (latest
was the rootless variant); recipe-importer :latest -> v0.9.11 (tag pre-existed,
digest-equal, no retag needed); termix :latest -> 2.5.0.

All five pins digest-identical to what :latest resolved to on 2026-07-12.
New gate scripts/check-image-pins.py (catches floating tags AND untagged refs;
red-proofed both shapes). Standing rule in CLAUDE.md + REUSE.md row.
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authentik Default Admin
2026-07-12 14:37:57 +02:00
parent 2ebe082a2a
commit 71828a81cf
11 changed files with 149 additions and 26 deletions
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REUSE.md
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@@ -16,6 +16,7 @@ None — this repo is templates/config, not code. See §2/§5.
| `.felhom.yml` required fields | `templates/paperless-ngx/.felhom.yml` | All 53 apps: `display_name`, `description` (Hungarian), `category`, `subdomain`, `slug`, `resources{mem_request, mem_limit, pi_compatible, needs_hdd}`, `deploy_fields`, `app_info{tagline, use_cases, first_steps, ...}`, `healthcheck`. Optional: `smtp_mapping` (email-capable apps), `open_path` (non-root landing page, e.g. ghost). |
| deploy_fields conventions | `templates/paperless-ngx/.felhom.yml` (`deploy_fields:` block) | Every app starts with `DOMAIN` (type `domain`) + `SUBDOMAIN` (type `subdomain`, `locked_after_deploy: true`). Secrets: `type: secret` + `generate:` — dominant generators `password:24` (DB passwords) and `hex:32` (app secret keys); `password:16` for shown admin passwords (`type: password`). HDD apps add `HDD_PATH` (`type: path`, placeholder `/mnt/felhom-drives/hdd_1`, locked). Labels/descriptions in Hungarian. |
| Controller-side health probe | `templates/vaultwarden/.felhom.yml` (`healthcheck:` block) | `healthcheck.checks[]` with `type: http` (port only), `type: api` (port + `path` + `expect.status: 200`), or `type: tcp` (port only — mealie, crafty-controller). Prefer `api` with a real health path when the app has one. |
| Image pinning | ALL `templates/*/docker-compose.yml` (`image:` line) | **Never `:latest` or untagged** (recovery-unit `ImagePins` pins the tag — `:latest` breaks restore fidelity). Pin a concrete version tag; an app deployed anywhere in the fleet pins to the digest it is RUNNING (pin ≠ upgrade); `@sha256:` digest pins also count. Gate: `python scripts/check-image-pins.py` after any compose change (swept 2026-07-12: 5 pins). TRAP: ghcr `tags/list` can be stale/partial — verify tag existence via `docker manifest inspect`, never the tag list. |
| Docker healthcheck host | ALL `templates/*/docker-compose.yml` (`healthcheck.test:`) | **Always `127.0.0.1`, never `localhost`.** BusyBox `wget` (and node/python/curl one-shots) resolve `localhost`→IPv6 `::1` with NO cross-address-family fallback; an app that binds IPv4-only then reads docker-`unhealthy` while fully serving (vaultwarden, re-run 2026-07-06 — swept all 48 templates). |
| Docker healthcheck — BusyBox/wget images | `templates/vaultwarden/docker-compose.yml` (~L49) | `test: ["CMD", "wget", "--spider", "-q", "http://localhost:<port>/<path>"]`. Most common family (~20 apps, e.g. homebox, glance). |
| Docker healthcheck — curl-capable images | `templates/paperless-ngx/docker-compose.yml` (~L76) | `test: ["CMD", "curl", "-f", "http://localhost:<port>/<path>"]` (~18 apps: jellyfin, immich, sonarr…). |