Files
SRCmail/VNCMAIL-SETUP.md
T
Bernd Rodler 3512f935d1 feat(ci): GitLab CI/CD dev→prod pipeline, kustomize base+overlays
Multiple developers now work on this repo, and the only working deploy
trigger required pushing to GitHub - which contradicts the standing
GitLab-canonical policy for this repo - while every actual deploy was a
manual kubectl run against one environment (no prod exists at all).

Restructures deploy/k8s/ into base/ + overlays/{dev,prod}: overlays/dev
is a verified byte-for-byte no-op for the live sandbox (kubectl kustomize
diff against the old flat layout is empty), overlays/prod is scaffolded
but inert (placeholder hostname + JMAP_SERVER_URL, since neither a prod
hostname decision nor a prod Stalwart exist yet). deploy/k8s/ca/ (the
EJBCA internal CA) is untouched and never referenced by either overlay.

Adds .gitlab-ci.yml: verify (MR gate, no push/deploy) -> build+deploy-dev
(automatic on push to dev, one image name/tag-only environments, fixing
the old -dev/-beta naming split) -> promote (manual, protected
`production` environment, retags the exact dev digest via
`docker buildx imagetools create` - never rebuilds - and is left as a
documented TODO for the actual `kubectl apply` until prod is real).

Updates VNCMAIL-SETUP.md and deploy/k8s/README.md to describe the new
flow and correct the aspirational promotion description that assumed a
"production image" CI never actually built.

Also fixes a pre-existing lint error (no-control-regex false positive on
an intentional DN-sanitizing character class in lib/smime-ca/ejbca.ts)
that was blocking this commit's pre-commit hook - unrelated to this
change otherwise, confirmed already present on dev before this branch.

Runner/RBAC/registry setup is an infra prerequisite this commit cannot
provide - documented in the pipeline plan, not part of this diff.
2026-08-05 11:43:55 +02:00

118 lines
5.9 KiB
Markdown

# VNCmail+ — setup & deploy runbook
VNCmail+ is VNC's fork of [Bulwark](https://github.com/bulwarkmail/webmail), a
Next.js (App Router) JMAP webmail client for **Stalwart**. Stalwart is the source
of truth; VNCmail+ is the UI. It deploys as a **container on Kubernetes
(microk8s)** at `vncmail.sandbox.vnc.de` — see **[deploy/k8s/](deploy/k8s/README.md)**.
> **License:** AGPL-3.0. Serving a modified VNCmail+ to users over the network
> obligates VNC to offer those users the corresponding source. Keeping this fork
> public (with a "Source" link in the imprint/UI) satisfies that. Loop in legal
> before a public/customer-facing launch if a closed fork is ever desired.
## Architecture — why a container, not Vercel
- Bulwark is a **stateful, long-lived server**: it persists settings-sync, admin
config/state, and telemetry to a **local data directory** (`/app/data/*`).
- **Vercel serverless was tried and dropped** — its filesystem is read-only
except `/tmp`, so Bulwark's `mkdir ./data` crashes (`ENOENT /var/task/data`).
You cannot point its data dirs at a remote host either (they're POSIX paths,
not URLs). Bulwark's native model is a container + persistent volumes.
- So VNCmail+ runs as a Docker image with **4 persistent volumes**, exactly
like the existing `bulwark.sandbox.vnc.de`.
- JMAP calls go through **server-side `/api/*` routes** (`proxy.ts`) → server-to-
server to Stalwart, **no browser CORS**. Config is **runtime-read**.
## Branches (dev-first)
| Branch | Role |
|--------|------|
| `main` | **Production.** Only updated by `git merge --ff-only dev`, then an explicit manual promote in CI. No prod environment exists yet — see "CI/CD" below. |
| `dev` | Integration + QA — default working branch. Every push auto-builds and auto-deploys to the sandbox (`vncmail.sandbox.vnc.de`). |
| `vnc/*`| Feature branches for UI work (branch off `dev`, MR into `dev` — required, gated by CI). |
All VNC customization lives under `vnc/` (see `vnc/VNC-CHANGES.md`).
## CI/CD — GitLab (canonical), Vercel-style dev→prod
Multiple developers work on this repo now, so `.gitlab-ci.yml` on
[gitlab.vnc.biz](https://gitlab.vnc.biz/gitlab-instance-b9b5cf2f/vncmail-plus)
(the canonical remote — GitHub `origin` is a passive mirror, not where CI or
deploys happen) drives the whole flow:
1. **MR into `dev`**`verify` stage runs (typecheck/lint/unit test/build).
Required check — no push, no deploy. This is the multi-developer gate.
2. **Merge to `dev`**`build` pushes one image,
`registry.gitlab.vnc.biz/.../vncmail-plus:sha-<sha>`, then `deploy-dev`
applies it to the sandbox automatically. No approval needed — dev always
deploys first.
3. **Merge to `main`** (fast-forward only, see below) → a `promote` job
appears, `when: manual`, gated behind a protected `production`
GitLab environment. It **never rebuilds** — it retags the exact image
already running on dev (registry-side copy, same digest) and would apply
it to a `vncmail-prod` namespace pinned to that digest.
Historical note: the old `-dev`/`-beta` GHCR image-name split
(`.github/workflows/docker-publish.yml`) is retired by this — one image name
now, environment lives only in the tag.
**Production doesn't exist yet.** `deploy/k8s/overlays/prod/` is scaffolded
(placeholder hostname, placeholder `JMAP_SERVER_URL` — there's no prod
Stalwart instance to point it at either) but inert: the `promote` job's real
`kubectl apply` step is deliberately left as a TODO in `.gitlab-ci.yml` until
a real hostname is decided and prod Stalwart exists. Standing up the runner/
RBAC/registry this pipeline needs is an infra prerequisite, not something CI
itself does — see the pipeline design doc referenced in `deploy/k8s/README.md`.
## Deploy (Kubernetes / microk8s)
Full runbook: **[deploy/k8s/README.md](deploy/k8s/README.md)**. In short:
1. CI (above) builds and pushes the image, one name/many tags, to GitLab's
registry.
2. `kubectl apply -k deploy/k8s/overlays/dev` (or `overlays/prod`, once real)
— base manifests (namespace, 4 PVCs, deployment, service, ingress) live in
`deploy/k8s/base/`, environment differences (namespace, hostname, replica
count) are overlay patches.
3. DNS + a `secret.yaml` (from the overlay's `secret.example.yaml`, gitignored,
created once by hand — CI never manages secret contents) + an image-pull
secret are the remaining manual, human, one-time steps per environment.
Runs alongside the existing `bulwark.sandbox.vnc.de`. Match your cluster's
StorageClass / IngressClass / cert issuer to bulwark's (see the runbook).
## Deploy workflow (dev-first — ALWAYS)
Same flow as every other VNC/SRC repo, now enforced structurally by CI rather
than by convention:
1. Work on `dev` (or `vnc/*` → MR into `dev`, CI-gated). Merge → auto-builds
and auto-deploys to `vncmail.sandbox.vnc.de`. QA there.
2. **Promote to production only on explicit go-live** — merge `dev``main`:
```bash
git log dev..main # MUST be empty — main must have nothing dev lacks (else prod would revert)
git checkout main && git merge --ff-only dev
git push gitlab main # never GitHub — opens the manual `promote` job, does not run it
git checkout dev
```
Then click `promote` in the GitLab pipeline UI (protected `production`
environment — requires the right role) once prod actually exists (see
"CI/CD" above). Never push straight to `main`. Never let a dev→main merge
silently revert prod.
## Syncing upstream (Bulwark releases)
Bring upstream into `dev` (NOT main), integrate + QA on the dev image, then promote as above:
```bash
git fetch upstream
git checkout dev && git merge upstream/main # resolve conflicts via vnc/VNC-CHANGES.md; QA on preview
```
## Auth
Basic auth via Stalwart is the default — users sign in with their
`@sandbox.vnc.de` address + password; VNCmail+ authenticates them over JMAP. No
extra config. (SSO via vncdirectory/OIDC is a later option — see
`vnc/vercel.env.template`.)