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# compose/ — repo-owned Compose declarations
Non-secret Compose sources for the Docker hosts. Secrets are **never** in these
files: every secret is a `${VAR}` reference resolved from the **server-local
`.env`** (docker compose reads `.env` from the project directory automatically).
## Source-of-truth matrix
| Project | Host | Compose source | Mechanism |
|---------|------|----------------|-----------|
| `vaultwarden` | us2 (`/opt/vaultwarden`) | `compose/vaultwarden/compose.yml` | static file + `compose-deploy.yml` |
| `pdns` | hk2 (`/opt/pdns`) | `compose/pdns/compose.yml` | static file + `compose-deploy.yml` |
| `pgdb` | pgdb (`/opt/database`, 无 ansible) | `compose/pgdb/compose.yml` | static file(手动部署:scp → `docker compose config -q``up -d`;服务器文件名 `docker-compose.yml` |
| `soft-serve` | us2 (`/opt/soft-serve`) | `compose/soft-serve/compose.yml` (+ `Dockerfile.backup`, `scripts/`) | static file(参考镜像, 未接入 compose-deploy; 服务器文件为准) |
| `adguardhome` | dns.windy.lan (`/opt/adguardhome`) | — (待从 LAN 提取) | static file (pending) |
| `unifi` | ubnt (`/home/windy/unifi-9`) | — (待从 LAN 提取) | static file (pending) |
| `wireguard` | us4 (`/opt/wireguard`) | `ansible/templates/wireguard-compose.yml.j2` | role-rendered (inventory vars) |
| `rustdesk` | hk2 (`/opt/rustdesk`) | `ansible/roles/rustdesk/templates/compose.yml.j2` | role-rendered (inventory vars) |
| `mailcow` | mx2 (`/opt/mail`) | — (mailcow update generator owns it) | excluded by design |
Mechanism rule: **static** `compose/<project>/compose.yml` for declarations that
do not vary per host; **role-rendered j2** for declarations driven by inventory
vars (image pins, relay host). One mechanism per project; do not duplicate a
project in both.
## Deploying a static project
```bash
cd ansible
# Read-only diff + validation against the server .env (no writes)
ansible-playbook playbooks/compose-deploy.yml --limit vaultwarden --check --diff
# Apply: stage repo file → validate `docker compose config -q` → backup current
# file → promote → `docker compose up -d` (gated)
ansible-playbook playbooks/compose-deploy.yml --limit vaultwarden \
-e '{"compose_deploy_confirm": true}'
```
See [`../runbooks/ansible-operations.md`](../runbooks/ansible-operations.md).
## Adding a project
1. Sanitize the live compose so every secret is `${VAR}` from `.env`
(prefer `${VAR:?missing VAR}` for required keys).
2. Commit `compose/<project>/compose.yml` + `.env.example` (key names only).
3. Add `compose_repo_project` (+ `compose_remote_file` if not `compose.yml`) to
the host in `ansible/inventory/hosts.yml`, and allowlist the project in
`ansible/roles/compose_deploy/defaults/main.yml`.
4. Verify with `--check --diff` (zero diff) then a gated apply.