Shared image repository

icons/ is served as /image/icons/. General portraits follow these rules:

icons/장수/<장수명>.<확장자> is the canonical shared path.
Scenario-specific collections keep a separate directory such as icons/걸그룹/ or icons/롤시나리오/.
Root-level numeric files such as icons/1047.jpg are compatibility aliases for deployed legacy versions. Do not delete or replace them while those versions are in service.
A general name must map to one canonical file. If two records intentionally need different portraits, disambiguate the scenario name or use an explicit scenario-specific path.

The core2026 repository owns resources/general-icons.json and tools/manage-general-icons.mjs. Use that tool with this repository as --image-root to synchronize aliases, scenario paths, and verify that every catalog source exists and has identical bytes.

Public URLs

The same tracked files are exposed through both URL contracts:

https://sam.hided.net/image/game/... and /image/icons/...
https://sam-image.hided.net/game/... and /icons/...
https://sam-image.hided.net/image/... is a compatibility alias.

Do not redirect the old /image/* URLs to the dedicated domain. Existing PHP and core2026 clients use same-origin relative paths and can move independently. The image server never exposes the repository root, .git, PHP sources, or directory listings.

Node webhook deployment service

compose.yaml runs a read-only Nginx static edge and an internal Node service. Only the edge publishes port 8191. The Node service verifies the raw Gitea X-Gitea-Signature, accepts push events for devsam/image, fetches the exact remote branch tip, rejects dirty or non-fast-forward updates, and serializes all Git changes. The initial and only allowed branch is master unless IMAGE_ALLOWED_BRANCHES is explicitly expanded.

The service is reverse-proxy agnostic. Its current reverse proxy happens to reach this server from 172.30.1.75, but Caddy, Nginx, HAProxy, or another proxy can be used. Keep every observed proxy source CIDR in the untracked TRUSTED_PROXY_CIDRS value, separated by commas or spaces, and re-check the value whenever proxy networking changes. The published port binds all server interfaces, so production also needs a host DOCKER-USER (or equivalent) firewall rule allowing those source CIDRs to TCP 8191 and rejecting other sources. The static Nginx edge applies the same source allowlist.

Prepare

cp .env.example .env
./deploy/scripts/init-secrets.sh
docker compose config --quiet
docker compose build

Apply and inspect the dedicated Docker ingress chain with root privileges:

sudo env TRUSTED_PROXY_CIDRS=172.30.1.75/32 IMAGE_PORT=8191 \
  ./deploy/scripts/firewall-8191.sh apply
sudo ./deploy/scripts/firewall-8191.sh check

The script only owns the SAM_IMAGE_INGRESS chain and its port-8191 jump from DOCKER-USER; it does not flush shared firewall chains.

Secret values are generated under ignored secrets/ files with mode 0600 and are never printed. Put the contents of secrets/gitea_webhook_secret into the Gitea webhook configuration. Configure a JSON push webhook targeting:

https://sam-image.hided.net/v1/hooks/gitea

Use branch filter master. Disable the old PHP webhook before enabling the new writer. The legacy PHP files remain in hook/ for an explicit rollback, but PHP and Node must never mutate the checkout concurrently.

Legacy HTTP mutation is disabled by default. An emergency PHP rollback must first stop image-hook, then create the ignored hook/legacy-enabled sentinel in the legacy checkout before restoring its Caddy/Gitea route. Remove the sentinel before Node is started again. CLI execution of hook/git_pull.php from the hook/ directory remains available for local recovery without exposing the HTTP endpoint.

Start and verify

docker compose up -d --build
docker compose ps
curl -fsS https://sam-image.hided.net/healthz
curl -fsS https://sam-image.hided.net/v1/status
curl -fsS https://sam-image.hided.net/game/back.jpg -o /dev/null
curl -fsS https://sam-image.hided.net/image/icons/default.jpg -o /dev/null

Nginx serves only game/, icons/, hook/list.json, and hook/inventory.v2.json. The API inventory additionally reports the deployed branch, full commit, generation time, asset list, and both public base URLs.

Explicit branch deployment

Automatic pushes only update the active branch. Add a branch to IMAGE_ALLOWED_BRANCHES, recreate image-hook, and switch it with the internal signed administration command:

./deploy/scripts/admin-deploy.sh <branch> [expected-commit]

The administration route is not exposed through the public reverse proxy.

Tests and rollback

docker build -t sam-image-hook:test node-hook
docker run --rm sam-image-hook:test npm test
docker compose exec -T image-web nginx -t -c /tmp/nginx.conf

Stopping image-hook does not remove the last checked-out files from the static service. For a full rollback, stop Node mutation first, restore the old Caddy/PHP webhook route, and only then enable the legacy writer. Preserve both checkouts until public file hashes and representative browser requests have been verified.

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