feat(ekonomi): refactor umkm module with sales delete, stock validation, and ordering system

.claude/DEPLOYMENT.md

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+# Deployment
+
+## Environment Variables
+
+Copy `.env.example` to `.env`. Required variables:
+
+```env
+DATABASE_URL="postgresql://..."
+NEXT_PUBLIC_BASE_URL="/"
+BASE_SESSION_KEY="..."      # random string
+BASE_TOKEN_KEY="..."        # random string
+SESSION_PASSWORD="..."      # min 32 chars
+SEAFILE_TOKEN="..."
+SEAFILE_REPO_ID="..."
+SEAFILE_URL="..."
+MINIO_ENDPOINT="..."
+MINIO_ACCESS_KEY="..."
+MINIO_SECRET_KEY="..."
+MINIO_BUCKET="..."
+MINIO_USE_SSL="..."
+```
+
+## Docker
+
+Multi-stage build: `oven/bun:1-debian` → builder → runner. The runner creates a `nextjs` user (UID 1001), exposes port 3000, and mounts `/app/uploads` as a volume. Entrypoint runs migrations automatically.
+
+## CI/CD
+
+GitHub Actions workflows in `.github/workflows/`:
+- `docker-publish.yml` — triggers on `v*` tags, pushes to GHCR
+- `publish.yml` — manual build & push
+- `re-pull.yml` — triggers Portainer to redeploy latest image
+
+To release: tag with `git tag -a v0.1.x -m "..."` and push the tag.