Initial commit: add FastAPI MVP (모프) and existing web app

Includes FastAPI+Jinja2+HTMX+SQLite implementation with seed categories, plus deployment templates.

Co-authored-by: Cursor <cursoragent@cursor.com>

docs/deploy-ubuntu-docker.md

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+# Ubuntu 22.04 + Docker로 운영 배포 (prompt.ncue.net)
+
+목표: `https://prompt.ncue.net` → Caddy(자동 HTTPS) → `web`(Next.js) → PostgreSQL(`ncue.net/all_prompt`)
+
+## 1) 서버 사전 준비
+
+### 1.1 DNS
+
+- `prompt.ncue.net` A 레코드가 서버 공인 IP를 가리키도록 설정
+
+### 1.2 방화벽
+
+- TCP 80, 443 오픈
+
+### 1.3 Docker 설치
+
+```bash
+sudo apt-get update
+sudo apt-get install -y ca-certificates curl gnupg
+
+sudo install -m 0755 -d /etc/apt/keyrings
+curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo gpg --dearmor -o /etc/apt/keyrings/docker.gpg
+sudo chmod a+r /etc/apt/keyrings/docker.gpg
+
+echo \
+  "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.gpg] https://download.docker.com/linux/ubuntu \
+  $(. /etc/os-release && echo $VERSION_CODENAME) stable" | \
+  sudo tee /etc/apt/sources.list.d/docker.list > /dev/null
+
+sudo apt-get update
+sudo apt-get install -y docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin
+sudo systemctl enable --now docker
+```
+
+## 2) 배포
+
+```bash
+sudo mkdir -p /opt/all-prompt
+sudo chown -R $USER:$USER /opt/all-prompt
+
+cd /opt/all-prompt
+git clone <YOUR_REPO_URL> .
+
+cp .env.example .env
+nano .env
+```
+
+`.env` 필수:
+
+- `DATABASE_URL`: `postgresql://ncue:<PASSWORD>@ncue.net:5432/all_prompt?schema=public`
+- `CADDY_EMAIL`: 인증서 발급용 이메일
+
+실행:
+
+```bash
+docker compose up -d --build
+docker compose ps
+```
+
+확인:
+
+- `https://prompt.ncue.net/api/health`
+- `https://prompt.ncue.net/entities`
+- `https://prompt.ncue.net/prompts`
+
+## 3) 초기 스키마/시드(필요할 때만 1회)
+
+> 원격 DB에 테이블이 없다면 실행.
+
+```bash
+docker compose --profile init run --rm db_init
+docker compose --profile init run --rm db_seed
+```
+
+## 4) 운영 팁
+
+### 로그
+
+```bash
+docker compose logs -f --tail=200 web
+docker compose logs -f --tail=200 caddy
+```
+
+### 업데이트
+
+```bash
+git pull
+docker compose up -d --build
+```
+
+### 인증서/설정 데이터
+
+- Caddy 데이터는 도커 볼륨(`caddy_data`, `caddy_config`)에 유지됨
+