RustyCMS: file-based headless CMS — API, Admin UI (content, types, assets), Docker/Caddy, image transform; only demo type and demo content in version control

Made-with: Cursor
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Peter Meier
2026-03-12 14:21:49 +01:00
parent aad93d145f
commit 7795a238e1
278 changed files with 15551 additions and 4072 deletions

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README.md
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# RustyCMS
A file-based headless CMS written in Rust. Content types are defined as JSON5 schemas, content is stored as JSON5 files, and served via a REST API.
A file-based headless CMS written in Rust. Content types are defined as JSON5 schemas, content is stored as JSON5 files, and served via a REST API. **Under development.**
## Features
@@ -13,8 +13,10 @@ A file-based headless CMS written in Rust. Content types are defined as JSON5 sc
- **References & _resolve**: Reference fields as `{ _type, _slug }`; embed with `?_resolve=all`
- **Reusable partials**: `reusable` schemas and `useFields` for shared field groups (e.g. layout)
- **Optional API auth**: Protect write access (POST/PUT/DELETE) with an API key via env
- **Admin UI**: Next.js web interface for browsing collections, creating and editing content; manage types (list, create, edit, delete) with schema files and JSON Schema export updated on save
- **Swagger UI**: Interactive API docs at `/swagger-ui`
- **Image transformation**: `GET /api/transform` load image from external URL, optional resize (w, h), aspect-ratio crop (e.g. 1:1), fit (fill/contain/cover), output formats jpeg, png, webp, avif; with response cache
- **Asset management**: Upload, serve, and delete image files (jpg, png, webp, avif, gif, svg) stored in `content/assets/` via `GET/POST/DELETE /api/assets`; served with immutable cache headers; combinable with `/api/transform` for on-the-fly resizing
- **Image transformation**: `GET /api/transform` load image from external URL or local asset, optional resize (w, h), aspect-ratio crop (e.g. 1:1), fit (fill/contain/cover), output formats jpeg, png, webp, avif; with response cache
- **JSON5**: Human-friendly format with comments, trailing commas, unquoted keys
- **Editor validation**: Export JSON Schema from your types so VS Code/Cursor validate `content/*.json5` while you edit
- **CORS**: Open by default for frontend development
@@ -22,6 +24,7 @@ A file-based headless CMS written in Rust. Content types are defined as JSON5 sc
## Requirements
- [Rust](https://www.rust-lang.org/tools/install) (1.70+)
- [Node.js](https://nodejs.org/) (for Admin UI, optional)
## Quick start
@@ -32,6 +35,39 @@ cargo run
The server starts at `http://127.0.0.1:3000`.
**Start API + Admin UI and open browser:**
```bash
./dev.sh
```
Runs both the API and Admin UI, waits until ready, and opens `http://localhost:2001` in the default browser. Press Ctrl+C to stop both.
### Admin UI (optional)
A Next.js web interface for managing content. Start the API server first, then:
```bash
cd admin-ui
npm install
npm run dev
```
The Admin UI runs at `http://localhost:2001` (different port to avoid conflict with the API).
**Version control:** Only a single demo type (`types/demo.json5`) and one demo content entry (`content/de/demo/demo-welcome.json5`) are tracked. All other files under `types/` and `content/` are ignored via `.gitignore`, so you can add your own types and content without committing them.
**Admin UI:** Dashboard → **Types** lists all content types; you can create a new type, edit (fields, description, category, strict, …) or delete a type. Edits are written to `types/*.json5` and the corresponding `schemas/*.schema.json` is updated. Content is managed under **Collections** (list, new entry, edit, with reference fields and Markdown editor). Schema and data preview are available on the relevant pages.
**Environment variables** (in `admin-ui/.env.local` or as env vars):
| Variable | Default | Description |
|----------|---------|-------------|
| `NEXT_PUBLIC_RUSTYCMS_API_URL` | `http://127.0.0.1:3000` | RustyCMS API base URL |
| `NEXT_PUBLIC_RUSTYCMS_API_KEY` | | API key for write operations (same as `RUSTYCMS_API_KEY`) |
If the API requires auth, set `NEXT_PUBLIC_RUSTYCMS_API_KEY` so the Admin UI can create, update and delete entries.
### CLI options
| Option | Default | Description |
@@ -74,6 +110,11 @@ RUSTYCMS_API_KEY=your-secret-token cargo run
```
rustycms/
├── admin-ui/ # Next.js Admin UI (optional)
│ ├── src/
│ │ ├── app/ # Dashboard, content list/edit pages
│ │ └── components/ # ContentForm, MarkdownEditor, ReferenceArrayField, Sidebar
│ └── package.json
├── Cargo.toml
├── src/
│ ├── main.rs # Entry point, CLI, server
@@ -105,6 +146,8 @@ rustycms/
│ ├── blog_post.json5
│ ├── page.json5 # extends blog_post
│ └── product.json5 # strict mode, constraints, unique, pattern
├── scripts/
│ └── contentful-to-rustycms.mjs # Migration: Contentful-Export → content/de (JSON5)
├── schemas/ # Generated JSON Schema (optional, for editor)
└── content/ # Content files (layer 2)
├── blog_post/
@@ -134,6 +177,9 @@ Add a `.json5` file under `types/`:
// types/blog_post.json5
{
name: "blog_post",
description: "Simple blog post with title, body, tags and publish status",
tags: ["content", "blog"],
category: "content",
fields: {
title: {
type: "string",
@@ -157,15 +203,18 @@ Add a `.json5` file under `types/`:
### Schema options
| Option | Type | Description |
|-----------|-----------------|----------------------------------------------------------|
| `name` | string | **Required.** Content type name |
| `extends` | string / array | Parent type(s) to inherit from |
| `strict` | boolean | Reject unknown fields |
| `pick` | string[] | Only inherit these fields from parent (`Pick<T>`) |
| `omit` | string[] | Exclude these fields from parent (`Omit<T>`) |
| `partial` | boolean | Make all inherited fields optional (`Partial<T>`) |
| `reusable`| boolean | Schema only as partial (useFields), no collection/API |
| Option | Type | Description |
|--------------|-----------------|----------------------------------------------------------|
| `name` | string | **Required.** Content type name |
| `description`| string | Human-readable description (Admin UI, Swagger) |
| `tags` | string[] | Tags for grouping/filtering (e.g. `["content","blog"]`) |
| `category` | string | Category for Admin UI (e.g. `"content"`, `"components"`) |
| `extends` | string / array | Parent type(s) to inherit from |
| `strict` | boolean | Reject unknown fields |
| `pick` | string[] | Only inherit these fields from parent (`Pick<T>`) |
| `omit` | string[] | Exclude these fields from parent (`Omit<T>`) |
| `partial` | boolean | Make all inherited fields optional (`Partial<T>`) |
| `reusable` | boolean | Schema only as partial (useFields), no collection/API |
### Field options
@@ -179,7 +228,7 @@ Add a `.json5` file under `types/`:
| `readonly` | boolean | Field cannot be changed after creation |
| `nullable` | boolean | Field allows explicit `null` |
| `enum` | array | Allowed values |
| `description` | string | Description (shown in Swagger UI) |
| `description` | string | Field description (Swagger UI, Admin UI) |
| `minLength` | number | Minimum string length |
| `maxLength` | number | Maximum string length |
| `pattern` | string | Regex pattern for strings |
@@ -198,9 +247,12 @@ Add a `.json5` file under `types/`:
|--------------|-----------|--------------------------------|
| `string` | string | Plain text |
| `richtext` | string | Markdown / rich text |
| `markdown` | string | Markdown content |
| `html` | string | Raw HTML (safely embedded) |
| `number` | number | Integer or float |
| `integer` | number | Integer only |
| `boolean` | boolean | true / false |
| `datetime` | string | ISO 8601 date/time |
| `datetime` | string | ISO 8601 date/time |
| `array` | array | List (optional `items`) |
| `object` | object | Nested object |
| `reference` | string | Reference to another type |
@@ -212,6 +264,9 @@ Add a `.json5` file under `types/`:
```json5
{
name: "page",
description: "Page with layout, SEO and content rows",
tags: ["content", "page"],
category: "content",
extends: "blog_post",
fields: {
nav_order: { type: "number", min: 0 },
@@ -225,6 +280,9 @@ Add a `.json5` file under `types/`:
```json5
{
name: "featured_article",
description: "Featured article with expiration",
tags: ["content", "blog"],
category: "content",
extends: ["blog_post", "seo_meta"],
fields: {
featured_until: { type: "datetime" },
@@ -278,6 +336,9 @@ In strict mode, unknown fields are rejected:
```json5
{
name: "product",
description: "Product with SKU, price and optional fields",
tags: ["content", "ecommerce"],
category: "content",
strict: true,
fields: {
title: { type: "string", required: true },
@@ -289,9 +350,20 @@ In strict mode, unknown fields are rejected:
## Creating content
### Contentful-Migration
Ein Contentful-Export (z.B. `contentful-export.json`) kann nach `content/de/` überführt werden:
```bash
node scripts/contentful-to-rustycms.mjs [Pfad-zum-Export]
# Default: ../www.windwiderstand.de/contentful-export.json
```
Es werden u.a. Pages, Posts, Markdown, Link-Listen, Fullwidth-Banner, Tags, Navigation, Footer, Page-Config und Campaigns geschrieben. Nur unterstützte Row-Komponenten (markdown, link_list, fullwidth_banner, post_overview, searchable_text) landen in `row1Content`.
### Via files
Add a `.json5` file under `content/<type>/`. The filename becomes the slug:
Add a `.json5` file under `content/<type>/` or, for localized content, `content/<locale>/<type>/` (e.g. `content/de/page/`). The filename (without extension) becomes the slug.
```json5
// content/product/laptop-pro.json5
@@ -321,7 +393,7 @@ curl -X POST http://localhost:3000/api/content/product \
`_slug` sets the filename. Fields with `default` or `auto` are set automatically.
**Note:** If `RUSTYCMS_API_KEY` is set, POST/PUT/DELETE must send the key see section “Optional API auth”.
**Note:** If `RUSTYCMS_API_KEY` is set, POST/PUT/DELETE (including schema and content) must send the key see section “Optional API auth”.
## REST API
@@ -331,6 +403,9 @@ curl -X POST http://localhost:3000/api/content/product \
|----------|-----------------------------|--------------------------------|
| `GET` | `/api/collections` | List all content types |
| `GET` | `/api/collections/:type` | Get schema for a type |
| `POST` | `/api/schemas` | Create new type (Admin UI: New type) |
| `PUT` | `/api/schemas/:type` | Update type definition (Admin UI: Edit type) |
| `DELETE` | `/api/schemas/:type` | Delete type definition (Admin UI: Delete type) |
| `GET` | `/api/content/:type` | List all entries |
| `GET` | `/api/content/:type/:slug` | Get single entry |
| `POST` | `/api/content/:type` | Create entry |
@@ -339,9 +414,79 @@ curl -X POST http://localhost:3000/api/content/product \
| `GET` | `/api` or `/api/` | API index (living docs: links to Swagger UI + endpoint overview) |
| `GET` | `/swagger-ui` | Swagger UI |
| `GET` | `/api-docs/openapi.json` | OpenAPI 3.0 spec |
| `GET` | `/api/assets` | List all uploaded image assets |
| `POST` | `/api/assets` | Upload an image asset (multipart/form-data) |
| `GET` | `/api/assets/:filename` | Serve an image asset |
| `DELETE` | `/api/assets/:filename` | Delete an image asset |
| `GET` | `/api/transform` | Transform image from external URL (resize, crop, format) |
| `GET` | `/health` | Health check (e.g. for K8s/Docker), always 200 + `{"status":"ok"}` |
### Asset management
Images and other media files can be stored in `content/assets/` and served directly via the API. This is useful for logos, hero images, icons, or any static media that belongs to your content.
**Allowed file types:** `jpg`, `jpeg`, `png`, `webp`, `avif`, `gif`, `svg`
Files are stored at `{content-dir}/assets/` (default: `./content/assets/`). The directory is created automatically on first use.
#### List assets
```bash
GET /api/assets
```
```json
{
"assets": [
{ "filename": "hero.jpg", "url": "/api/assets/hero.jpg", "mime_type": "image/jpeg", "size": 102400 }
],
"total": 1
}
```
#### Upload an asset
```bash
curl -X POST http://localhost:3000/api/assets \
-H "X-API-Key: your-key" \
-F "file=@/path/to/hero.jpg"
```
Response (201):
```json
{ "filename": "hero.jpg", "url": "/api/assets/hero.jpg", "mime_type": "image/jpeg", "size": 102400 }
```
- Auth required (POST/DELETE) when `RUSTYCMS_API_KEY` is set
- Filenames are lowercased and sanitized (only letters, digits, `-`, `_`, `.`)
- Uploading a file that already exists returns `409 Conflict`
#### Serve an asset
```bash
GET /api/assets/hero.jpg
```
Returns the raw image with correct `Content-Type`. Response header:
```
Cache-Control: public, max-age=31536000, immutable
```
Browsers and CDNs cache the file for 1 year. Combine with `/api/transform` for on-the-fly resizing of uploaded assets:
```bash
GET /api/transform?url=http://localhost:3000/api/assets/hero.jpg&w=400&h=300&format=webp
```
#### Delete an asset
```bash
curl -X DELETE http://localhost:3000/api/assets/hero.jpg \
-H "X-API-Key: your-key"
```
Returns `204 No Content`.
### Image transformation (external URLs)
`GET /api/transform` loads an image from an external URL and returns it transformed. Parameters:
@@ -353,8 +498,8 @@ curl -X POST http://localhost:3000/api/content/product \
| `height` | `h` | Target height in pixels. |
| `aspect_ratio`| `ar` | Aspect ratio before resize, e.g. `1:1` or `16:9` (center crop). |
| `fit` | | `fill` (exact w×h), `contain` (keep aspect ratio), `cover` (fill with crop). When **w and h** are set: default `fill`; otherwise default `contain`. |
| `format` | | Output: `jpeg`, `png`, `webp` or `avif`. Default: `jpeg`. (WebP = lossless; AVIF at default quality.) |
| `quality` | | JPEG quality 1100. Default: 85. |
| `format` | | Output: `jpeg`, `png`, `webp` or `avif`. Default: `jpeg`. WebP is lossy when `quality` is used. |
| `quality` | | Quality 1100 for JPEG and WebP (lossy). Default: 85. |
Example: 50×50 square from any image:
`GET /api/transform?url=https://example.com/image.jpg&w=50&h=50&ar=1:1`