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Details

Docs:
- .env.example: documents all environment variables with defaults
- CONTRIBUTING.md: dev setup, running tests, code style, design constraints
- MODDING.md: full schema reference for cards, packs, objectives, and SBCs
- .gitea/workflows/ci.yml: Gitea Actions CI (fmt check, clippy, build, test)

Middleware (#50-52):
- Body limit (256 KB) via DefaultBodyLimit on all routes (#50)
- Concurrency limit (256 concurrent requests) via semaphore middleware;
  returns 429 Too Many Requests when at capacity (#51)
- Correlation IDs via tower_http request_id layers; sets x-request-id
  UUID on every request and propagates it to the response headers (#52)

Layer order (outermost → innermost):
  CorsLayer → DefaultBodyLimit → concurrency limit → SetRequestId
  → TraceLayer → PropagateRequestId → routes

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

2026-06-25 15:53:28 -07:00

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Contributing to OpenFUT Core

Prerequisites

Rust (stable, 1.80+) — install via rustup
SQLite 3 — usually pre-installed on Linux/macOS

Recommended tools:

rustup component add clippy rustfmt

Setup

git clone <repo-url>
cd openfut-core
cp .env.example .env
cargo build

Running locally

cargo run

The server starts at http://127.0.0.1:8080 by default. Logs appear in the terminal. On first run, the SQLite database is created and all migrations are applied automatically.

Running tests

cargo test

Tests spin up a full in-process server against an in-memory SQLite database — no setup required and nothing is written to disk.

Code style

All PRs must pass before merge:

cargo fmt --check    # formatting
cargo clippy -- -D warnings   # lints
cargo test           # full test suite

Auto-fix formatting with cargo fmt.

Adding card / pack / objective data

See MODDING.md for the data file schemas. No Rust code changes are needed to add new cards, packs, objectives, or SBC definitions.

Project layout

src/
  app.rs          router + middleware setup
  config.rs       Config struct (reads from env)
  db.rs           SQLite pool init + migrations
  error.rs        AppError enum
  middleware.rs   concurrency limit, request ID
  models/         Serde structs for DB rows and API payloads
  routes/         Axum handler functions (one file per domain)
  services/       Business logic (no HTTP types here)
  seed/           One-time startup seeds
  modding/        JSON data loader utilities
data/
  cards/          CardDefinition JSON arrays
  packs/          PackDefinition JSON arrays
  objectives/     ObjectiveDefinition JSON arrays
  sbcs/           SbcDefinition JSON arrays
migrations/       SQLite migration SQL files

Branching & pull requests

Create a branch from main: git checkout -b feat/my-feature
Keep PRs focused — one feature or fix per PR
PR description should explain why, not just what

Design constraints

No online multiplayer. This is an offline local backend only.
No copyrighted assets. All card data in data/ must be original.
No real EA services. Do not hardcode or reverse-engineer EA endpoints.
Game-independent core. openfut-core must stay game-agnostic; FIFA-specific logic belongs in openfut-bridge.

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