Seris

A calm and precise Discord bot written in Rust, built with serenity.

Seris speaks softly, but executes with certainty. Designed to be minimal, reliable, and efficient — nothing more than what is needed.

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🌙 Philosophy

Silence over noise. Clarity over excess.

Seris is not flashy. She focuses on correctness, stability, and clean execution. Every feature exists for a reason.

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✨ Features

• Slash commands (Discord Interactions)
• Clean permission boundaries
• Predictable behavior
• Minimal Docker footprint
• Fast startup, low memory usage

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🧭 Commands

All commands are slash commands (/).

1. Ping /ping — Confirms responsiveness.

2. Clear Messages /clear — Removes messages (restricted permissions).

3. NASA – Astronomy Picture of the Day /nasa apod — Displays NASA’s daily image.

4. Random Anime /anime random — Suggests an anime title.

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⚙️ Requirements

• Rust 1.83+
• Discord Bot Token
• Optional: Docker

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🔐 Environment Variables

Create a .env file in the project root:

DISCORD_TOKEN=""
RUST_LOG="info"
DATABASE_URL="sqlite::memory:seris"
NASA_API_KEY=""

• DISCORD_TOKEN: Discord bot token
• RUST_LOG: Log level
• DATABASE_URL: Database connection
• NASA_API_KEY: Required for NASA commands

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▶️ Running Locally

cargo run --release

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🐳 Docker (Minimal Image)

Seris is built to run in ultra-minimal containers.

Build

docker build -t seris .

Run

docker run --env-file .env seris

• Image size: ~4–6 MB
• Static binary
• No shell, no package manager
• Runs as non-root

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🧼 Production Notes

• Uses rustls (no OpenSSL)
• Compatible with scratch or distroless
• Reduced attack surface
• Deterministic behavior

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📜 License

MIT

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Seris does not rush. She executes.