Cribbage Counter (Java, Local Storage)

A Java web app for tracking cribbage games locally with score history and exactly 2 players per game. https://cribbagecounter.onrender.com

Features

• No login required
• Local file persistence for games, score events, and player-name wins/losses
• Create new games with exactly 2 players
• Live scoreboard updates by adding score events
• Finish a game and store winner/loser records locally

Tech Stack

• Java 11
• Javalin (web server)
• Maven
• Copilot (code generation)
• Render (deployment)

Setup

1. Copy .env.example to .env.
2. Optionally change DATA_FILE and PORT.

cp .env.example .env

Environment variables:

• DATA_FILE (optional, defaults to data/local-store.ser)
• PORT (optional, defaults to 7070)

Run

mvn test
mvn compile exec:java

Then open: http://localhost:7070

Deploy (Render)

This repo now includes render.yaml and a Dockerfile.

1. Push this repo to GitHub.
2. In Render, create a Blueprint from the repo.
3. Render reads render.yaml and creates:
   • a web service
   • a persistent disk mounted at /var/data
4. Confirm env vars in Render:
   • PORT=10000
   • DATA_FILE=/var/data/local-store.ser

Your game/user stats persist on the disk across deploys and restarts.

Build Artifact

mvn package creates a runnable fat jar at:

• target/cribbage-counter.jar

Persistence

All data is stored on disk in one local file (data/local-store.ser by default):

• games
• score events
• player-name stats (wins/losses)

If you want a fresh start, stop the app and delete the data file.