add project

Dockerfile

@@ -0,0 +1,35 @@
+# ---- Build stage ----
+FROM node:22-slim AS builder
+
+WORKDIR /app
+
+# Native module build tools (better-sqlite3, bcrypt)
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    python3 make g++ \
+    && rm -rf /var/lib/apt/lists/*
+
+COPY package*.json ./
+RUN npm ci
+
+COPY . .
+RUN npm run build && npm prune --production
+
+# ---- Production stage ----
+FROM node:22-slim AS runner
+
+WORKDIR /app
+
+COPY --from=builder /app/build ./build
+COPY --from=builder /app/node_modules ./node_modules
+COPY package.json ./
+
+# Directories that will be bind-mounted at runtime
+RUN mkdir -p /data /games/public /games/private
+
+EXPOSE 3000
+
+ENV NODE_ENV=production \
+    GAMES_PATH=/games \
+    DB_PATH=/data/game-grid.db
+
+CMD ["node", "build/index.js"]