Dockerfile

FROM node:22-slim

WORKDIR /app

# Install build tools for better-sqlite3 native module
RUN apt-get update && apt-get install -y python3 make g++ && rm -rf /var/lib/apt/lists/*

# Copy package files and install all deps (dev needed for tsc build)
COPY package*.json ./
RUN npm ci

# Copy source and build
COPY tsconfig.json ./
COPY src/ ./src/
RUN npm run build

# Remove dev dependencies after build to slim down image
RUN npm prune --omit=dev

# Expose port (default 3000, overridable via PORT env)
ENV PORT=8080
ENV KANSEI_HOST=0.0.0.0
EXPOSE 8080

# Health check
HEALTHCHECK --interval=30s --timeout=5s --start-period=10s \
  CMD node -e "fetch('http://localhost:8080/health').then(r=>r.ok?process.exit(0):process.exit(1)).catch(()=>process.exit(1))"

CMD ["node", "dist/http-server.js"]