Dockerfile

# Build stage
FROM node:20-alpine AS builder

WORKDIR /app

# Copy package files
COPY package*.json ./

# Install dependencies
RUN npm ci --omit=dev

# Production stage
FROM node:20-alpine AS production

WORKDIR /app

# Create non-root user for security
RUN addgroup -g 1001 -S nodejs && \
    adduser -S nodejs -u 1001

# Copy node_modules from builder stage
COPY --from=builder /app/node_modules ./node_modules

# Copy application source
COPY package*.json ./
COPY src ./src

# Change ownership to non-root user
RUN chown -R nodejs:nodejs /app

# Switch to non-root user
USER nodejs

# Expose port (adjust based on your bot configuration)
EXPOSE 3978

# Default command - can be overridden with docker run or fly.toml
CMD ["node", "src/bot.js"]