snake-game-cicd/Dockerfile

53 lines
1.2 KiB
Docker

# Multi-stage build for optimized production image
FROM node:18-alpine AS builder
WORKDIR /app
# Copy package files
COPY package*.json ./
# Install dependencies
RUN npm ci --only=production && npm cache clean --force
# Copy source code
COPY . .
# Create non-root user
RUN addgroup -g 1001 -S nodejs && \
adduser -S gameuser -u 1001
# Production stage
FROM node:18-alpine AS production
WORKDIR /app
# Install security updates
RUN apk --no-cache upgrade
# Copy non-root user from builder
RUN addgroup -g 1001 -S nodejs && \
adduser -S gameuser -u 1001
# Copy built application
COPY --from=builder --chown=gameuser:nodejs /app/node_modules ./node_modules
COPY --from=builder --chown=gameuser:nodejs /app/package*.json ./
COPY --from=builder --chown=gameuser:nodejs /app/server.js ./
COPY --from=builder --chown=gameuser:nodejs /app/src ./src
# Health check
HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
CMD node -e "require('http').get('http://localhost:3003/health', (res) => { process.exit(res.statusCode === 200 ? 0 : 1) })"
# Switch to non-root user
USER gameuser
# Expose port
EXPOSE 3003
# Set environment
ENV NODE_ENV=production
ENV PORT=3003
# Start application
CMD ["node", "server.js"]