34 lines
871 B
Docker
34 lines
871 B
Docker
# Use Node.js 18 LTS
|
|
FROM node:18-alpine
|
|
|
|
# Set working directory
|
|
WORKDIR /app
|
|
|
|
# Copy package files first (for better layer caching)
|
|
COPY package*.json ./
|
|
|
|
# Install dependencies and wget
|
|
RUN npm install --omit=dev && apk add --no-cache wget
|
|
|
|
# Create non-root user and a writable data directory before copying app code
|
|
RUN addgroup -g 1001 -S nodejs && \
|
|
adduser -S nodejs -u 1001 && \
|
|
mkdir -p /app/data && \
|
|
chown nodejs:nodejs /app/data
|
|
|
|
# Copy application code (exclude node_modules via .dockerignore)
|
|
COPY --chown=nodejs:nodejs . .
|
|
|
|
# Switch to non-root user
|
|
USER nodejs
|
|
|
|
# Expose port
|
|
EXPOSE 3000
|
|
|
|
# Health check
|
|
HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
|
|
CMD node -e "require('http').get('http://localhost:3000', (res) => { process.exit(res.statusCode === 200 ? 0 : 1) })"
|
|
|
|
# Start the application
|
|
CMD ["npm", "start"]
|