Dockerfile

# Use specific Node.js version
FROM node:18.19.0-alpine AS builder

# Set working directory
WORKDIR /app

# Copy package files
COPY package*.json ./

# Install dependencies with legacy peer deps flag
RUN npm ci --legacy-peer-deps

# Copy source code
COPY . .

# Build the application
RUN npm run build

# Production stage
FROM node:18.19.0-alpine AS production

# Set working directory
WORKDIR /app

# Copy package files
COPY package*.json ./

# Install only production dependencies
RUN npm ci --only=production --legacy-peer-deps && npm cache clean --force

# Copy built application from builder stage
COPY --from=builder /app/dist ./dist

# Copy server file
COPY server.js ./

# Create non-root user
RUN addgroup -g 1001 -S appgroup
RUN adduser -S appuser -u 1001 -G appgroup

# Change ownership of app directory
RUN chown -R appuser:appgroup /app

# Switch to non-root user
USER appuser

# Expose port 8080
EXPOSE 8080

# Start the application
CMD ["node", "server.js"]