Initial commit: Inventory Barcode System

Dockerfile

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+# Use official Node.js runtime as base image
+FROM node:18-alpine
+
+# Set working directory in container
+WORKDIR /app
+
+# Install system dependencies for canvas and sqlite3
+RUN apk add --no-cache \
+    cairo-dev \
+    jpeg-dev \
+    pango-dev \
+    musl-dev \
+    gcc \
+    g++ \
+    make \
+    python3 \
+    sqlite
+
+# Copy package files
+COPY package*.json ./
+
+# Install Node.js dependencies
+RUN npm ci --only=production && npm cache clean --force
+
+# Copy application code
+COPY . .
+
+# Create necessary directories
+RUN mkdir -p data/exports data/backups data/temp logs
+
+# Set proper permissions
+RUN chown -R node:node /app
+USER node
+
+# 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/health', (res) => { process.exit(res.statusCode === 200 ? 0 : 1) })"
+
+# Start the application
+CMD ["npm", "start"]