initial commit

Dockerfile

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+FROM node:20-alpine
+
+WORKDIR /app
+
+# Copy package files and install dependencies
+COPY package.json package-lock.json* ./
+RUN npm install --omit=dev
+
+# Copy application files
+COPY server.js ./
+COPY public/ ./public/
+
+# Create uploads directory
+RUN mkdir -p uploads
+
+# Expose port
+EXPOSE 3000
+
+# Health check
+HEALTHCHECK --interval=30s --timeout=5s --start-period=10s \
+  CMD wget --no-verbose --tries=1 --spider http://localhost:3000/ || exit 1
+
+# Run as non-root user
+RUN addgroup -g 1001 -S appgroup && \
+    adduser -S appuser -u 1001 -G appgroup && \
+    chown -R appuser:appgroup /app
+
+USER appuser
+
+CMD ["node", "server.js"]