Feature/notification system

.dockerignore

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+# ============================================
+# .dockerignore for OverLearn
+# Exclude files from Docker build context
+# ============================================
+
+# Dependencies
+node_modules
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+pnpm-debug.log*
+
+# Testing
+coverage
+*.lcov
+.nyc_output
+
+# Next.js
+.next/
+out/
+build/
+dist/
+
+# Production
+*.log
+
+# Environment variables
+.env
+.env*.local
+.env.development
+.env.test
+.env.production
+
+# Editor directories and files
+.vscode/*
+!.vscode/extensions.json
+.idea
+*.swp
+*.swo
+*~
+.DS_Store
+*.sublime-project
+*.sublime-workspace
+
+# OS files
+Thumbs.db
+
+# Git
+.git
+.gitignore
+.gitattributes
+.github
+
+# Docker
+Dockerfile*
+docker-compose*.yml
+.dockerignore
+
+# Documentation
+README.md
+CHANGELOG.md
+LICENSE
+docs/
+*.md
+
+# Prisma (exclude local database, but keep schema and migrations)
+prisma/*.db
+prisma/*.db-journal
+prisma/data/
+
+# TypeScript
+*.tsbuildinfo
+
+# Debugging
+.vscode/launch.json
+.vscode/settings.json
+
+# Turbopack cache
+.turbo/
+
+# System files
+**/.DS_Store
+**/Thumbs.db
+
+# Temporary files
+tmp/
+temp/
+*.tmp
+
+# Scripts (optional, depending on if you need them in container)
+scripts/install.sh
+scripts/setup-systemd.sh
+
+# Tauri (desktop app files not needed in Docker)
+src-tauri/
+target/
+
+# Systemd
+systemd/
+
+# CI/CD
+.gitlab-ci.yml
+.travis.yml
+azure-pipelines.yml

Dockerfile

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+# ============================================
+# Multi-stage Dockerfile for OverLearn
+# Optimized for Next.js 15 with Turbopack
+# ============================================
+
+# ============================================
+# Stage 1: Dependencies
+# ============================================
+FROM node:20-alpine AS deps
+
+WORKDIR /app
+
+# Install dependencies needed for native modules
+RUN apk add --no-cache libc6-compat openssl
+
+# Copy package files
+COPY package*.json ./
+COPY prisma ./prisma/
+
+# Install dependencies
+RUN npm ci --only=production && \
+    npm cache clean --force
+
+# Generate Prisma Client
+RUN npx prisma generate
+
+# ============================================
+# Stage 2: Builder
+# ============================================
+FROM node:20-alpine AS builder
+
+WORKDIR /app
+
+# Install build dependencies
+RUN apk add --no-cache libc6-compat openssl
+
+# Copy package files and install ALL dependencies (including dev)
+COPY package*.json ./
+RUN npm ci
+
+# Copy prisma schema and generate client
+COPY prisma ./prisma/
+RUN npx prisma generate
+
+# Copy source code
+COPY . .
+
+# Build Next.js application
+# Disable telemetry during build
+ENV NEXT_TELEMETRY_DISABLED=1
+ENV NODE_ENV=production
+
+RUN npm run build
+
+# ============================================
+# Stage 3: Runner (Production)
+# ============================================
+FROM node:20-alpine AS runner
+
+WORKDIR /app
+
+# Install runtime dependencies
+RUN apk add --no-cache \
+    libc6-compat \
+    openssl \
+    ca-certificates
+
+# Create non-root user
+RUN addgroup --system --gid 1001 nodejs && \
+    adduser --system --uid 1001 nextjs
+
+# Copy necessary files from builder
+COPY --from=builder /app/next.config.ts ./
+COPY --from=builder /app/public ./public
+COPY --from=builder /app/package*.json ./
+
+# Copy .next folder (includes build output and static files)
+COPY --from=builder --chown=nextjs:nodejs /app/.next ./.next
+
+# Copy node_modules from deps stage (production only)
+COPY --from=deps --chown=nextjs:nodejs /app/node_modules ./node_modules
+
+# Copy Prisma files
+COPY --from=builder --chown=nextjs:nodejs /app/prisma ./prisma
+
+# Create directory for SQLite database with correct permissions
+RUN mkdir -p /app/prisma/data && \
+    chown -R nextjs:nodejs /app/prisma
+
+# Switch to non-root user
+USER nextjs
+
+# Expose port
+EXPOSE 3000
+
+# Set environment variables
+ENV NODE_ENV=production
+ENV NEXT_TELEMETRY_DISABLED=1
+ENV PORT=3000
+ENV HOSTNAME="0.0.0.0"
+
+# Health check
+HEALTHCHECK --interval=30s --timeout=10s --start-period=40s --retries=3 \
+    CMD node -e "require('http').get('http://localhost:3000/api/health', (r) => {process.exit(r.statusCode === 200 ? 0 : 1)})"
+
+# Start the application
+CMD ["npm", "start"]