Refactor and Merge to GitHub

Author: nicholasjano

.dockerignore

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+# Node modules
+node_modules/
+frontend/website/node_modules/
+frontend/extension/node_modules/
+backend/node_modules/
+backend/website/node_modules/
+backend/extension/node_modules/
+
+# Extension frontend - exclude from Docker builds
+frontend/extension/
+
+# Logs
+logs/
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+lerna-debug.log*
+
+# System files
+.DS_Store
+Thumbs.db
+
+# Git and IDE
+.git/
+.gitignore
+.vscode/
+.idea/
+*.swp
+*.swo
+
+# Environment files
+.env
+.env.*
+!.env.example
+*.env
+!*.env.example
+
+# Build output
+frontend/website/dist/
+frontend/website/build/
+dist/
+build/
+
+# Development
+docker-compose.yml
+Dockerfile.dev
+
+# Documentation
+README.md
+*.md
+
+# Batch scripts (Windows)
+*.bat

.env.example

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+# Application Environment
+NODE_ENV=development
+PORT=10000
+
+# Website Backend
+CHROME_EXTENSION_ORIGIN=chrome-extension://your-extension-id
+
+# Extension Backend
+GEMINI_API_KEY=your-gemini-api-key
+MODEL=gemini-2.5-flash
+INSTRUCTIONS="You are a helpful coding assistant for LeetCode problems."
+
+# Backend Ports (internal to container)
+WEBSITE_PORT=3001
+EXTENSION_PORT=3002
+
+# Redis Configuration (for extension chat sessions)
+REDIS_URL=your-redis-url
+
+# Frontend Environment Variables
+VITE_SITE_URL=https://leetbuddy.app
+VITE_VIDEO_URL=https://example.com/demo-video.mp4
+VITE_CHROME_STORE_URL=https://chromewebstore.google.com/detail/abcd
+
+# Development NGINX Port
+NGINX_PORT=80

.gitignore

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+# Environment files
+.env
+.env.*
+!.env.example
+*.env
+!*.env.example
+
+# Dependencies
+node_modules/
+frontend/website/node_modules/
+frontend/extension/node_modules/
+backend/node_modules/
+backend/website/node_modules/
+backend/extension/node_modules/
+
+# Build outputs
+dist/
+build/
+frontend/website/dist/
+frontend/website/build/
+frontend/extension/dist/
+frontend/extension/build/
+*.tsbuildinfo
+
+# Logs
+logs/
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+lerna-debug.log*
+.pnpm-debug.log*
+
+# OS files
+.DS_Store
+.DS_Store?
+._*
+.Spotlight-V100
+.Trashes
+ehthumbs.db
+Thumbs.db
+
+# IDE files
+.vscode/
+.idea/
+*.swp
+*.swo
+*~
+.project
+.classpath
+.c9/
+*.launch
+.settings/
+*.sublime-workspace
+
+# Testing
+coverage/
+.nyc_output/
+
+# Temporary files
+.temp/
+.tmp/
+.cache/
+
+# Optional npm cache directory
+.npm
+
+# Optional eslint cache
+.eslintcache
+
+# Optional stylelint cache
+.stylelintcache
+
+# Optional REPL history
+.node_repl_history
+
+# Output of 'npm pack'
+*.tgz
+
+# Yarn files
+.yarn-integrity
+.pnp.*
+.yarn/*
+!.yarn/patches
+!.yarn/plugins
+!.yarn/releases
+!.yarn/sdks
+!.yarn/versions
+
+# Lock files (keep only one)
+# Keep package-lock.json, ignore others
+yarn.lock
+pnpm-lock.yaml
+
+# Batch scripts (Windows)
+*.bat

Dockerfile

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+# Stage 1 — Build React app
+FROM node:22-alpine AS builder
+WORKDIR /app
+
+# Copy website frontend package files only
+COPY frontend/website/package*.json ./frontend/website/
+RUN cd frontend/website && npm install
+
+# Copy website frontend source
+COPY frontend/website/ ./frontend/website/
+
+# Build website frontend with environment variables
+ARG VITE_SITE_URL=https://leetbuddy.app
+ARG VITE_VIDEO_URL
+ARG VITE_CHROME_STORE_URL
+ENV VITE_SITE_URL=$VITE_SITE_URL
+ENV VITE_VIDEO_URL=$VITE_VIDEO_URL
+ENV VITE_CHROME_STORE_URL=$VITE_CHROME_STORE_URL
+ENV NODE_ENV=production
+RUN cd frontend/website && npm run build
+
+# Stage 2 — Backend dependencies
+FROM node:22-alpine AS backend-deps
+WORKDIR /app
+
+# Copy backend package files
+COPY backend/package*.json ./backend/
+
+# Install production dependencies
+RUN cd backend && npm install --omit=dev
+
+# Stage 3 — Final image: NGINX + Node
+FROM nginx:stable-alpine
+
+# Install Node.js and dumb-init for proper signal handling
+RUN apk add --no-cache nodejs npm dumb-init
+
+# Create app directory
+WORKDIR /app
+
+# Copy backend source and dependencies
+COPY backend/ ./backend/
+COPY --from=backend-deps /app/backend/node_modules ./backend/node_modules
+
+# Copy built website frontend to nginx directory
+COPY --from=builder /app/frontend/website/dist /usr/share/nginx/html
+
+# Copy NGINX config as template
+COPY nginx/default.conf /etc/nginx/templates/default.conf.template
+
+# Build args for internal ports (with defaults)
+ARG WEBSITE_PORT=3001
+ARG EXTENSION_PORT=3002
+
+# Set environment variables from build args
+ENV WEBSITE_PORT=$WEBSITE_PORT
+ENV EXTENSION_PORT=$EXTENSION_PORT
+ENV NODE_ENV=production
+
+# Create an entrypoint that starts backend then delegates to nginx
+RUN echo '#!/bin/sh' > /entrypoint.sh && \
+    echo 'set -e' >> /entrypoint.sh && \
+    echo '' >> /entrypoint.sh && \
+    echo '# Start backend in background' >> /entrypoint.sh && \
+    echo 'cd /app/backend && node index.js &' >> /entrypoint.sh && \
+    echo 'BACKEND_PID=$!' >> /entrypoint.sh && \
+    echo '' >> /entrypoint.sh && \
+    echo '# Handle shutdown gracefully - forward SIGQUIT to backend' >> /entrypoint.sh && \
+    echo 'trap "kill -QUIT $BACKEND_PID 2>/dev/null || true; wait $BACKEND_PID 2>/dev/null || true; exit" SIGQUIT SIGTERM SIGINT' >> /entrypoint.sh && \
+    echo '' >> /entrypoint.sh && \
+    echo '# Run nginx entrypoint (handles templates + starts nginx)' >> /entrypoint.sh && \
+    echo 'exec /docker-entrypoint.sh "$@"' >> /entrypoint.sh && \
+    chmod +x /entrypoint.sh
+
+# Health check using PORT from environment
+HEALTHCHECK --interval=30s --timeout=10s --start-period=60s --retries=3 \
+  CMD wget -q --spider http://localhost:${PORT:-10000}/health || exit 1
+
+# Use dumb-init with our wrapper entrypoint
+ENTRYPOINT ["dumb-init", "--", "/entrypoint.sh"]
+CMD ["nginx", "-g", "daemon off;"]

Dockerfile.dev

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+FROM node:22-alpine
+
+RUN apk add --no-cache wget
+
+WORKDIR /app
+
+# Install dependencies for website frontend only
+COPY backend/package*.json ./backend/
+COPY frontend/website/package*.json ./frontend/website/
+
+# Install all dependencies (including dev)
+RUN cd backend && npm install
+RUN cd frontend/website && npm install
+
+# Copy source code
+COPY backend/ ./backend/
+COPY frontend/website/ ./frontend/website/
+
+# Build website frontend with environment variables
+ARG VITE_SITE_URL=http://localhost
+ARG VITE_VIDEO_URL
+ARG VITE_CHROME_STORE_URL
+ENV VITE_SITE_URL=$VITE_SITE_URL
+ENV VITE_VIDEO_URL=$VITE_VIDEO_URL
+ENV VITE_CHROME_STORE_URL=$VITE_CHROME_STORE_URL
+RUN cd frontend/website && npm run build
+
+WORKDIR /app/backend
+
+# Build args for ports (with defaults)
+ARG WEBSITE_PORT=3001
+ARG EXTENSION_PORT=3002
+
+# Set environment variables
+ENV WEBSITE_PORT=$WEBSITE_PORT
+ENV EXTENSION_PORT=$EXTENSION_PORT
+ENV NODE_ENV=${NODE_ENV:-development}
+
+# Expose both backend ports
+EXPOSE $WEBSITE_PORT $EXTENSION_PORT
+
+CMD ["node", "index.js"]

LICENSE

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+MIT License
+
+Copyright (c) 2025 Nicholas Jano
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.