Add Docker configuration files for Hugging Face deployment

.dockerignore

@@ -0,0 +1,99 @@
+# Node.js and npm
+node_modules/
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+
+# Python
+__pycache__/
+*.py[cod]
+*$py.class
+*.so
+.Python
+env/
+venv/
+ENV/
+env.bak/
+venv.bak/
+pip-log.txt
+pip-delete-this-directory.txt
+
+# Virtual environments
+.env
+.venv
+
+# IDE and editor files
+.vscode/
+.idea/
+*.swp
+*.swo
+*~
+.DS_Store
+
+# Git
+.git/
+.gitignore
+
+# Docker
+Dockerfile*
+docker-compose*
+.dockerignore
+
+# Documentation and markdown (except README)
+*.md
+!README.md
+
+# Jupyter notebooks
+.ipynb_checkpoints/
+*.ipynb
+
+# Logs
+*.log
+logs/
+
+# Temporary files
+.tmp/
+temp/
+
+# OS generated files
+Thumbs.db
+.DS_Store
+
+# Build artifacts that should be rebuilt
+frontend/build/
+frontend/node_modules/
+
+# Testing
+coverage/
+.nyc_output/
+.coverage
+
+# Local development files
+.pytest_cache/
+.cache/
+
+# Environment variables
+.env
+.env.local
+.env.development.local
+.env.test.local
+.env.production.local
+
+# Backup files
+*.backup
+*.bak
+
+# Distribution / packaging
+.Python
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/

.gitignore

@@ -254,10 +254,6 @@ output/
 results/
 experiments/
 
-# Docker
-.dockerignore
-Dockerfile*
-docker-compose*.yml
 
 # Keep essential config files
 !package.json

Dockerfile

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+# Multi-stage build for RecSys-HP Recommendation System
+# This Dockerfile builds both the React frontend and Python backend into a single container
+
+# Stage 1: Build React Frontend
+FROM node:18-alpine AS frontend-builder
+
+WORKDIR /app/frontend
+
+# Copy frontend package files
+COPY frontend/package*.json ./
+
+# Install npm dependencies
+RUN npm ci --only=production --silent
+
+# Copy frontend source code
+COPY frontend/ ./
+
+# Build React app for production
+RUN npm run build
+
+# Stage 2: Main Python Application
+FROM python:3.10-slim
+
+# Set environment variables
+ENV PYTHONDONTWRITEBYTECODE=1
+ENV PYTHONUNBUFFERED=1
+ENV DEBIAN_FRONTEND=noninteractive
+
+# Install system dependencies
+RUN apt-get update && apt-get install -y \
+    build-essential \
+    curl \
+    && rm -rf /var/lib/apt/lists/*
+
+# Set working directory
+WORKDIR /app
+
+# Copy Python requirements and install dependencies
+COPY requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Copy the entire application
+COPY . .
+
+# Copy built React frontend from previous stage
+COPY --from=frontend-builder /app/frontend/build ./frontend/build
+
+# Create directories for artifacts if they don't exist
+RUN mkdir -p src/artifacts datasets
+
+# Make sure the API directory is accessible
+WORKDIR /app
+
+# Expose port
+EXPOSE 8000
+
+# Health check
+HEALTHCHECK --interval=30s --timeout=30s --start-period=60s --retries=3 \
+    CMD curl -f http://localhost:8000/health || exit 1
+
+# Start the application
+CMD ["python", "-m", "uvicorn", "api.main:app", "--host", "0.0.0.0", "--port", "8000"]

Dockerfile.simple

@@ -0,0 +1,47 @@
+# Simple single-stage build for RecSys-HP (if multi-stage fails)
+FROM python:3.10-slim
+
+# Set environment variables
+ENV PYTHONDONTWRITEBYTECODE=1
+ENV PYTHONUNBUFFERED=1
+ENV DEBIAN_FRONTEND=noninteractive
+
+# Install system dependencies including Node.js
+RUN apt-get update && apt-get install -y \
+    build-essential \
+    curl \
+    ca-certificates \
+    gnupg \
+    && curl -fsSL https://deb.nodesource.com/gpgkey/nodesource-repo.gpg.key | gpg --dearmor -o /etc/apt/keyrings/nodesource.gpg \
+    && echo "deb [signed-by=/etc/apt/keyrings/nodesource.gpg] https://deb.nodesource.com/node_18.x nodistro main" | tee /etc/apt/sources.list.d/nodesource.list \
+    && apt-get update && apt-get install -y nodejs \
+    && rm -rf /var/lib/apt/lists/*
+
+# Set working directory
+WORKDIR /app
+
+# Copy Python requirements and install dependencies
+COPY requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Copy frontend and build it
+COPY frontend/ ./frontend/
+WORKDIR /app/frontend
+RUN npm install && npm run build
+
+# Copy the rest of the application
+WORKDIR /app
+COPY . .
+
+# Create directories for artifacts if they don't exist
+RUN mkdir -p src/artifacts datasets
+
+# Expose port
+EXPOSE 8000
+
+# Health check
+HEALTHCHECK --interval=30s --timeout=30s --start-period=60s --retries=3 \
+    CMD curl -f http://localhost:8000/health || exit 1
+
+# Start the application
+CMD ["python", "-m", "uvicorn", "api.main:app", "--host", "0.0.0.0", "--port", "8000"]

Dockerfile.ubuntu

@@ -0,0 +1,57 @@
+# Ubuntu-based build for RecSys-HP (for network connectivity issues)
+FROM ubuntu:20.04
+
+# Set environment variables
+ENV PYTHONDONTWRITEBYTECODE=1
+ENV PYTHONUNBUFFERED=1
+ENV DEBIAN_FRONTEND=noninteractive
+
+# Install system dependencies
+RUN apt-get update && apt-get install -y \
+    python3 \
+    python3-pip \
+    python3-dev \
+    build-essential \
+    curl \
+    ca-certificates \
+    gnupg \
+    software-properties-common \
+    && rm -rf /var/lib/apt/lists/*
+
+# Install Node.js
+RUN curl -fsSL https://deb.nodesource.com/setup_18.x | bash - \
+    && apt-get install -y nodejs
+
+# Create symlink for python
+RUN ln -s /usr/bin/python3 /usr/bin/python
+
+# Set working directory
+WORKDIR /app
+
+# Copy Python requirements and install dependencies
+COPY requirements.txt .
+RUN python3 -m pip install --upgrade pip
+RUN python3 -m pip install --no-cache-dir -r requirements.txt
+
+# Copy frontend and build it
+COPY frontend/ ./frontend/
+WORKDIR /app/frontend
+RUN npm install
+RUN npm run build
+
+# Copy the rest of the application
+WORKDIR /app
+COPY . .
+
+# Create directories for artifacts if they don't exist
+RUN mkdir -p src/artifacts datasets
+
+# Expose port
+EXPOSE 8000
+
+# Health check
+HEALTHCHECK --interval=30s --timeout=30s --start-period=60s --retries=3 \
+    CMD curl -f http://localhost:8000/health || exit 1
+
+# Start the application
+CMD ["python3", "-m", "uvicorn", "api.main:app", "--host", "0.0.0.0", "--port", "8000"]