Polylingua Translation service (opea-project#2298)

Signed-off-by: dittops <dittops@gmail.com>
Co-authored-by: Claude <noreply@anthropic.com>
Signed-off-by: cogniware-devops <ambarish.desai@cogniware.ai>

Author: 2 people

PolyLingua/.env.example

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+# ================================================
+# PolyLingua Environment Configuration
+# ================================================
+# Copy this file to .env and update with your values
+# Run: cp .env.example .env
+# Then edit .env with your actual configuration
+
+# ================================================
+# HuggingFace Configuration
+# ================================================
+# Required: Get your token from https://huggingface.co/settings/tokens
+# This is needed to download models from HuggingFace Hub
+HF_TOKEN=hf_xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
+
+# ================================================
+# Model Configuration
+# ================================================
+# LLM model ID from HuggingFace
+# Default model supports multilingual translation
+LLM_MODEL_ID=swiss-ai/Apertus-8B-Instruct-2509
+
+# Directory to cache downloaded models
+# Models can be large (several GB), ensure sufficient disk space
+MODEL_CACHE=./data
+
+# ================================================
+# Host Configuration
+# ================================================
+# Your server/machine IP address
+# Use 'localhost' for local development
+# Use actual IP (e.g., 192.168.1.100) for network access
+host_ip=localhost
+
+# ================================================
+# Backend Service Configuration
+# ================================================
+# vLLM (vLLM Inference) endpoint
+# This is the LLM inference service endpoint
+VLLM_ENDPOINT=http://localhost:8028
+
+# LLM microservice configuration
+# Host and port for the LLM microservice
+LLM_SERVICE_HOST_IP=localhost
+LLM_SERVICE_PORT=9000
+
+# PolyLingua megaservice configuration
+# Main translation service host and port
+MEGA_SERVICE_HOST_IP=localhost
+MEGA_SERVICE_PORT=8888
+
+# Backend service details
+BACKEND_SERVICE_NAME=polylingua
+BACKEND_SERVICE_IP=localhost
+BACKEND_SERVICE_PORT=8888
+
+# ================================================
+# Frontend Configuration
+# ================================================
+# Backend endpoint URL for the frontend
+# This is what the UI uses to connect to the backend
+BACKEND_SERVICE_ENDPOINT=http://localhost:8888
+
+# Frontend service configuration
+# Next.js development server configuration
+FRONTEND_SERVICE_IP=localhost
+FRONTEND_SERVICE_PORT=5173
+
+# ================================================
+# Docker Configuration
+# ================================================
+# Docker registry for pulling images
+# Use 'opea' for official OPEA images
+REGISTRY=opea
+
+# Docker image tag
+# Use 'latest' for most recent version
+TAG=latest
+
+# ================================================
+# Nginx Configuration
+# ================================================
+# Nginx reverse proxy port
+# Default HTTP port
+NGINX_PORT=80
+
+# ================================================
+# Proxy Settings (Optional)
+# ================================================
+# Configure if behind a corporate proxy
+# Leave empty if not using a proxy
+
+# HTTP proxy URL (e.g., http://proxy.company.com:8080)
+http_proxy=
+
+# HTTPS proxy URL (e.g., http://proxy.company.com:8080)
+https_proxy=
+
+# Comma-separated list of hosts to bypass proxy
+no_proxy=localhost,127.0.0.1
+
+# ================================================
+# Quick Start Guide
+# ================================================
+#
+# 1. Copy this file:
+#    cp .env.example .env
+#
+# 2. Edit .env and set your HF_TOKEN
+#
+# 3. Update host_ip if deploying to network
+#    (use actual IP instead of localhost)
+#
+# 4. Start services:
+#    docker compose up -d
+#
+# 5. Access UI at:
+#    http://localhost:5173 (or http://<host_ip>:5173)
+#
+# ================================================

PolyLingua/.gitignore

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+# Environment variables
+.env
+.env.local
+
+# Python
+__pycache__/
+*.py[cod]
+*$py.class
+*.so
+.Python
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+# Python library directories (but allow ui/lib)
+/lib/
+/lib64/
+!ui/lib/
+parts/
+sdist/
+var/
+wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+
+# Virtual environments
+venv/
+env/
+ENV/
+.venv
+
+# Model cache
+data/
+models/
+*.bin
+*.safetensors
+
+# IDEs
+.vscode/
+.idea/
+*.swp
+*.swo
+*~
+
+# OS
+.DS_Store
+Thumbs.db
+
+# Logs
+*.log
+logs/
+
+# Temporary files
+tmp/
+temp/
+*.tmp
+
+# Node modules (for UI)
+ui/node_modules/
+ui/.next/
+ui/out/
+ui/build/
+
+# Docker
+docker-compose.override.yml

PolyLingua/Dockerfile

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+# Copyright (C) 2024 Intel Corporation
+# SPDX-License-Identifier: Apache-2.0
+
+FROM python:3.11-slim
+
+WORKDIR /home/user
+
+# Install system dependencies
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    curl \
+    && rm -rf /var/lib/apt/lists/*
+
+# Copy requirements and install Python dependencies
+COPY requirements.txt .
+RUN pip install --no-cache-dir --upgrade pip && \
+    pip install --no-cache-dir -r requirements.txt
+
+# Copy polylingua service
+COPY polylingua.py .
+
+# Expose service port
+EXPOSE 8888
+
+# Run the polylingua service
+ENTRYPOINT ["python", "polylingua.py"]