feat: add Docker support and update backend dependencies

- Introduced `requirements.docker.txt` for Docker-specific dependencies.
- Updated `requirements.txt` to include `psycopg[binary]` and `python-multipart`.
- Enhanced test suite in `test_main_endpoints.py` to cover document CRUD operations.
- Modified `docker-compose.yml` to include PostgreSQL and frontend services.
- Added Nginx configuration for reverse proxying API requests.
- Refactored file handling in Vue components to support new document storage backend.
- Created new utility functions in `docsApi.js` for document management.
- Updated configuration to support new API endpoints for document operations.
- Adjusted Vite configuration to proxy API requests to the local backend.

backend/.env.example

@@ -1,16 +1,15 @@
-# LLM provider (OpenAI-compatible endpoint)
-LLM_BASE_URL=http://localhost:11434/v1/
-# For Ollama, API key is not required but a placeholder is needed.
-LLM_API_KEY=ollama
+# OpenAI-compatible endpoint
+LLM_BASE_URL=https://api.openai.com/v1/
+LLM_API_KEY=sk-your-key
 
-# Default model for inline completions (e.g., gpt-oss:20b, qwen3:8b)
-LLM_MODEL=gpt-oss:20b
+# Default model for inline completions
+LLM_MODEL=gpt-4.1-mini
 
 # Pro-tier model (defaults to LLM_MODEL if unset)
-PRO_LLM_MODEL=gpt-oss:20b
+PRO_LLM_MODEL=gpt-4.1
 
-# Vision model for OCR (e.g., qwen3-vl:30b, llava)
-VLM_MODEL=qwen3-vl:30b
+# Vision model for OCR
+VLM_MODEL=gpt-4.1-mini
 
 # API key for the FastAPI app (change in production)
 API_KEY=your-secret-key-here
@@ -18,6 +17,8 @@ API_KEY=your-secret-key-here
 # Job backend
 JOB_BACKEND=redis
 REDIS_URL=redis://localhost:6379/0
+DATABASE_URL=postgresql://llm_in_text:llm_in_text_change_me@localhost:5432/llm_in_text
+DOCS_BACKEND=postgres
 JOB_REDIS_PREFIX=llmtext:jobs
 JOB_CONSUMER_NAME=
 JOB_SHARED_TEMP_DIR=/tmp/llm-in-text-jobs