basic structure setup

.env

@@ -0,0 +1,47 @@
+
+################################
+# General Settings
+################################
+LOGGING_LEVEL=DEBUG
+
+
+################################
+# Object Storage Settings
+################################
+
+# NOTE! MinIO requires an key at least consisting of 8 chars for the secret key
+S3_ENDPOINT=http://localhost:9000
+S3_ACCESS_KEY=admin
+S3_SECRET_KEY=secret-admin-key
+BUCKET_NAME=rag-bucket
+
+
+################################
+# Vector DB Settings
+################################
+
+VECTOR_STORE_ENDPOINT=localhost
+VECTOR_STORE_PORT=9200
+
+OPENSEARCH_USE_SSL=True
+
+
+################################
+# LLM Settings
+################################
+
+# Which LLm to use
+LLM_OPTION=ollamallm
+
+# LLM_API_ENDPOINT=http://<ip-of-ollama-instance>:11434
+LLM_API_ENDPOINT=http://127.0.0.1:11434
+
+# if required for you llm setup (for self hosted ollama not needed)
+LLM_API_KEY=placeholder
+
+# valid Language options - "en" "de" "multi"
+LLM_LANGUAGE=de
+
+# LLM Model to be used - "mistral", "phi3", "llama3", etc.
+LLM_MODEL_NAME=mistral
+

.gitignore

@@ -0,0 +1 @@
+.vscode

README.md

@@ -1,3 +1,23 @@
-# rag-chat
+# RAG-Chat
 
-Chat with your Documents/Knowledgebase
+Chat with your Documents/Knowledgebase
+
+
+## Usage
+
+Clone the repo, enter it and run:
+
+```
+podman-compose -f docker-compose.yaml up
+```
+
+## Structure
+
+### Object Storage
+* Minio (http://localhost:9001/)
+
+### Vector Storage
+* OpenSearch (Dashboard under: http://localhost:5601/)
+
+### RAG-Backend
+* API-Docs http://localhost:8000/docs

docker-compose.yaml

@@ -0,0 +1,67 @@
+version: '3.4'
+services:
+  opensearch-node:
+    image: docker.io/opensearchproject/opensearch:2.11.1
+    container_name: opensearch-node
+    environment:
+      - discovery.type=single-node
+      - bootstrap.memory_lock=true
+      - "OPENSEARCH_JAVA_OPTS=-Xms512m -Xmx2g"
+    ports:
+      - 9200:9200
+      - 9300:9300
+    networks:
+      - rag
+    volumes:
+      - opensearch-data:/usr/share/opensearch/data
+
+  opensearch-dashboards:
+    image: docker.io/opensearchproject/opensearch-dashboards:2.11.1
+    container_name: opensearch-dashboards
+    ports:
+      - 5601:5601
+    expose:
+      - "5601"
+    environment:
+      OPENSEARCH_HOSTS: 'https://opensearch-node:9200'
+    networks:
+      - rag
+
+  minio:
+    container_name: minio
+    image: docker.io/minio/minio
+    ports:
+      - "9000:9000"
+      - "9001:9001"
+    volumes:
+      - minio_storage:/data
+      - ./init-scripts:/docker-entrypoint-initdb.d
+    environment:
+      MINIO_ROOT_USER: ${S3_ACCESS_KEY}
+      MINIO_ROOT_PASSWORD: ${S3_SECRET_KEY}
+    command: server --console-address ":9001" /data
+    networks:
+      - rag
+
+  backend:
+    container_name: rag-chat-backend
+    build: 
+      context: ./rag-chat-backend
+      dockerfile: Dockerfile
+    image: rag-chat-backend:0.1
+    ports:
+      - "8000:8000"
+    environment:
+      - VECTOR_STORE_ENDPOINT=opensearch-node
+      - S3_ENDPOINT=http://minio:9000
+    env_file:
+      - .env
+    networks:
+      - rag
+networks:
+  rag: {}
+
+
+volumes:
+  opensearch-data:
+  minio_storage: {}

rag-chat-backend/Dockerfile

@@ -0,0 +1,15 @@
+FROM python:3.10-slim
+
+WORKDIR /app
+
+COPY ./requirements.txt /app
+
+RUN apt-get update && apt-get install -y build-essential
+RUN pip install --upgrade pip
+RUN pip install -r requirements.txt
+
+EXPOSE 8000
+
+COPY . /app
+
+CMD ["python", "src/app.py"]

rag-chat-backend/requirements.txt

@@ -0,0 +1,11 @@
+uvicorn==0.22.0
+fastapi==0.109.1
+
+minio==7.1.17
+
+opensearch-py==2.3.2
+opensearch-logger==1.3.0
+
+python-dotenv==1.0.0
+python-multipart==0.0.7
+PyPDF2==3.0.1

rag-chat-backend/src/app.py

@@ -0,0 +1,30 @@
+"""FastAPI Backend"""
+
+import uvicorn
+import os
+
+from fastapi import FastAPI
+from fastapi.middleware.cors import CORSMiddleware
+from dotenv import load_dotenv
+
+from core.config import settings
+
+load_dotenv()
+app = FastAPI()
+
+app.add_middleware(
+    CORSMiddleware,
+    allow_origins=["*"],
+    allow_credentials=True,
+    allow_methods=["*"],
+    allow_headers=["*"],
+)
+
+print('OPENSEARCH_USE_SSL')
+print(os.getenv('OPENSEARCH_USE_SSL'))
+print('settings.API_V1_STR')
+print(settings.API_V1_STR)
+
+
+if __name__ == "__main__":
+    uvicorn.run("app:app", host="0.0.0.0", port=8000, reload=True)

rag-chat-backend/src/core/config.py

@@ -0,0 +1,7 @@
+# config.py
+
+class Settings:
+    API_V1_STR: str = "/api"
+
+
+settings = Settings()