Merge pull request docker#61 from zach-blumenfeld/update-env-example

Reorganizing and Updating Comments in env.example for Clarity

env.example

@@ -1,15 +1,43 @@
-#OPENAI_API_KEY=sk-...
-#AWS_ACCESS_KEY_ID=
-#AWS_SECRET_ACCESS_KEY=
-#AWS_DEFAULT_REGION=us-east-1
-#OLLAMA_BASE_URL=http://host.docker.internal:11434
+#*****************************************************************
+# LLM and Embedding Model
+#*****************************************************************
+LLM=llama2 #or any Ollama model tag, gpt-4, gpt-3.5, or claudev2
+EMBEDDING_MODEL=sentence_transformer #or openai, ollama, or aws
+
+#*****************************************************************
+# Neo4j
+#*****************************************************************
 #NEO4J_URI=neo4j://database:7687
 #NEO4J_USERNAME=neo4j
 #NEO4J_PASSWORD=password
-LLM=llama2 #or any Ollama model tag, or gpt-4 or gpt-3.5
-EMBEDDING_MODEL=sentence_transformer #or openai or ollama
 
-LANGCHAIN_ENDPOINT="https://api.smith.langchain.com"
-LANGCHAIN_TRACING_V2=true # false
-LANGCHAIN_PROJECT=#your-project-name
-LANGCHAIN_API_KEY=#your-api-key ls_...
+#*****************************************************************
+# Langchain
+#*****************************************************************
+# Optional for enabling Langchain Smith API
+
+#LANGCHAIN_TRACING_V2=true # false
+#LANGCHAIN_ENDPOINT="https://api.smith.langchain.com"
+#LANGCHAIN_PROJECT=#your-project-name
+#LANGCHAIN_API_KEY=#your-api-key ls_...
+
+#*****************************************************************
+# Ollama
+#*****************************************************************
+#OLLAMA_BASE_URL=http://host.docker.internal:11434
+
+#*****************************************************************
+# OpenAI
+#*****************************************************************
+# Only required when using OpenAI LLM or embedding model
+
+#OPENAI_API_KEY=sk-...
+
+#*****************************************************************
+# AWS
+#*****************************************************************
+# Only required when using AWS Bedrock LLM or embedding model
+
+#AWS_ACCESS_KEY_ID=
+#AWS_SECRET_ACCESS_KEY=
+#AWS_DEFAULT_REGION=us-east-1