diff --git a/server/env.example b/server/env.example
new file mode 100644
index 00000000..13157721
--- /dev/null
+++ b/server/env.example
@@ -0,0 +1,72 @@
+#
+# This file serve as an example of possible configuration
+# All the settings are described here: reflector/settings.py
+#
+
+## =======================================================
+## Sentry
+## =======================================================
+
+## Sentry DSN configuration
+#SENTRY_DSN=
+
+## =======================================================
+## Transcription backend
+##
+## Check reflector/processors/audio_transcript_* for the
+## full list of available transcription backend
+## =======================================================
+
+## Using local whisper (default)
+#TRANSCRIPT_BACKEND=whisper
+#WHISPER_MODEL_SIZE=tiny
+
+## Using serverless modal.com (require reflector-gpu-modal deployed)
+#TRANSCRIPT_BACKEND=modal
+#TRANSCRIPT_URL=https://xxxxx--reflector-transcriber-web.modal.run
+#TRANSCRIPT_MODAL_API_KEY=xxxxx
+
+## Using serverless banana.dev (require reflector-gpu-banana deployed)
+## XXX this service is buggy do not use at the moment
+## XXX it also require the audio to be saved to S3
+#TRANSCRIPT_BACKEND=banana
+#TRANSCRIPT_URL=https://reflector-gpu-banana-xxxxx.run.banana.dev
+#TRANSCRIPT_BANANA_API_KEY=xxx
+#TRANSCRIPT_BANANA_MODEL_KEY=xxx
+#TRANSCRIPT_STORAGE_AWS_ACCESS_KEY_ID=xxx
+#TRANSCRIPT_STORAGE_AWS_SECRET_ACCESS_KEY=xxx
+#TRANSCRIPT_STORAGE_AWS_BUCKET_NAME="reflector-bucket/chunks"
+
+## =======================================================
+## LLM backend
+##
+## Check reflector/llm/* for the full list of available
+## llm backend implementation
+## =======================================================
+
+## Use oobagooda (default)
+#LLM_BACKEND=oobagooda
+#LLM_URL=http://xxx:7860/api/generate/v1
+
+## Using serverless modal.com (require reflector-gpu-modal deployed)
+#LLM_BACKEND=modal
+#LLM_URL=https://xxxxxx--reflector-llm-web.modal.run
+#LLM_MODAL_API_KEY=xxx
+
+## Using serverless banana.dev (require reflector-gpu-banana deployed)
+## XXX this service is buggy do not use at the moment
+#LLM_BACKEND=banana
+#LLM_URL=https://reflector-gpu-banana-xxxxx.run.banana.dev
+#LLM_BANANA_API_KEY=xxxxx
+#LLM_BANANA_MODEL_KEY=xxxxx
+
+## Using OpenAI
+#LLM_BACKEND=openai
+#LLM_OPENAI_KEY=xxx
+#LLM_OPENAI_MODEL=gpt-3.5-turbo
+
+## Using GPT4ALL
+#LLM_BACKEND=openai
+#LLM_URL=http://localhost:4891/v1/completions
+#LLM_OPENAI_MODEL="GPT4All Falcon"
+
diff --git a/server/reflector/settings.py b/server/reflector/settings.py
index 5d049191..6b84131c 100644
--- a/server/reflector/settings.py
+++ b/server/reflector/settings.py
@@ -27,7 +27,7 @@ class Settings(BaseSettings):
     AUDIO_BUFFER_SIZE: int = 256 * 960
 
     # Audio Transcription
-    # backends: whisper, banana
+    # backends: whisper, banana, modal
     TRANSCRIPT_BACKEND: str = "whisper"
     TRANSCRIPT_URL: str | None = None
     TRANSCRIPT_TIMEOUT: int = 90
@@ -49,6 +49,7 @@ class Settings(BaseSettings):
     TRANSCRIPT_STORAGE_AWS_SECRET_ACCESS_KEY: str | None = None
 
     # LLM
+    # available backend: openai, banana, modal, oobagooda
     LLM_BACKEND: str = "oobagooda"
 
     # LLM common configuration