Recommend dotenv for managing credentials

examples/chat/.gitignore

@@ -0,0 +1 @@
+.env

examples/chat/enterprise/aws-bedrock-anthropic/app.py

@@ -8,7 +8,10 @@
 
 from shiny.express import ui
 
-# Provide your AWS info here (or set the environment variable)
+# Although you can set the AWS credentials here, it's recommended to put them in an .env
+# file and load them with `dotenv` so your keys aren't exposed with your code.
+# from dotenv import load_dotenv
+# load_dotenv()
 llm = AnthropicBedrock(
     # aws_secret_key="..."
     # aws_access_key="..."

examples/chat/enterprise/azure-openai/app.py

@@ -9,7 +9,10 @@
 
 from shiny.express import ui
 
-# # Provide your Azure info here (or set the environment variable)
+# Although you can set API keys here, it's recommended to put it in an .env file
+# and load it with `dotenv` so your keys aren't exposed with your code.
+# from dotenv import load_dotenv
+# load_dotenv()
 llm = AzureOpenAI(
     api_key=os.getenv("AZURE_OPENAI_API_KEY"),
     api_version="2024-02-01",

examples/chat/hello-providers/anthropic/app.py

@@ -9,7 +9,10 @@
 
 from shiny.express import ui
 
-# Provide your API key here (or set the environment variable)
+# Although you can set the API key here, it's recommended to put it in an .env file
+# and load it with `dotenv` so your key isn't exposed with your code.
+# from dotenv import load_dotenv
+# load_dotenv()
 llm = AsyncAnthropic(api_key=os.environ.get("ANTHROPIC_API_KEY"))
 
 # Set some Shiny page options

examples/chat/hello-providers/gemini/app.py

@@ -8,9 +8,10 @@
 
 from shiny.express import ui
 
-# Set the environment variable GOOGLE_API_KEY to your Google API key
-# import os
-# os.environ["GOOGLE_API_KEY"] = "your_google_api_key"
+# You'll need to set the GOOGLE_API_KEY environment variable to your Google API key.
+# We recommend putting it in a .env file and loading it with `dotenv`:
+# from dotenv import load_dotenv
+# load_dotenv()
 llm = GenerativeModel()
 
 # Set some Shiny page options

examples/chat/hello-providers/langchain/app.py

@@ -10,7 +10,10 @@
 
 from shiny.express import ui
 
-# Provide your API key here (or set the environment variable)
+# Although you can set the API key here, it's recommended to put it in an .env file
+# and load it with `dotenv` so your key isn't exposed with your code:
+# from dotenv import load_dotenv
+# load_dotenv()
 llm = ChatOpenAI(api_key=os.environ.get("OPENAI_API_KEY"))
 
 # Set some Shiny page options

examples/chat/hello-providers/openai/app.py

@@ -9,7 +9,10 @@
 
 from shiny.express import ui
 
-# Provide your API key here (or set the environment variable)
+# Although you can set the API key here, it's recommended to put it in an .env file
+# and load it with `dotenv` so your key isn't exposed with your code:
+# from dotenv import load_dotenv
+# load_dotenv()
 llm = AsyncOpenAI(api_key=os.environ.get("OPENAI_API_KEY"))
 
 # Set some Shiny page options