📝 docs: add env example for docker deploy [skip ci]

Author: arvinxx

.dockerignore

@@ -8,3 +8,4 @@ scripts
 docs
 .github
 *.md
+.env.example

.env.example

@@ -0,0 +1,42 @@
+# add a access code to lock your lobe-chat application, it should be a six length string
+ACCESS_CODE=lobe66
+
+# only choose one from OpenAI Service and Azure OpenAI Service
+
+########################################
+############ OpenAI Service ############
+########################################
+
+# you openai api key
+OPENAI_API_KEY=sk-xxxxxxxxx
+
+# use a proxy to connect to the OpenAI API
+# OPENAI_PROXY_URL=https://api.openai.com/v1
+
+########################################
+######### Azure OpenAI Service #########
+########################################
+# you can learn azure OpenAI Service on https://learn.microsoft.com/en-us/azure/ai-services/openai/overview
+
+# use Azure OpenAI Service by uncomment the following line
+# USE_AZURE_OPENAI=1
+
+# The API key you applied for on the Azure OpenAI account page, which can be found in the "Keys and Endpoints" section.
+# AZURE_API_KEY=xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
+
+# The endpoint you applied for on the Azure OpenAI account page, which can be found in the "Keys and Endpoints" section.
+# OPENAI_PROXY_URL=https://docs-test-001.openai.azure.com
+
+# Azure's API version, follows the YYYY-MM-DD format
+# AZURE_API_VERSION=2023-08-01-preview
+
+########################################
+############ Market Service ############
+########################################
+
+# The LobeChat plugins market index url
+# PLUGINS_INDEX_URL=https://chat-plugins.lobehub.com
+
+# The LobeChat agents market index url
+# AGENTS_INDEX_URL=https://chat-agents.lobehub.com
+