Update Dockerfile

Dockerfile

@@ -1,18 +1,26 @@
+# Use the official Open WebUI Docker image
+# This image already contains the application and necessary dependencies.
 FROM ghcr.io/open-webui/open-webui:main
-WORKDIR /app/backend
-RUN mkdir -p /app/backend/open_webui/static
-RUN mkdir -p /app/backend/static
-RUN mkdir -p /app/backend/data
-RUN mkdir -p /app/cache
-RUN mkdir -p /tmp
-RUN apt-get update && apt-get install -y apache2-utils
-RUN chmod -R 777 /app/backend/open_webui/static
-RUN chmod -R 777 /app/backend/static
-RUN chmod -R 777 /app/backend/data
-RUN chmod -R 777 /app/cache
-RUN chmod -R 777 /tmp
-ENV PGSSLCERT=/tmp/postgresql.crt
-ENV TRANSFORMERS_CACHE=/app/cache
+
+# Set necessary environment variables
+# Note: Sensitive variables like API keys, database passwords,
+# WEBUI_AUTH_SECRET, WEBUI_SECRET_KEY should be set as
+# Hugging Face Space Secret Variables, NOT here directly.
+
+# Set timezone
+ENV TZ Asia/Shanghai
+
+# Configure cache directory to a non-persistent location or remove if not needed
+# Or better, rely on default if base image handles it well.
+# Removing manual cache dir creation and chmod.
+
+# Configure data directory to use Hugging Face persistent storage
+# This is crucial for persistence of database, file uploads, etc.
+ENV DATA_FOLDER=/data
+
+# Example of other non-sensitive Open WebUI environment variables
+# These can be set here or in your Space Settings -> Environment Variables
+# Space Settings variables will override these if set in both places.
 ENV SCARF_NO_ANALYTICS=true
 ENV DO_NOT_TRACK=true
 ENV ENABLE_SIGNUP=false
@@ -21,7 +29,18 @@ ENV DEFAULT_MODELS=flash
 ENV WEBUI_NAME=Drfy
 ENV ENABLE_IMAGE_GENERATION=True
 ENV ENABLE_COMMUNITY_SHARING=false
-ENV TZ Asia/Shanghai
-EXPOSE 7860
 
-CMD ["bash", "start.sh"]
+# If you need to set a custom base URL for OpenAI or RAG (e.g., for proxy)
+# ENV OPENAI_API_BASE_URL=https://api.openai.com/v1
+# ENV RAG_OPENAI_API_BASE_URL=https://api.openai.com/v1
+
+# If you are using RAG with OpenAI/compatible embedding engine
+# ENV RAG_EMBEDDING_ENGINE=openai
+# ENV RAG_EMBEDDING_MODEL=text-embedding-3-large
+
+# Open WebUI default port is 8080
+EXPOSE 8080 # Document the port, ensure app_port in README.md matches this
+
+# The official image has a default ENTRYPOINT/CMD to start the application.
+# Do NOT override CMD unless you have a very specific reason and know the base image's startup process.
+# CMD is removed to use the base image's default start command.