Fix app_port for Hugging Face Spaces: Change to 7860 and update all related configurations

Dockerfile

@@ -83,15 +83,15 @@ RUN $HOME/app/venv/bin/pip install --no-cache-dir -r $HOME/app/requirements.txt
 # Copy the rest of the application code into the container with proper ownership
 COPY --chown=user . $HOME/app
 
-# Make port 80 available to the world outside this container (required for Hugging Face Spaces)
-EXPOSE 80
+# Make port 7860 available to the world outside this container (required for Hugging Face Spaces)
+EXPOSE 7860
 
 # Define environment variables
 # IMPORTANT: Set a strong FLASK_SECRET_KEY when running the container!
 # Using a placeholder here for demonstration.
 ENV FLASK_APP=app.py
 ENV FLASK_RUN_HOST=0.0.0.0
-ENV FLASK_RUN_PORT=80
+ENV FLASK_RUN_PORT=7860
 ENV FLASK_SECRET_KEY="replace_this_in_docker_run_with_a_real_secret"
 # Add venv's bin to the PATH for subsequent commands (like CMD)
 ENV PATH="$HOME/app/venv/bin:$PATH"
@@ -102,7 +102,7 @@ ENTRYPOINT []
 # Run the application using Gunicorn when the container launches
 # Use the full path to gunicorn within the virtual environment
 # Bind to 0.0.0.0 to accept connections from outside the container
-# Use port 80 (required for Hugging Face Spaces)
+# Use port 7860 (required for Hugging Face Spaces)
 # The number of workers (e.g., --workers 3) can be adjusted based on server resources
 # Use JSON form with the absolute path to gunicorn in the venv to avoid PATH issues
-CMD ["gunicorn", "--workers", "3", "--bind", "0.0.0.0:80", "--timeout", "60", "app:app"]
+CMD ["gunicorn", "--workers", "3", "--bind", "0.0.0.0:7860", "--timeout", "60", "app:app"]

README.md

@@ -4,7 +4,7 @@ emoji: 🔥
 colorFrom: purple
 colorTo: red
 sdk: docker
-app_port: 80
+app_port: 7860
 pinned: false
 license: mit
 short_description: mermaid-rendering docker version
@@ -70,15 +70,15 @@ This is the recommended way to run the application, as it bundles all dependenci
     ```bash
     # Replace 'YOUR_GENERATED_SECRET_KEY' with the key from step 2.
     # -d: Run in detached mode (background)
-    # -p 80:80: Map port 80 on the host to port 80 in the container
+    # -p 7860:7860: Map port 7860 on the host to port 7860 in the container
     # --name mermaid-app: Assign a name to the container for easier management
     # -e FLASK_SECRET_KEY=...: Set the environment variable inside the container
     # mermaid-renderer-app: The name of the image to run
-    docker run -d -p 80:80 --name mermaid-app \
+    docker run -d -p 7860:7860 --name mermaid-app \
       -e FLASK_SECRET_KEY='YOUR_GENERATED_SECRET_KEY' \
       mermaid-renderer-app
     ```
-    *Note:* If port 80 is already in use on your host, choose a different host port (e.g., `-p 8080:80`).
+    *Note:* If port 7860 is already in use on your host, choose a different host port (e.g., `-p 8080:7860`).
 
 5.  **Access the Application:** Open your web browser and navigate to `http://localhost` (or `http://your_server_ip` if deploying remotely). If you used a different host port, include it (e.g., `http://localhost:8080`).
 

app.py

@@ -184,5 +184,5 @@ if __name__ == '__main__':
     # Use 0.0.0.0 to be accessible on the network
     # Set debug=False for production-like testing, or True for development features
     is_debug = os.environ.get('FLASK_DEBUG', 'false').lower() == 'true'
-    # Use port 80 for Hugging Face Spaces compatibility
-    app.run(debug=is_debug, host='0.0.0.0', port=int(os.environ.get('PORT', 80)))
+    # Use port 7860 for Hugging Face Spaces compatibility
+    app.run(debug=is_debug, host='0.0.0.0', port=int(os.environ.get('PORT', 7860)))