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Flask Port and Host Configuration Methods

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Using app.run(): Host and port can be changed in app.run() method
Default port is 5000, can be changed to 7000
__name__ variable ensures only main file runs directly
Command Line Method: Flask run command has higher precedence than app.run()
-h and -p options specify host and port
Command line syntax can be verbose
Environment Variables: FLASK_RUN_PORT and FLASK_RUN_HOST can be set globally
Variables can be defined in .flaskenv file
Python-dotenv module needed for environment variable management
Port 80 Configuration: Host can be set to 0.0.0.0 and port 80
Can be started using command line or app.py
Production-ready server setup recommended for production deployments